diff options
Diffstat (limited to 'fs/xfs/xfs_bmap.c')
-rw-r--r-- | fs/xfs/xfs_bmap.c | 1360 |
1 files changed, 629 insertions, 731 deletions
diff --git a/fs/xfs/xfs_bmap.c b/fs/xfs/xfs_bmap.c index 70625e577c70..d384e489705f 100644 --- a/fs/xfs/xfs_bmap.c +++ b/fs/xfs/xfs_bmap.c | |||
@@ -89,7 +89,7 @@ xfs_bmap_add_attrfork_local( | |||
89 | int *flags); /* inode logging flags */ | 89 | int *flags); /* inode logging flags */ |
90 | 90 | ||
91 | /* | 91 | /* |
92 | * Called by xfs_bmapi to update extent list structure and the btree | 92 | * Called by xfs_bmapi to update file extent records and the btree |
93 | * after allocating space (or doing a delayed allocation). | 93 | * after allocating space (or doing a delayed allocation). |
94 | */ | 94 | */ |
95 | STATIC int /* error */ | 95 | STATIC int /* error */ |
@@ -97,7 +97,7 @@ xfs_bmap_add_extent( | |||
97 | xfs_inode_t *ip, /* incore inode pointer */ | 97 | xfs_inode_t *ip, /* incore inode pointer */ |
98 | xfs_extnum_t idx, /* extent number to update/insert */ | 98 | xfs_extnum_t idx, /* extent number to update/insert */ |
99 | xfs_btree_cur_t **curp, /* if *curp is null, not a btree */ | 99 | xfs_btree_cur_t **curp, /* if *curp is null, not a btree */ |
100 | xfs_bmbt_irec_t *new, /* new data to put in extent list */ | 100 | xfs_bmbt_irec_t *new, /* new data to add to file extents */ |
101 | xfs_fsblock_t *first, /* pointer to firstblock variable */ | 101 | xfs_fsblock_t *first, /* pointer to firstblock variable */ |
102 | xfs_bmap_free_t *flist, /* list of extents to be freed */ | 102 | xfs_bmap_free_t *flist, /* list of extents to be freed */ |
103 | int *logflagsp, /* inode logging flags */ | 103 | int *logflagsp, /* inode logging flags */ |
@@ -113,7 +113,7 @@ xfs_bmap_add_extent_delay_real( | |||
113 | xfs_inode_t *ip, /* incore inode pointer */ | 113 | xfs_inode_t *ip, /* incore inode pointer */ |
114 | xfs_extnum_t idx, /* extent number to update/insert */ | 114 | xfs_extnum_t idx, /* extent number to update/insert */ |
115 | xfs_btree_cur_t **curp, /* if *curp is null, not a btree */ | 115 | xfs_btree_cur_t **curp, /* if *curp is null, not a btree */ |
116 | xfs_bmbt_irec_t *new, /* new data to put in extent list */ | 116 | xfs_bmbt_irec_t *new, /* new data to add to file extents */ |
117 | xfs_filblks_t *dnew, /* new delayed-alloc indirect blocks */ | 117 | xfs_filblks_t *dnew, /* new delayed-alloc indirect blocks */ |
118 | xfs_fsblock_t *first, /* pointer to firstblock variable */ | 118 | xfs_fsblock_t *first, /* pointer to firstblock variable */ |
119 | xfs_bmap_free_t *flist, /* list of extents to be freed */ | 119 | xfs_bmap_free_t *flist, /* list of extents to be freed */ |
@@ -129,7 +129,7 @@ xfs_bmap_add_extent_hole_delay( | |||
129 | xfs_inode_t *ip, /* incore inode pointer */ | 129 | xfs_inode_t *ip, /* incore inode pointer */ |
130 | xfs_extnum_t idx, /* extent number to update/insert */ | 130 | xfs_extnum_t idx, /* extent number to update/insert */ |
131 | xfs_btree_cur_t *cur, /* if null, not a btree */ | 131 | xfs_btree_cur_t *cur, /* if null, not a btree */ |
132 | xfs_bmbt_irec_t *new, /* new data to put in extent list */ | 132 | xfs_bmbt_irec_t *new, /* new data to add to file extents */ |
133 | int *logflagsp,/* inode logging flags */ | 133 | int *logflagsp,/* inode logging flags */ |
134 | int rsvd); /* OK to allocate reserved blocks */ | 134 | int rsvd); /* OK to allocate reserved blocks */ |
135 | 135 | ||
@@ -142,7 +142,7 @@ xfs_bmap_add_extent_hole_real( | |||
142 | xfs_inode_t *ip, /* incore inode pointer */ | 142 | xfs_inode_t *ip, /* incore inode pointer */ |
143 | xfs_extnum_t idx, /* extent number to update/insert */ | 143 | xfs_extnum_t idx, /* extent number to update/insert */ |
144 | xfs_btree_cur_t *cur, /* if null, not a btree */ | 144 | xfs_btree_cur_t *cur, /* if null, not a btree */ |
145 | xfs_bmbt_irec_t *new, /* new data to put in extent list */ | 145 | xfs_bmbt_irec_t *new, /* new data to add to file extents */ |
146 | int *logflagsp, /* inode logging flags */ | 146 | int *logflagsp, /* inode logging flags */ |
147 | int whichfork); /* data or attr fork */ | 147 | int whichfork); /* data or attr fork */ |
148 | 148 | ||
@@ -155,7 +155,7 @@ xfs_bmap_add_extent_unwritten_real( | |||
155 | xfs_inode_t *ip, /* incore inode pointer */ | 155 | xfs_inode_t *ip, /* incore inode pointer */ |
156 | xfs_extnum_t idx, /* extent number to update/insert */ | 156 | xfs_extnum_t idx, /* extent number to update/insert */ |
157 | xfs_btree_cur_t **curp, /* if *curp is null, not a btree */ | 157 | xfs_btree_cur_t **curp, /* if *curp is null, not a btree */ |
158 | xfs_bmbt_irec_t *new, /* new data to put in extent list */ | 158 | xfs_bmbt_irec_t *new, /* new data to add to file extents */ |
159 | int *logflagsp); /* inode logging flags */ | 159 | int *logflagsp); /* inode logging flags */ |
160 | 160 | ||
161 | /* | 161 | /* |
@@ -169,7 +169,7 @@ xfs_bmap_alloc( | |||
169 | /* | 169 | /* |
170 | * Transform a btree format file with only one leaf node, where the | 170 | * Transform a btree format file with only one leaf node, where the |
171 | * extents list will fit in the inode, into an extents format file. | 171 | * extents list will fit in the inode, into an extents format file. |
172 | * Since the extent list is already in-core, all we have to do is | 172 | * Since the file extents are already in-core, all we have to do is |
173 | * give up the space for the btree root and pitch the leaf block. | 173 | * give up the space for the btree root and pitch the leaf block. |
174 | */ | 174 | */ |
175 | STATIC int /* error */ | 175 | STATIC int /* error */ |
@@ -191,7 +191,7 @@ xfs_bmap_check_extents( | |||
191 | #endif | 191 | #endif |
192 | 192 | ||
193 | /* | 193 | /* |
194 | * Called by xfs_bmapi to update extent list structure and the btree | 194 | * Called by xfs_bmapi to update file extent records and the btree |
195 | * after removing space (or undoing a delayed allocation). | 195 | * after removing space (or undoing a delayed allocation). |
196 | */ | 196 | */ |
197 | STATIC int /* error */ | 197 | STATIC int /* error */ |
@@ -201,7 +201,7 @@ xfs_bmap_del_extent( | |||
201 | xfs_extnum_t idx, /* extent number to update/insert */ | 201 | xfs_extnum_t idx, /* extent number to update/insert */ |
202 | xfs_bmap_free_t *flist, /* list of extents to be freed */ | 202 | xfs_bmap_free_t *flist, /* list of extents to be freed */ |
203 | xfs_btree_cur_t *cur, /* if null, not a btree */ | 203 | xfs_btree_cur_t *cur, /* if null, not a btree */ |
204 | xfs_bmbt_irec_t *new, /* new data to put in extent list */ | 204 | xfs_bmbt_irec_t *new, /* new data to add to file extents */ |
205 | int *logflagsp,/* inode logging flags */ | 205 | int *logflagsp,/* inode logging flags */ |
206 | int whichfork, /* data or attr fork */ | 206 | int whichfork, /* data or attr fork */ |
207 | int rsvd); /* OK to allocate reserved blocks */ | 207 | int rsvd); /* OK to allocate reserved blocks */ |
@@ -217,18 +217,6 @@ xfs_bmap_del_free( | |||
217 | xfs_bmap_free_item_t *free); /* list item to be freed */ | 217 | xfs_bmap_free_item_t *free); /* list item to be freed */ |
218 | 218 | ||
219 | /* | 219 | /* |
220 | * Remove count entries from the extents array for inode "ip", starting | ||
221 | * at index "idx". Copies the remaining items down over the deleted ones, | ||
222 | * and gives back the excess memory. | ||
223 | */ | ||
224 | STATIC void | ||
225 | xfs_bmap_delete_exlist( | ||
226 | xfs_inode_t *ip, /* incode inode pointer */ | ||
227 | xfs_extnum_t idx, /* starting delete index */ | ||
228 | xfs_extnum_t count, /* count of items to delete */ | ||
229 | int whichfork); /* data or attr fork */ | ||
230 | |||
231 | /* | ||
232 | * Convert an extents-format file into a btree-format file. | 220 | * Convert an extents-format file into a btree-format file. |
233 | * The new file will have a root block (in the inode) and a single child block. | 221 | * The new file will have a root block (in the inode) and a single child block. |
234 | */ | 222 | */ |
@@ -244,18 +232,6 @@ xfs_bmap_extents_to_btree( | |||
244 | int whichfork); /* data or attr fork */ | 232 | int whichfork); /* data or attr fork */ |
245 | 233 | ||
246 | /* | 234 | /* |
247 | * Insert new item(s) in the extent list for inode "ip". | ||
248 | * Count new items are inserted at offset idx. | ||
249 | */ | ||
250 | STATIC void | ||
251 | xfs_bmap_insert_exlist( | ||
252 | xfs_inode_t *ip, /* incore inode pointer */ | ||
253 | xfs_extnum_t idx, /* starting index of new items */ | ||
254 | xfs_extnum_t count, /* number of inserted items */ | ||
255 | xfs_bmbt_irec_t *new, /* items to insert */ | ||
256 | int whichfork); /* data or attr fork */ | ||
257 | |||
258 | /* | ||
259 | * Convert a local file to an extents file. | 235 | * Convert a local file to an extents file. |
260 | * This code is sort of bogus, since the file data needs to get | 236 | * This code is sort of bogus, since the file data needs to get |
261 | * logged so it won't be lost. The bmap-level manipulations are ok, though. | 237 | * logged so it won't be lost. The bmap-level manipulations are ok, though. |
@@ -316,7 +292,7 @@ xfs_bmap_trace_addentry( | |||
316 | int whichfork); /* data or attr fork */ | 292 | int whichfork); /* data or attr fork */ |
317 | 293 | ||
318 | /* | 294 | /* |
319 | * Add bmap trace entry prior to a call to xfs_bmap_delete_exlist. | 295 | * Add bmap trace entry prior to a call to xfs_iext_remove. |
320 | */ | 296 | */ |
321 | STATIC void | 297 | STATIC void |
322 | xfs_bmap_trace_delete( | 298 | xfs_bmap_trace_delete( |
@@ -328,7 +304,7 @@ xfs_bmap_trace_delete( | |||
328 | int whichfork); /* data or attr fork */ | 304 | int whichfork); /* data or attr fork */ |
329 | 305 | ||
330 | /* | 306 | /* |
331 | * Add bmap trace entry prior to a call to xfs_bmap_insert_exlist, or | 307 | * Add bmap trace entry prior to a call to xfs_iext_insert, or |
332 | * reading in the extents list from the disk (in the btree). | 308 | * reading in the extents list from the disk (in the btree). |
333 | */ | 309 | */ |
334 | STATIC void | 310 | STATIC void |
@@ -343,7 +319,7 @@ xfs_bmap_trace_insert( | |||
343 | int whichfork); /* data or attr fork */ | 319 | int whichfork); /* data or attr fork */ |
344 | 320 | ||
345 | /* | 321 | /* |
346 | * Add bmap trace entry after updating an extent list entry in place. | 322 | * Add bmap trace entry after updating an extent record in place. |
347 | */ | 323 | */ |
348 | STATIC void | 324 | STATIC void |
349 | xfs_bmap_trace_post_update( | 325 | xfs_bmap_trace_post_update( |
@@ -354,7 +330,7 @@ xfs_bmap_trace_post_update( | |||
354 | int whichfork); /* data or attr fork */ | 330 | int whichfork); /* data or attr fork */ |
355 | 331 | ||
356 | /* | 332 | /* |
357 | * Add bmap trace entry prior to updating an extent list entry in place. | 333 | * Add bmap trace entry prior to updating an extent record in place. |
358 | */ | 334 | */ |
359 | STATIC void | 335 | STATIC void |
360 | xfs_bmap_trace_pre_update( | 336 | xfs_bmap_trace_pre_update( |
@@ -413,19 +389,24 @@ STATIC int | |||
413 | xfs_bmap_count_tree( | 389 | xfs_bmap_count_tree( |
414 | xfs_mount_t *mp, | 390 | xfs_mount_t *mp, |
415 | xfs_trans_t *tp, | 391 | xfs_trans_t *tp, |
392 | xfs_ifork_t *ifp, | ||
416 | xfs_fsblock_t blockno, | 393 | xfs_fsblock_t blockno, |
417 | int levelin, | 394 | int levelin, |
418 | int *count); | 395 | int *count); |
419 | 396 | ||
420 | STATIC int | 397 | STATIC int |
421 | xfs_bmap_count_leaves( | 398 | xfs_bmap_count_leaves( |
422 | xfs_bmbt_rec_t *frp, | 399 | xfs_ifork_t *ifp, |
400 | xfs_extnum_t idx, | ||
423 | int numrecs, | 401 | int numrecs, |
424 | int *count); | 402 | int *count); |
425 | 403 | ||
426 | STATIC int | 404 | STATIC int |
427 | xfs_bmap_disk_count_leaves( | 405 | xfs_bmap_disk_count_leaves( |
428 | xfs_bmbt_rec_t *frp, | 406 | xfs_ifork_t *ifp, |
407 | xfs_mount_t *mp, | ||
408 | xfs_extnum_t idx, | ||
409 | xfs_bmbt_block_t *block, | ||
429 | int numrecs, | 410 | int numrecs, |
430 | int *count); | 411 | int *count); |
431 | 412 | ||
@@ -537,7 +518,7 @@ xfs_bmap_add_attrfork_local( | |||
537 | } | 518 | } |
538 | 519 | ||
539 | /* | 520 | /* |
540 | * Called by xfs_bmapi to update extent list structure and the btree | 521 | * Called by xfs_bmapi to update file extent records and the btree |
541 | * after allocating space (or doing a delayed allocation). | 522 | * after allocating space (or doing a delayed allocation). |
542 | */ | 523 | */ |
543 | STATIC int /* error */ | 524 | STATIC int /* error */ |
@@ -545,7 +526,7 @@ xfs_bmap_add_extent( | |||
545 | xfs_inode_t *ip, /* incore inode pointer */ | 526 | xfs_inode_t *ip, /* incore inode pointer */ |
546 | xfs_extnum_t idx, /* extent number to update/insert */ | 527 | xfs_extnum_t idx, /* extent number to update/insert */ |
547 | xfs_btree_cur_t **curp, /* if *curp is null, not a btree */ | 528 | xfs_btree_cur_t **curp, /* if *curp is null, not a btree */ |
548 | xfs_bmbt_irec_t *new, /* new data to put in extent list */ | 529 | xfs_bmbt_irec_t *new, /* new data to add to file extents */ |
549 | xfs_fsblock_t *first, /* pointer to firstblock variable */ | 530 | xfs_fsblock_t *first, /* pointer to firstblock variable */ |
550 | xfs_bmap_free_t *flist, /* list of extents to be freed */ | 531 | xfs_bmap_free_t *flist, /* list of extents to be freed */ |
551 | int *logflagsp, /* inode logging flags */ | 532 | int *logflagsp, /* inode logging flags */ |
@@ -578,7 +559,7 @@ xfs_bmap_add_extent( | |||
578 | if (nextents == 0) { | 559 | if (nextents == 0) { |
579 | xfs_bmap_trace_insert(fname, "insert empty", ip, 0, 1, new, | 560 | xfs_bmap_trace_insert(fname, "insert empty", ip, 0, 1, new, |
580 | NULL, whichfork); | 561 | NULL, whichfork); |
581 | xfs_bmap_insert_exlist(ip, 0, 1, new, whichfork); | 562 | xfs_iext_insert(ifp, 0, 1, new); |
582 | ASSERT(cur == NULL); | 563 | ASSERT(cur == NULL); |
583 | ifp->if_lastex = 0; | 564 | ifp->if_lastex = 0; |
584 | if (!ISNULLSTARTBLOCK(new->br_startblock)) { | 565 | if (!ISNULLSTARTBLOCK(new->br_startblock)) { |
@@ -614,7 +595,7 @@ xfs_bmap_add_extent( | |||
614 | /* | 595 | /* |
615 | * Get the record referred to by idx. | 596 | * Get the record referred to by idx. |
616 | */ | 597 | */ |
617 | xfs_bmbt_get_all(&ifp->if_u1.if_extents[idx], &prev); | 598 | xfs_bmbt_get_all(xfs_iext_get_ext(ifp, idx), &prev); |
618 | /* | 599 | /* |
619 | * If it's a real allocation record, and the new allocation ends | 600 | * If it's a real allocation record, and the new allocation ends |
620 | * after the start of the referred to record, then we're filling | 601 | * after the start of the referred to record, then we're filling |
@@ -714,14 +695,13 @@ xfs_bmap_add_extent_delay_real( | |||
714 | xfs_inode_t *ip, /* incore inode pointer */ | 695 | xfs_inode_t *ip, /* incore inode pointer */ |
715 | xfs_extnum_t idx, /* extent number to update/insert */ | 696 | xfs_extnum_t idx, /* extent number to update/insert */ |
716 | xfs_btree_cur_t **curp, /* if *curp is null, not a btree */ | 697 | xfs_btree_cur_t **curp, /* if *curp is null, not a btree */ |
717 | xfs_bmbt_irec_t *new, /* new data to put in extent list */ | 698 | xfs_bmbt_irec_t *new, /* new data to add to file extents */ |
718 | xfs_filblks_t *dnew, /* new delayed-alloc indirect blocks */ | 699 | xfs_filblks_t *dnew, /* new delayed-alloc indirect blocks */ |
719 | xfs_fsblock_t *first, /* pointer to firstblock variable */ | 700 | xfs_fsblock_t *first, /* pointer to firstblock variable */ |
720 | xfs_bmap_free_t *flist, /* list of extents to be freed */ | 701 | xfs_bmap_free_t *flist, /* list of extents to be freed */ |
721 | int *logflagsp, /* inode logging flags */ | 702 | int *logflagsp, /* inode logging flags */ |
722 | int rsvd) /* OK to use reserved data block allocation */ | 703 | int rsvd) /* OK to use reserved data block allocation */ |
723 | { | 704 | { |
724 | xfs_bmbt_rec_t *base; /* base of extent entry list */ | ||
725 | xfs_btree_cur_t *cur; /* btree cursor */ | 705 | xfs_btree_cur_t *cur; /* btree cursor */ |
726 | int diff; /* temp value */ | 706 | int diff; /* temp value */ |
727 | xfs_bmbt_rec_t *ep; /* extent entry for idx */ | 707 | xfs_bmbt_rec_t *ep; /* extent entry for idx */ |
@@ -730,6 +710,7 @@ xfs_bmap_add_extent_delay_real( | |||
730 | static char fname[] = "xfs_bmap_add_extent_delay_real"; | 710 | static char fname[] = "xfs_bmap_add_extent_delay_real"; |
731 | #endif | 711 | #endif |
732 | int i; /* temp state */ | 712 | int i; /* temp state */ |
713 | xfs_ifork_t *ifp; /* inode fork pointer */ | ||
733 | xfs_fileoff_t new_endoff; /* end offset of new entry */ | 714 | xfs_fileoff_t new_endoff; /* end offset of new entry */ |
734 | xfs_bmbt_irec_t r[3]; /* neighbor extent entries */ | 715 | xfs_bmbt_irec_t r[3]; /* neighbor extent entries */ |
735 | /* left is 0, right is 1, prev is 2 */ | 716 | /* left is 0, right is 1, prev is 2 */ |
@@ -763,8 +744,8 @@ xfs_bmap_add_extent_delay_real( | |||
763 | * Set up a bunch of variables to make the tests simpler. | 744 | * Set up a bunch of variables to make the tests simpler. |
764 | */ | 745 | */ |
765 | cur = *curp; | 746 | cur = *curp; |
766 | base = ip->i_df.if_u1.if_extents; | 747 | ifp = XFS_IFORK_PTR(ip, XFS_DATA_FORK); |
767 | ep = &base[idx]; | 748 | ep = xfs_iext_get_ext(ifp, idx); |
768 | xfs_bmbt_get_all(ep, &PREV); | 749 | xfs_bmbt_get_all(ep, &PREV); |
769 | new_endoff = new->br_startoff + new->br_blockcount; | 750 | new_endoff = new->br_startoff + new->br_blockcount; |
770 | ASSERT(PREV.br_startoff <= new->br_startoff); | 751 | ASSERT(PREV.br_startoff <= new->br_startoff); |
@@ -781,7 +762,7 @@ xfs_bmap_add_extent_delay_real( | |||
781 | * Don't set contiguous if the combined extent would be too large. | 762 | * Don't set contiguous if the combined extent would be too large. |
782 | */ | 763 | */ |
783 | if (STATE_SET_TEST(LEFT_VALID, idx > 0)) { | 764 | if (STATE_SET_TEST(LEFT_VALID, idx > 0)) { |
784 | xfs_bmbt_get_all(ep - 1, &LEFT); | 765 | xfs_bmbt_get_all(xfs_iext_get_ext(ifp, idx - 1), &LEFT); |
785 | STATE_SET(LEFT_DELAY, ISNULLSTARTBLOCK(LEFT.br_startblock)); | 766 | STATE_SET(LEFT_DELAY, ISNULLSTARTBLOCK(LEFT.br_startblock)); |
786 | } | 767 | } |
787 | STATE_SET(LEFT_CONTIG, | 768 | STATE_SET(LEFT_CONTIG, |
@@ -798,7 +779,7 @@ xfs_bmap_add_extent_delay_real( | |||
798 | if (STATE_SET_TEST(RIGHT_VALID, | 779 | if (STATE_SET_TEST(RIGHT_VALID, |
799 | idx < | 780 | idx < |
800 | ip->i_df.if_bytes / (uint)sizeof(xfs_bmbt_rec_t) - 1)) { | 781 | ip->i_df.if_bytes / (uint)sizeof(xfs_bmbt_rec_t) - 1)) { |
801 | xfs_bmbt_get_all(ep + 1, &RIGHT); | 782 | xfs_bmbt_get_all(xfs_iext_get_ext(ifp, idx + 1), &RIGHT); |
802 | STATE_SET(RIGHT_DELAY, ISNULLSTARTBLOCK(RIGHT.br_startblock)); | 783 | STATE_SET(RIGHT_DELAY, ISNULLSTARTBLOCK(RIGHT.br_startblock)); |
803 | } | 784 | } |
804 | STATE_SET(RIGHT_CONTIG, | 785 | STATE_SET(RIGHT_CONTIG, |
@@ -825,14 +806,14 @@ xfs_bmap_add_extent_delay_real( | |||
825 | */ | 806 | */ |
826 | xfs_bmap_trace_pre_update(fname, "LF|RF|LC|RC", ip, idx - 1, | 807 | xfs_bmap_trace_pre_update(fname, "LF|RF|LC|RC", ip, idx - 1, |
827 | XFS_DATA_FORK); | 808 | XFS_DATA_FORK); |
828 | xfs_bmbt_set_blockcount(ep - 1, | 809 | xfs_bmbt_set_blockcount(xfs_iext_get_ext(ifp, idx - 1), |
829 | LEFT.br_blockcount + PREV.br_blockcount + | 810 | LEFT.br_blockcount + PREV.br_blockcount + |
830 | RIGHT.br_blockcount); | 811 | RIGHT.br_blockcount); |
831 | xfs_bmap_trace_post_update(fname, "LF|RF|LC|RC", ip, idx - 1, | 812 | xfs_bmap_trace_post_update(fname, "LF|RF|LC|RC", ip, idx - 1, |
832 | XFS_DATA_FORK); | 813 | XFS_DATA_FORK); |
833 | xfs_bmap_trace_delete(fname, "LF|RF|LC|RC", ip, idx, 2, | 814 | xfs_bmap_trace_delete(fname, "LF|RF|LC|RC", ip, idx, 2, |
834 | XFS_DATA_FORK); | 815 | XFS_DATA_FORK); |
835 | xfs_bmap_delete_exlist(ip, idx, 2, XFS_DATA_FORK); | 816 | xfs_iext_remove(ifp, idx, 2); |
836 | ip->i_df.if_lastex = idx - 1; | 817 | ip->i_df.if_lastex = idx - 1; |
837 | ip->i_d.di_nextents--; | 818 | ip->i_d.di_nextents--; |
838 | if (cur == NULL) | 819 | if (cur == NULL) |
@@ -867,14 +848,14 @@ xfs_bmap_add_extent_delay_real( | |||
867 | */ | 848 | */ |
868 | xfs_bmap_trace_pre_update(fname, "LF|RF|LC", ip, idx - 1, | 849 | xfs_bmap_trace_pre_update(fname, "LF|RF|LC", ip, idx - 1, |
869 | XFS_DATA_FORK); | 850 | XFS_DATA_FORK); |
870 | xfs_bmbt_set_blockcount(ep - 1, | 851 | xfs_bmbt_set_blockcount(xfs_iext_get_ext(ifp, idx - 1), |
871 | LEFT.br_blockcount + PREV.br_blockcount); | 852 | LEFT.br_blockcount + PREV.br_blockcount); |
872 | xfs_bmap_trace_post_update(fname, "LF|RF|LC", ip, idx - 1, | 853 | xfs_bmap_trace_post_update(fname, "LF|RF|LC", ip, idx - 1, |
873 | XFS_DATA_FORK); | 854 | XFS_DATA_FORK); |
874 | ip->i_df.if_lastex = idx - 1; | 855 | ip->i_df.if_lastex = idx - 1; |
875 | xfs_bmap_trace_delete(fname, "LF|RF|LC", ip, idx, 1, | 856 | xfs_bmap_trace_delete(fname, "LF|RF|LC", ip, idx, 1, |
876 | XFS_DATA_FORK); | 857 | XFS_DATA_FORK); |
877 | xfs_bmap_delete_exlist(ip, idx, 1, XFS_DATA_FORK); | 858 | xfs_iext_remove(ifp, idx, 1); |
878 | if (cur == NULL) | 859 | if (cur == NULL) |
879 | rval = XFS_ILOG_DEXT; | 860 | rval = XFS_ILOG_DEXT; |
880 | else { | 861 | else { |
@@ -908,7 +889,7 @@ xfs_bmap_add_extent_delay_real( | |||
908 | ip->i_df.if_lastex = idx; | 889 | ip->i_df.if_lastex = idx; |
909 | xfs_bmap_trace_delete(fname, "LF|RF|RC", ip, idx + 1, 1, | 890 | xfs_bmap_trace_delete(fname, "LF|RF|RC", ip, idx + 1, 1, |
910 | XFS_DATA_FORK); | 891 | XFS_DATA_FORK); |
911 | xfs_bmap_delete_exlist(ip, idx + 1, 1, XFS_DATA_FORK); | 892 | xfs_iext_remove(ifp, idx + 1, 1); |
912 | if (cur == NULL) | 893 | if (cur == NULL) |
913 | rval = XFS_ILOG_DEXT; | 894 | rval = XFS_ILOG_DEXT; |
914 | else { | 895 | else { |
@@ -964,7 +945,7 @@ xfs_bmap_add_extent_delay_real( | |||
964 | */ | 945 | */ |
965 | xfs_bmap_trace_pre_update(fname, "LF|LC", ip, idx - 1, | 946 | xfs_bmap_trace_pre_update(fname, "LF|LC", ip, idx - 1, |
966 | XFS_DATA_FORK); | 947 | XFS_DATA_FORK); |
967 | xfs_bmbt_set_blockcount(ep - 1, | 948 | xfs_bmbt_set_blockcount(xfs_iext_get_ext(ifp, idx - 1), |
968 | LEFT.br_blockcount + new->br_blockcount); | 949 | LEFT.br_blockcount + new->br_blockcount); |
969 | xfs_bmbt_set_startoff(ep, | 950 | xfs_bmbt_set_startoff(ep, |
970 | PREV.br_startoff + new->br_blockcount); | 951 | PREV.br_startoff + new->br_blockcount); |
@@ -1010,7 +991,7 @@ xfs_bmap_add_extent_delay_real( | |||
1010 | xfs_bmbt_set_blockcount(ep, temp); | 991 | xfs_bmbt_set_blockcount(ep, temp); |
1011 | xfs_bmap_trace_insert(fname, "LF", ip, idx, 1, new, NULL, | 992 | xfs_bmap_trace_insert(fname, "LF", ip, idx, 1, new, NULL, |
1012 | XFS_DATA_FORK); | 993 | XFS_DATA_FORK); |
1013 | xfs_bmap_insert_exlist(ip, idx, 1, new, XFS_DATA_FORK); | 994 | xfs_iext_insert(ifp, idx, 1, new); |
1014 | ip->i_df.if_lastex = idx; | 995 | ip->i_df.if_lastex = idx; |
1015 | ip->i_d.di_nextents++; | 996 | ip->i_d.di_nextents++; |
1016 | if (cur == NULL) | 997 | if (cur == NULL) |
@@ -1039,8 +1020,7 @@ xfs_bmap_add_extent_delay_real( | |||
1039 | temp = XFS_FILBLKS_MIN(xfs_bmap_worst_indlen(ip, temp), | 1020 | temp = XFS_FILBLKS_MIN(xfs_bmap_worst_indlen(ip, temp), |
1040 | STARTBLOCKVAL(PREV.br_startblock) - | 1021 | STARTBLOCKVAL(PREV.br_startblock) - |
1041 | (cur ? cur->bc_private.b.allocated : 0)); | 1022 | (cur ? cur->bc_private.b.allocated : 0)); |
1042 | base = ip->i_df.if_u1.if_extents; | 1023 | ep = xfs_iext_get_ext(ifp, idx + 1); |
1043 | ep = &base[idx + 1]; | ||
1044 | xfs_bmbt_set_startblock(ep, NULLSTARTBLOCK((int)temp)); | 1024 | xfs_bmbt_set_startblock(ep, NULLSTARTBLOCK((int)temp)); |
1045 | xfs_bmap_trace_post_update(fname, "LF", ip, idx + 1, | 1025 | xfs_bmap_trace_post_update(fname, "LF", ip, idx + 1, |
1046 | XFS_DATA_FORK); | 1026 | XFS_DATA_FORK); |
@@ -1058,7 +1038,8 @@ xfs_bmap_add_extent_delay_real( | |||
1058 | xfs_bmap_trace_pre_update(fname, "RF|RC", ip, idx + 1, | 1038 | xfs_bmap_trace_pre_update(fname, "RF|RC", ip, idx + 1, |
1059 | XFS_DATA_FORK); | 1039 | XFS_DATA_FORK); |
1060 | xfs_bmbt_set_blockcount(ep, temp); | 1040 | xfs_bmbt_set_blockcount(ep, temp); |
1061 | xfs_bmbt_set_allf(ep + 1, new->br_startoff, new->br_startblock, | 1041 | xfs_bmbt_set_allf(xfs_iext_get_ext(ifp, idx + 1), |
1042 | new->br_startoff, new->br_startblock, | ||
1062 | new->br_blockcount + RIGHT.br_blockcount, | 1043 | new->br_blockcount + RIGHT.br_blockcount, |
1063 | RIGHT.br_state); | 1044 | RIGHT.br_state); |
1064 | xfs_bmap_trace_post_update(fname, "RF|RC", ip, idx + 1, | 1045 | xfs_bmap_trace_post_update(fname, "RF|RC", ip, idx + 1, |
@@ -1098,7 +1079,7 @@ xfs_bmap_add_extent_delay_real( | |||
1098 | xfs_bmbt_set_blockcount(ep, temp); | 1079 | xfs_bmbt_set_blockcount(ep, temp); |
1099 | xfs_bmap_trace_insert(fname, "RF", ip, idx + 1, 1, | 1080 | xfs_bmap_trace_insert(fname, "RF", ip, idx + 1, 1, |
1100 | new, NULL, XFS_DATA_FORK); | 1081 | new, NULL, XFS_DATA_FORK); |
1101 | xfs_bmap_insert_exlist(ip, idx + 1, 1, new, XFS_DATA_FORK); | 1082 | xfs_iext_insert(ifp, idx + 1, 1, new); |
1102 | ip->i_df.if_lastex = idx + 1; | 1083 | ip->i_df.if_lastex = idx + 1; |
1103 | ip->i_d.di_nextents++; | 1084 | ip->i_d.di_nextents++; |
1104 | if (cur == NULL) | 1085 | if (cur == NULL) |
@@ -1127,8 +1108,7 @@ xfs_bmap_add_extent_delay_real( | |||
1127 | temp = XFS_FILBLKS_MIN(xfs_bmap_worst_indlen(ip, temp), | 1108 | temp = XFS_FILBLKS_MIN(xfs_bmap_worst_indlen(ip, temp), |
1128 | STARTBLOCKVAL(PREV.br_startblock) - | 1109 | STARTBLOCKVAL(PREV.br_startblock) - |
1129 | (cur ? cur->bc_private.b.allocated : 0)); | 1110 | (cur ? cur->bc_private.b.allocated : 0)); |
1130 | base = ip->i_df.if_u1.if_extents; | 1111 | ep = xfs_iext_get_ext(ifp, idx); |
1131 | ep = &base[idx]; | ||
1132 | xfs_bmbt_set_startblock(ep, NULLSTARTBLOCK((int)temp)); | 1112 | xfs_bmbt_set_startblock(ep, NULLSTARTBLOCK((int)temp)); |
1133 | xfs_bmap_trace_post_update(fname, "RF", ip, idx, XFS_DATA_FORK); | 1113 | xfs_bmap_trace_post_update(fname, "RF", ip, idx, XFS_DATA_FORK); |
1134 | *dnew = temp; | 1114 | *dnew = temp; |
@@ -1149,7 +1129,7 @@ xfs_bmap_add_extent_delay_real( | |||
1149 | r[1].br_blockcount = temp2; | 1129 | r[1].br_blockcount = temp2; |
1150 | xfs_bmap_trace_insert(fname, "0", ip, idx + 1, 2, &r[0], &r[1], | 1130 | xfs_bmap_trace_insert(fname, "0", ip, idx + 1, 2, &r[0], &r[1], |
1151 | XFS_DATA_FORK); | 1131 | XFS_DATA_FORK); |
1152 | xfs_bmap_insert_exlist(ip, idx + 1, 2, &r[0], XFS_DATA_FORK); | 1132 | xfs_iext_insert(ifp, idx + 1, 2, &r[0]); |
1153 | ip->i_df.if_lastex = idx + 1; | 1133 | ip->i_df.if_lastex = idx + 1; |
1154 | ip->i_d.di_nextents++; | 1134 | ip->i_d.di_nextents++; |
1155 | if (cur == NULL) | 1135 | if (cur == NULL) |
@@ -1204,13 +1184,13 @@ xfs_bmap_add_extent_delay_real( | |||
1204 | } | 1184 | } |
1205 | } | 1185 | } |
1206 | } | 1186 | } |
1207 | base = ip->i_df.if_u1.if_extents; | 1187 | ep = xfs_iext_get_ext(ifp, idx); |
1208 | ep = &base[idx]; | ||
1209 | xfs_bmbt_set_startblock(ep, NULLSTARTBLOCK((int)temp)); | 1188 | xfs_bmbt_set_startblock(ep, NULLSTARTBLOCK((int)temp)); |
1210 | xfs_bmap_trace_post_update(fname, "0", ip, idx, XFS_DATA_FORK); | 1189 | xfs_bmap_trace_post_update(fname, "0", ip, idx, XFS_DATA_FORK); |
1211 | xfs_bmap_trace_pre_update(fname, "0", ip, idx + 2, | 1190 | xfs_bmap_trace_pre_update(fname, "0", ip, idx + 2, |
1212 | XFS_DATA_FORK); | 1191 | XFS_DATA_FORK); |
1213 | xfs_bmbt_set_startblock(ep + 2, NULLSTARTBLOCK((int)temp2)); | 1192 | xfs_bmbt_set_startblock(xfs_iext_get_ext(ifp, idx + 2), |
1193 | NULLSTARTBLOCK((int)temp2)); | ||
1214 | xfs_bmap_trace_post_update(fname, "0", ip, idx + 2, | 1194 | xfs_bmap_trace_post_update(fname, "0", ip, idx + 2, |
1215 | XFS_DATA_FORK); | 1195 | XFS_DATA_FORK); |
1216 | *dnew = temp + temp2; | 1196 | *dnew = temp + temp2; |
@@ -1254,10 +1234,9 @@ xfs_bmap_add_extent_unwritten_real( | |||
1254 | xfs_inode_t *ip, /* incore inode pointer */ | 1234 | xfs_inode_t *ip, /* incore inode pointer */ |
1255 | xfs_extnum_t idx, /* extent number to update/insert */ | 1235 | xfs_extnum_t idx, /* extent number to update/insert */ |
1256 | xfs_btree_cur_t **curp, /* if *curp is null, not a btree */ | 1236 | xfs_btree_cur_t **curp, /* if *curp is null, not a btree */ |
1257 | xfs_bmbt_irec_t *new, /* new data to put in extent list */ | 1237 | xfs_bmbt_irec_t *new, /* new data to add to file extents */ |
1258 | int *logflagsp) /* inode logging flags */ | 1238 | int *logflagsp) /* inode logging flags */ |
1259 | { | 1239 | { |
1260 | xfs_bmbt_rec_t *base; /* base of extent entry list */ | ||
1261 | xfs_btree_cur_t *cur; /* btree cursor */ | 1240 | xfs_btree_cur_t *cur; /* btree cursor */ |
1262 | xfs_bmbt_rec_t *ep; /* extent entry for idx */ | 1241 | xfs_bmbt_rec_t *ep; /* extent entry for idx */ |
1263 | int error; /* error return value */ | 1242 | int error; /* error return value */ |
@@ -1265,6 +1244,7 @@ xfs_bmap_add_extent_unwritten_real( | |||
1265 | static char fname[] = "xfs_bmap_add_extent_unwritten_real"; | 1244 | static char fname[] = "xfs_bmap_add_extent_unwritten_real"; |
1266 | #endif | 1245 | #endif |
1267 | int i; /* temp state */ | 1246 | int i; /* temp state */ |
1247 | xfs_ifork_t *ifp; /* inode fork pointer */ | ||
1268 | xfs_fileoff_t new_endoff; /* end offset of new entry */ | 1248 | xfs_fileoff_t new_endoff; /* end offset of new entry */ |
1269 | xfs_exntst_t newext; /* new extent state */ | 1249 | xfs_exntst_t newext; /* new extent state */ |
1270 | xfs_exntst_t oldext; /* old extent state */ | 1250 | xfs_exntst_t oldext; /* old extent state */ |
@@ -1298,8 +1278,8 @@ xfs_bmap_add_extent_unwritten_real( | |||
1298 | */ | 1278 | */ |
1299 | error = 0; | 1279 | error = 0; |
1300 | cur = *curp; | 1280 | cur = *curp; |
1301 | base = ip->i_df.if_u1.if_extents; | 1281 | ifp = XFS_IFORK_PTR(ip, XFS_DATA_FORK); |
1302 | ep = &base[idx]; | 1282 | ep = xfs_iext_get_ext(ifp, idx); |
1303 | xfs_bmbt_get_all(ep, &PREV); | 1283 | xfs_bmbt_get_all(ep, &PREV); |
1304 | newext = new->br_state; | 1284 | newext = new->br_state; |
1305 | oldext = (newext == XFS_EXT_UNWRITTEN) ? | 1285 | oldext = (newext == XFS_EXT_UNWRITTEN) ? |
@@ -1320,7 +1300,7 @@ xfs_bmap_add_extent_unwritten_real( | |||
1320 | * Don't set contiguous if the combined extent would be too large. | 1300 | * Don't set contiguous if the combined extent would be too large. |
1321 | */ | 1301 | */ |
1322 | if (STATE_SET_TEST(LEFT_VALID, idx > 0)) { | 1302 | if (STATE_SET_TEST(LEFT_VALID, idx > 0)) { |
1323 | xfs_bmbt_get_all(ep - 1, &LEFT); | 1303 | xfs_bmbt_get_all(xfs_iext_get_ext(ifp, idx - 1), &LEFT); |
1324 | STATE_SET(LEFT_DELAY, ISNULLSTARTBLOCK(LEFT.br_startblock)); | 1304 | STATE_SET(LEFT_DELAY, ISNULLSTARTBLOCK(LEFT.br_startblock)); |
1325 | } | 1305 | } |
1326 | STATE_SET(LEFT_CONTIG, | 1306 | STATE_SET(LEFT_CONTIG, |
@@ -1337,7 +1317,7 @@ xfs_bmap_add_extent_unwritten_real( | |||
1337 | if (STATE_SET_TEST(RIGHT_VALID, | 1317 | if (STATE_SET_TEST(RIGHT_VALID, |
1338 | idx < | 1318 | idx < |
1339 | ip->i_df.if_bytes / (uint)sizeof(xfs_bmbt_rec_t) - 1)) { | 1319 | ip->i_df.if_bytes / (uint)sizeof(xfs_bmbt_rec_t) - 1)) { |
1340 | xfs_bmbt_get_all(ep + 1, &RIGHT); | 1320 | xfs_bmbt_get_all(xfs_iext_get_ext(ifp, idx + 1), &RIGHT); |
1341 | STATE_SET(RIGHT_DELAY, ISNULLSTARTBLOCK(RIGHT.br_startblock)); | 1321 | STATE_SET(RIGHT_DELAY, ISNULLSTARTBLOCK(RIGHT.br_startblock)); |
1342 | } | 1322 | } |
1343 | STATE_SET(RIGHT_CONTIG, | 1323 | STATE_SET(RIGHT_CONTIG, |
@@ -1363,14 +1343,14 @@ xfs_bmap_add_extent_unwritten_real( | |||
1363 | */ | 1343 | */ |
1364 | xfs_bmap_trace_pre_update(fname, "LF|RF|LC|RC", ip, idx - 1, | 1344 | xfs_bmap_trace_pre_update(fname, "LF|RF|LC|RC", ip, idx - 1, |
1365 | XFS_DATA_FORK); | 1345 | XFS_DATA_FORK); |
1366 | xfs_bmbt_set_blockcount(ep - 1, | 1346 | xfs_bmbt_set_blockcount(xfs_iext_get_ext(ifp, idx - 1), |
1367 | LEFT.br_blockcount + PREV.br_blockcount + | 1347 | LEFT.br_blockcount + PREV.br_blockcount + |
1368 | RIGHT.br_blockcount); | 1348 | RIGHT.br_blockcount); |
1369 | xfs_bmap_trace_post_update(fname, "LF|RF|LC|RC", ip, idx - 1, | 1349 | xfs_bmap_trace_post_update(fname, "LF|RF|LC|RC", ip, idx - 1, |
1370 | XFS_DATA_FORK); | 1350 | XFS_DATA_FORK); |
1371 | xfs_bmap_trace_delete(fname, "LF|RF|LC|RC", ip, idx, 2, | 1351 | xfs_bmap_trace_delete(fname, "LF|RF|LC|RC", ip, idx, 2, |
1372 | XFS_DATA_FORK); | 1352 | XFS_DATA_FORK); |
1373 | xfs_bmap_delete_exlist(ip, idx, 2, XFS_DATA_FORK); | 1353 | xfs_iext_remove(ifp, idx, 2); |
1374 | ip->i_df.if_lastex = idx - 1; | 1354 | ip->i_df.if_lastex = idx - 1; |
1375 | ip->i_d.di_nextents -= 2; | 1355 | ip->i_d.di_nextents -= 2; |
1376 | if (cur == NULL) | 1356 | if (cur == NULL) |
@@ -1409,14 +1389,14 @@ xfs_bmap_add_extent_unwritten_real( | |||
1409 | */ | 1389 | */ |
1410 | xfs_bmap_trace_pre_update(fname, "LF|RF|LC", ip, idx - 1, | 1390 | xfs_bmap_trace_pre_update(fname, "LF|RF|LC", ip, idx - 1, |
1411 | XFS_DATA_FORK); | 1391 | XFS_DATA_FORK); |
1412 | xfs_bmbt_set_blockcount(ep - 1, | 1392 | xfs_bmbt_set_blockcount(xfs_iext_get_ext(ifp, idx - 1), |
1413 | LEFT.br_blockcount + PREV.br_blockcount); | 1393 | LEFT.br_blockcount + PREV.br_blockcount); |
1414 | xfs_bmap_trace_post_update(fname, "LF|RF|LC", ip, idx - 1, | 1394 | xfs_bmap_trace_post_update(fname, "LF|RF|LC", ip, idx - 1, |
1415 | XFS_DATA_FORK); | 1395 | XFS_DATA_FORK); |
1416 | ip->i_df.if_lastex = idx - 1; | 1396 | ip->i_df.if_lastex = idx - 1; |
1417 | xfs_bmap_trace_delete(fname, "LF|RF|LC", ip, idx, 1, | 1397 | xfs_bmap_trace_delete(fname, "LF|RF|LC", ip, idx, 1, |
1418 | XFS_DATA_FORK); | 1398 | XFS_DATA_FORK); |
1419 | xfs_bmap_delete_exlist(ip, idx, 1, XFS_DATA_FORK); | 1399 | xfs_iext_remove(ifp, idx, 1); |
1420 | ip->i_d.di_nextents--; | 1400 | ip->i_d.di_nextents--; |
1421 | if (cur == NULL) | 1401 | if (cur == NULL) |
1422 | rval = XFS_ILOG_CORE | XFS_ILOG_DEXT; | 1402 | rval = XFS_ILOG_CORE | XFS_ILOG_DEXT; |
@@ -1456,7 +1436,7 @@ xfs_bmap_add_extent_unwritten_real( | |||
1456 | ip->i_df.if_lastex = idx; | 1436 | ip->i_df.if_lastex = idx; |
1457 | xfs_bmap_trace_delete(fname, "LF|RF|RC", ip, idx + 1, 1, | 1437 | xfs_bmap_trace_delete(fname, "LF|RF|RC", ip, idx + 1, 1, |
1458 | XFS_DATA_FORK); | 1438 | XFS_DATA_FORK); |
1459 | xfs_bmap_delete_exlist(ip, idx + 1, 1, XFS_DATA_FORK); | 1439 | xfs_iext_remove(ifp, idx + 1, 1); |
1460 | ip->i_d.di_nextents--; | 1440 | ip->i_d.di_nextents--; |
1461 | if (cur == NULL) | 1441 | if (cur == NULL) |
1462 | rval = XFS_ILOG_CORE | XFS_ILOG_DEXT; | 1442 | rval = XFS_ILOG_CORE | XFS_ILOG_DEXT; |
@@ -1516,7 +1496,7 @@ xfs_bmap_add_extent_unwritten_real( | |||
1516 | */ | 1496 | */ |
1517 | xfs_bmap_trace_pre_update(fname, "LF|LC", ip, idx - 1, | 1497 | xfs_bmap_trace_pre_update(fname, "LF|LC", ip, idx - 1, |
1518 | XFS_DATA_FORK); | 1498 | XFS_DATA_FORK); |
1519 | xfs_bmbt_set_blockcount(ep - 1, | 1499 | xfs_bmbt_set_blockcount(xfs_iext_get_ext(ifp, idx - 1), |
1520 | LEFT.br_blockcount + new->br_blockcount); | 1500 | LEFT.br_blockcount + new->br_blockcount); |
1521 | xfs_bmbt_set_startoff(ep, | 1501 | xfs_bmbt_set_startoff(ep, |
1522 | PREV.br_startoff + new->br_blockcount); | 1502 | PREV.br_startoff + new->br_blockcount); |
@@ -1571,7 +1551,7 @@ xfs_bmap_add_extent_unwritten_real( | |||
1571 | xfs_bmap_trace_post_update(fname, "LF", ip, idx, XFS_DATA_FORK); | 1551 | xfs_bmap_trace_post_update(fname, "LF", ip, idx, XFS_DATA_FORK); |
1572 | xfs_bmap_trace_insert(fname, "LF", ip, idx, 1, new, NULL, | 1552 | xfs_bmap_trace_insert(fname, "LF", ip, idx, 1, new, NULL, |
1573 | XFS_DATA_FORK); | 1553 | XFS_DATA_FORK); |
1574 | xfs_bmap_insert_exlist(ip, idx, 1, new, XFS_DATA_FORK); | 1554 | xfs_iext_insert(ifp, idx, 1, new); |
1575 | ip->i_df.if_lastex = idx; | 1555 | ip->i_df.if_lastex = idx; |
1576 | ip->i_d.di_nextents++; | 1556 | ip->i_d.di_nextents++; |
1577 | if (cur == NULL) | 1557 | if (cur == NULL) |
@@ -1609,7 +1589,8 @@ xfs_bmap_add_extent_unwritten_real( | |||
1609 | PREV.br_blockcount - new->br_blockcount); | 1589 | PREV.br_blockcount - new->br_blockcount); |
1610 | xfs_bmap_trace_post_update(fname, "RF|RC", ip, idx, | 1590 | xfs_bmap_trace_post_update(fname, "RF|RC", ip, idx, |
1611 | XFS_DATA_FORK); | 1591 | XFS_DATA_FORK); |
1612 | xfs_bmbt_set_allf(ep + 1, new->br_startoff, new->br_startblock, | 1592 | xfs_bmbt_set_allf(xfs_iext_get_ext(ifp, idx + 1), |
1593 | new->br_startoff, new->br_startblock, | ||
1613 | new->br_blockcount + RIGHT.br_blockcount, newext); | 1594 | new->br_blockcount + RIGHT.br_blockcount, newext); |
1614 | xfs_bmap_trace_post_update(fname, "RF|RC", ip, idx + 1, | 1595 | xfs_bmap_trace_post_update(fname, "RF|RC", ip, idx + 1, |
1615 | XFS_DATA_FORK); | 1596 | XFS_DATA_FORK); |
@@ -1649,7 +1630,7 @@ xfs_bmap_add_extent_unwritten_real( | |||
1649 | xfs_bmap_trace_post_update(fname, "RF", ip, idx, XFS_DATA_FORK); | 1630 | xfs_bmap_trace_post_update(fname, "RF", ip, idx, XFS_DATA_FORK); |
1650 | xfs_bmap_trace_insert(fname, "RF", ip, idx + 1, 1, | 1631 | xfs_bmap_trace_insert(fname, "RF", ip, idx + 1, 1, |
1651 | new, NULL, XFS_DATA_FORK); | 1632 | new, NULL, XFS_DATA_FORK); |
1652 | xfs_bmap_insert_exlist(ip, idx + 1, 1, new, XFS_DATA_FORK); | 1633 | xfs_iext_insert(ifp, idx + 1, 1, new); |
1653 | ip->i_df.if_lastex = idx + 1; | 1634 | ip->i_df.if_lastex = idx + 1; |
1654 | ip->i_d.di_nextents++; | 1635 | ip->i_d.di_nextents++; |
1655 | if (cur == NULL) | 1636 | if (cur == NULL) |
@@ -1696,7 +1677,7 @@ xfs_bmap_add_extent_unwritten_real( | |||
1696 | r[1].br_state = oldext; | 1677 | r[1].br_state = oldext; |
1697 | xfs_bmap_trace_insert(fname, "0", ip, idx + 1, 2, &r[0], &r[1], | 1678 | xfs_bmap_trace_insert(fname, "0", ip, idx + 1, 2, &r[0], &r[1], |
1698 | XFS_DATA_FORK); | 1679 | XFS_DATA_FORK); |
1699 | xfs_bmap_insert_exlist(ip, idx + 1, 2, &r[0], XFS_DATA_FORK); | 1680 | xfs_iext_insert(ifp, idx + 1, 2, &r[0]); |
1700 | ip->i_df.if_lastex = idx + 1; | 1681 | ip->i_df.if_lastex = idx + 1; |
1701 | ip->i_d.di_nextents += 2; | 1682 | ip->i_d.di_nextents += 2; |
1702 | if (cur == NULL) | 1683 | if (cur == NULL) |
@@ -1770,15 +1751,15 @@ xfs_bmap_add_extent_hole_delay( | |||
1770 | xfs_inode_t *ip, /* incore inode pointer */ | 1751 | xfs_inode_t *ip, /* incore inode pointer */ |
1771 | xfs_extnum_t idx, /* extent number to update/insert */ | 1752 | xfs_extnum_t idx, /* extent number to update/insert */ |
1772 | xfs_btree_cur_t *cur, /* if null, not a btree */ | 1753 | xfs_btree_cur_t *cur, /* if null, not a btree */ |
1773 | xfs_bmbt_irec_t *new, /* new data to put in extent list */ | 1754 | xfs_bmbt_irec_t *new, /* new data to add to file extents */ |
1774 | int *logflagsp, /* inode logging flags */ | 1755 | int *logflagsp, /* inode logging flags */ |
1775 | int rsvd) /* OK to allocate reserved blocks */ | 1756 | int rsvd) /* OK to allocate reserved blocks */ |
1776 | { | 1757 | { |
1777 | xfs_bmbt_rec_t *base; /* base of extent entry list */ | 1758 | xfs_bmbt_rec_t *ep; /* extent record for idx */ |
1778 | xfs_bmbt_rec_t *ep; /* extent list entry for idx */ | ||
1779 | #ifdef XFS_BMAP_TRACE | 1759 | #ifdef XFS_BMAP_TRACE |
1780 | static char fname[] = "xfs_bmap_add_extent_hole_delay"; | 1760 | static char fname[] = "xfs_bmap_add_extent_hole_delay"; |
1781 | #endif | 1761 | #endif |
1762 | xfs_ifork_t *ifp; /* inode fork pointer */ | ||
1782 | xfs_bmbt_irec_t left; /* left neighbor extent entry */ | 1763 | xfs_bmbt_irec_t left; /* left neighbor extent entry */ |
1783 | xfs_filblks_t newlen=0; /* new indirect size */ | 1764 | xfs_filblks_t newlen=0; /* new indirect size */ |
1784 | xfs_filblks_t oldlen=0; /* old indirect size */ | 1765 | xfs_filblks_t oldlen=0; /* old indirect size */ |
@@ -1799,15 +1780,15 @@ xfs_bmap_add_extent_hole_delay( | |||
1799 | ((state &= ~MASK(b)), 0)) | 1780 | ((state &= ~MASK(b)), 0)) |
1800 | #define SWITCH_STATE (state & MASK2(LEFT_CONTIG, RIGHT_CONTIG)) | 1781 | #define SWITCH_STATE (state & MASK2(LEFT_CONTIG, RIGHT_CONTIG)) |
1801 | 1782 | ||
1802 | base = ip->i_df.if_u1.if_extents; | 1783 | ifp = XFS_IFORK_PTR(ip, XFS_DATA_FORK); |
1803 | ep = &base[idx]; | 1784 | ep = xfs_iext_get_ext(ifp, idx); |
1804 | state = 0; | 1785 | state = 0; |
1805 | ASSERT(ISNULLSTARTBLOCK(new->br_startblock)); | 1786 | ASSERT(ISNULLSTARTBLOCK(new->br_startblock)); |
1806 | /* | 1787 | /* |
1807 | * Check and set flags if this segment has a left neighbor | 1788 | * Check and set flags if this segment has a left neighbor |
1808 | */ | 1789 | */ |
1809 | if (STATE_SET_TEST(LEFT_VALID, idx > 0)) { | 1790 | if (STATE_SET_TEST(LEFT_VALID, idx > 0)) { |
1810 | xfs_bmbt_get_all(ep - 1, &left); | 1791 | xfs_bmbt_get_all(xfs_iext_get_ext(ifp, idx - 1), &left); |
1811 | STATE_SET(LEFT_DELAY, ISNULLSTARTBLOCK(left.br_startblock)); | 1792 | STATE_SET(LEFT_DELAY, ISNULLSTARTBLOCK(left.br_startblock)); |
1812 | } | 1793 | } |
1813 | /* | 1794 | /* |
@@ -1844,23 +1825,24 @@ xfs_bmap_add_extent_hole_delay( | |||
1844 | /* | 1825 | /* |
1845 | * New allocation is contiguous with delayed allocations | 1826 | * New allocation is contiguous with delayed allocations |
1846 | * on the left and on the right. | 1827 | * on the left and on the right. |
1847 | * Merge all three into a single extent list entry. | 1828 | * Merge all three into a single extent record. |
1848 | */ | 1829 | */ |
1849 | temp = left.br_blockcount + new->br_blockcount + | 1830 | temp = left.br_blockcount + new->br_blockcount + |
1850 | right.br_blockcount; | 1831 | right.br_blockcount; |
1851 | xfs_bmap_trace_pre_update(fname, "LC|RC", ip, idx - 1, | 1832 | xfs_bmap_trace_pre_update(fname, "LC|RC", ip, idx - 1, |
1852 | XFS_DATA_FORK); | 1833 | XFS_DATA_FORK); |
1853 | xfs_bmbt_set_blockcount(ep - 1, temp); | 1834 | xfs_bmbt_set_blockcount(xfs_iext_get_ext(ifp, idx - 1), temp); |
1854 | oldlen = STARTBLOCKVAL(left.br_startblock) + | 1835 | oldlen = STARTBLOCKVAL(left.br_startblock) + |
1855 | STARTBLOCKVAL(new->br_startblock) + | 1836 | STARTBLOCKVAL(new->br_startblock) + |
1856 | STARTBLOCKVAL(right.br_startblock); | 1837 | STARTBLOCKVAL(right.br_startblock); |
1857 | newlen = xfs_bmap_worst_indlen(ip, temp); | 1838 | newlen = xfs_bmap_worst_indlen(ip, temp); |
1858 | xfs_bmbt_set_startblock(ep - 1, NULLSTARTBLOCK((int)newlen)); | 1839 | xfs_bmbt_set_startblock(xfs_iext_get_ext(ifp, idx - 1), |
1840 | NULLSTARTBLOCK((int)newlen)); | ||
1859 | xfs_bmap_trace_post_update(fname, "LC|RC", ip, idx - 1, | 1841 | xfs_bmap_trace_post_update(fname, "LC|RC", ip, idx - 1, |
1860 | XFS_DATA_FORK); | 1842 | XFS_DATA_FORK); |
1861 | xfs_bmap_trace_delete(fname, "LC|RC", ip, idx, 1, | 1843 | xfs_bmap_trace_delete(fname, "LC|RC", ip, idx, 1, |
1862 | XFS_DATA_FORK); | 1844 | XFS_DATA_FORK); |
1863 | xfs_bmap_delete_exlist(ip, idx, 1, XFS_DATA_FORK); | 1845 | xfs_iext_remove(ifp, idx, 1); |
1864 | ip->i_df.if_lastex = idx - 1; | 1846 | ip->i_df.if_lastex = idx - 1; |
1865 | break; | 1847 | break; |
1866 | 1848 | ||
@@ -1873,11 +1855,12 @@ xfs_bmap_add_extent_hole_delay( | |||
1873 | temp = left.br_blockcount + new->br_blockcount; | 1855 | temp = left.br_blockcount + new->br_blockcount; |
1874 | xfs_bmap_trace_pre_update(fname, "LC", ip, idx - 1, | 1856 | xfs_bmap_trace_pre_update(fname, "LC", ip, idx - 1, |
1875 | XFS_DATA_FORK); | 1857 | XFS_DATA_FORK); |
1876 | xfs_bmbt_set_blockcount(ep - 1, temp); | 1858 | xfs_bmbt_set_blockcount(xfs_iext_get_ext(ifp, idx - 1), temp); |
1877 | oldlen = STARTBLOCKVAL(left.br_startblock) + | 1859 | oldlen = STARTBLOCKVAL(left.br_startblock) + |
1878 | STARTBLOCKVAL(new->br_startblock); | 1860 | STARTBLOCKVAL(new->br_startblock); |
1879 | newlen = xfs_bmap_worst_indlen(ip, temp); | 1861 | newlen = xfs_bmap_worst_indlen(ip, temp); |
1880 | xfs_bmbt_set_startblock(ep - 1, NULLSTARTBLOCK((int)newlen)); | 1862 | xfs_bmbt_set_startblock(xfs_iext_get_ext(ifp, idx - 1), |
1863 | NULLSTARTBLOCK((int)newlen)); | ||
1881 | xfs_bmap_trace_post_update(fname, "LC", ip, idx - 1, | 1864 | xfs_bmap_trace_post_update(fname, "LC", ip, idx - 1, |
1882 | XFS_DATA_FORK); | 1865 | XFS_DATA_FORK); |
1883 | ip->i_df.if_lastex = idx - 1; | 1866 | ip->i_df.if_lastex = idx - 1; |
@@ -1909,7 +1892,7 @@ xfs_bmap_add_extent_hole_delay( | |||
1909 | oldlen = newlen = 0; | 1892 | oldlen = newlen = 0; |
1910 | xfs_bmap_trace_insert(fname, "0", ip, idx, 1, new, NULL, | 1893 | xfs_bmap_trace_insert(fname, "0", ip, idx, 1, new, NULL, |
1911 | XFS_DATA_FORK); | 1894 | XFS_DATA_FORK); |
1912 | xfs_bmap_insert_exlist(ip, idx, 1, new, XFS_DATA_FORK); | 1895 | xfs_iext_insert(ifp, idx, 1, new); |
1913 | ip->i_df.if_lastex = idx; | 1896 | ip->i_df.if_lastex = idx; |
1914 | break; | 1897 | break; |
1915 | } | 1898 | } |
@@ -1940,7 +1923,7 @@ xfs_bmap_add_extent_hole_real( | |||
1940 | xfs_inode_t *ip, /* incore inode pointer */ | 1923 | xfs_inode_t *ip, /* incore inode pointer */ |
1941 | xfs_extnum_t idx, /* extent number to update/insert */ | 1924 | xfs_extnum_t idx, /* extent number to update/insert */ |
1942 | xfs_btree_cur_t *cur, /* if null, not a btree */ | 1925 | xfs_btree_cur_t *cur, /* if null, not a btree */ |
1943 | xfs_bmbt_irec_t *new, /* new data to put in extent list */ | 1926 | xfs_bmbt_irec_t *new, /* new data to add to file extents */ |
1944 | int *logflagsp, /* inode logging flags */ | 1927 | int *logflagsp, /* inode logging flags */ |
1945 | int whichfork) /* data or attr fork */ | 1928 | int whichfork) /* data or attr fork */ |
1946 | { | 1929 | { |
@@ -1970,13 +1953,13 @@ xfs_bmap_add_extent_hole_real( | |||
1970 | 1953 | ||
1971 | ifp = XFS_IFORK_PTR(ip, whichfork); | 1954 | ifp = XFS_IFORK_PTR(ip, whichfork); |
1972 | ASSERT(idx <= ifp->if_bytes / (uint)sizeof(xfs_bmbt_rec_t)); | 1955 | ASSERT(idx <= ifp->if_bytes / (uint)sizeof(xfs_bmbt_rec_t)); |
1973 | ep = &ifp->if_u1.if_extents[idx]; | 1956 | ep = xfs_iext_get_ext(ifp, idx); |
1974 | state = 0; | 1957 | state = 0; |
1975 | /* | 1958 | /* |
1976 | * Check and set flags if this segment has a left neighbor. | 1959 | * Check and set flags if this segment has a left neighbor. |
1977 | */ | 1960 | */ |
1978 | if (STATE_SET_TEST(LEFT_VALID, idx > 0)) { | 1961 | if (STATE_SET_TEST(LEFT_VALID, idx > 0)) { |
1979 | xfs_bmbt_get_all(ep - 1, &left); | 1962 | xfs_bmbt_get_all(xfs_iext_get_ext(ifp, idx - 1), &left); |
1980 | STATE_SET(LEFT_DELAY, ISNULLSTARTBLOCK(left.br_startblock)); | 1963 | STATE_SET(LEFT_DELAY, ISNULLSTARTBLOCK(left.br_startblock)); |
1981 | } | 1964 | } |
1982 | /* | 1965 | /* |
@@ -2019,18 +2002,18 @@ xfs_bmap_add_extent_hole_real( | |||
2019 | /* | 2002 | /* |
2020 | * New allocation is contiguous with real allocations on the | 2003 | * New allocation is contiguous with real allocations on the |
2021 | * left and on the right. | 2004 | * left and on the right. |
2022 | * Merge all three into a single extent list entry. | 2005 | * Merge all three into a single extent record. |
2023 | */ | 2006 | */ |
2024 | xfs_bmap_trace_pre_update(fname, "LC|RC", ip, idx - 1, | 2007 | xfs_bmap_trace_pre_update(fname, "LC|RC", ip, idx - 1, |
2025 | whichfork); | 2008 | whichfork); |
2026 | xfs_bmbt_set_blockcount(ep - 1, | 2009 | xfs_bmbt_set_blockcount(xfs_iext_get_ext(ifp, idx - 1), |
2027 | left.br_blockcount + new->br_blockcount + | 2010 | left.br_blockcount + new->br_blockcount + |
2028 | right.br_blockcount); | 2011 | right.br_blockcount); |
2029 | xfs_bmap_trace_post_update(fname, "LC|RC", ip, idx - 1, | 2012 | xfs_bmap_trace_post_update(fname, "LC|RC", ip, idx - 1, |
2030 | whichfork); | 2013 | whichfork); |
2031 | xfs_bmap_trace_delete(fname, "LC|RC", ip, | 2014 | xfs_bmap_trace_delete(fname, "LC|RC", ip, |
2032 | idx, 1, whichfork); | 2015 | idx, 1, whichfork); |
2033 | xfs_bmap_delete_exlist(ip, idx, 1, whichfork); | 2016 | xfs_iext_remove(ifp, idx, 1); |
2034 | ifp->if_lastex = idx - 1; | 2017 | ifp->if_lastex = idx - 1; |
2035 | XFS_IFORK_NEXT_SET(ip, whichfork, | 2018 | XFS_IFORK_NEXT_SET(ip, whichfork, |
2036 | XFS_IFORK_NEXTENTS(ip, whichfork) - 1); | 2019 | XFS_IFORK_NEXTENTS(ip, whichfork) - 1); |
@@ -2062,7 +2045,7 @@ xfs_bmap_add_extent_hole_real( | |||
2062 | * Merge the new allocation with the left neighbor. | 2045 | * Merge the new allocation with the left neighbor. |
2063 | */ | 2046 | */ |
2064 | xfs_bmap_trace_pre_update(fname, "LC", ip, idx - 1, whichfork); | 2047 | xfs_bmap_trace_pre_update(fname, "LC", ip, idx - 1, whichfork); |
2065 | xfs_bmbt_set_blockcount(ep - 1, | 2048 | xfs_bmbt_set_blockcount(xfs_iext_get_ext(ifp, idx - 1), |
2066 | left.br_blockcount + new->br_blockcount); | 2049 | left.br_blockcount + new->br_blockcount); |
2067 | xfs_bmap_trace_post_update(fname, "LC", ip, idx - 1, whichfork); | 2050 | xfs_bmap_trace_post_update(fname, "LC", ip, idx - 1, whichfork); |
2068 | ifp->if_lastex = idx - 1; | 2051 | ifp->if_lastex = idx - 1; |
@@ -2116,7 +2099,7 @@ xfs_bmap_add_extent_hole_real( | |||
2116 | */ | 2099 | */ |
2117 | xfs_bmap_trace_insert(fname, "0", ip, idx, 1, new, NULL, | 2100 | xfs_bmap_trace_insert(fname, "0", ip, idx, 1, new, NULL, |
2118 | whichfork); | 2101 | whichfork); |
2119 | xfs_bmap_insert_exlist(ip, idx, 1, new, whichfork); | 2102 | xfs_iext_insert(ifp, idx, 1, new); |
2120 | ifp->if_lastex = idx; | 2103 | ifp->if_lastex = idx; |
2121 | XFS_IFORK_NEXT_SET(ip, whichfork, | 2104 | XFS_IFORK_NEXT_SET(ip, whichfork, |
2122 | XFS_IFORK_NEXTENTS(ip, whichfork) + 1); | 2105 | XFS_IFORK_NEXTENTS(ip, whichfork) + 1); |
@@ -2311,25 +2294,15 @@ xfs_bmap_extsize_align( | |||
2311 | 2294 | ||
2312 | #define XFS_ALLOC_GAP_UNITS 4 | 2295 | #define XFS_ALLOC_GAP_UNITS 4 |
2313 | 2296 | ||
2314 | /* | ||
2315 | * xfs_bmap_alloc is called by xfs_bmapi to allocate an extent for a file. | ||
2316 | * It figures out where to ask the underlying allocator to put the new extent. | ||
2317 | */ | ||
2318 | STATIC int | 2297 | STATIC int |
2319 | xfs_bmap_alloc( | 2298 | xfs_bmap_adjacent( |
2320 | xfs_bmalloca_t *ap) /* bmap alloc argument struct */ | 2299 | xfs_bmalloca_t *ap) /* bmap alloc argument struct */ |
2321 | { | 2300 | { |
2322 | xfs_fsblock_t adjust; /* adjustment to block numbers */ | 2301 | xfs_fsblock_t adjust; /* adjustment to block numbers */ |
2323 | xfs_alloctype_t atype=0; /* type for allocation routines */ | ||
2324 | int error; /* error return value */ | ||
2325 | xfs_agnumber_t fb_agno; /* ag number of ap->firstblock */ | 2302 | xfs_agnumber_t fb_agno; /* ag number of ap->firstblock */ |
2326 | xfs_mount_t *mp; /* mount point structure */ | 2303 | xfs_mount_t *mp; /* mount point structure */ |
2327 | int nullfb; /* true if ap->firstblock isn't set */ | 2304 | int nullfb; /* true if ap->firstblock isn't set */ |
2328 | int rt; /* true if inode is realtime */ | 2305 | int rt; /* true if inode is realtime */ |
2329 | xfs_extlen_t prod = 0; /* product factor for allocators */ | ||
2330 | xfs_extlen_t ralen = 0; /* realtime allocation length */ | ||
2331 | xfs_extlen_t align; /* minimum allocation alignment */ | ||
2332 | xfs_rtblock_t rtx; | ||
2333 | 2306 | ||
2334 | #define ISVALID(x,y) \ | 2307 | #define ISVALID(x,y) \ |
2335 | (rt ? \ | 2308 | (rt ? \ |
@@ -2338,75 +2311,10 @@ xfs_bmap_alloc( | |||
2338 | XFS_FSB_TO_AGNO(mp, x) < mp->m_sb.sb_agcount && \ | 2311 | XFS_FSB_TO_AGNO(mp, x) < mp->m_sb.sb_agcount && \ |
2339 | XFS_FSB_TO_AGBNO(mp, x) < mp->m_sb.sb_agblocks) | 2312 | XFS_FSB_TO_AGBNO(mp, x) < mp->m_sb.sb_agblocks) |
2340 | 2313 | ||
2341 | /* | ||
2342 | * Set up variables. | ||
2343 | */ | ||
2344 | mp = ap->ip->i_mount; | 2314 | mp = ap->ip->i_mount; |
2345 | nullfb = ap->firstblock == NULLFSBLOCK; | 2315 | nullfb = ap->firstblock == NULLFSBLOCK; |
2346 | rt = XFS_IS_REALTIME_INODE(ap->ip) && ap->userdata; | 2316 | rt = XFS_IS_REALTIME_INODE(ap->ip) && ap->userdata; |
2347 | fb_agno = nullfb ? NULLAGNUMBER : XFS_FSB_TO_AGNO(mp, ap->firstblock); | 2317 | fb_agno = nullfb ? NULLAGNUMBER : XFS_FSB_TO_AGNO(mp, ap->firstblock); |
2348 | if (rt) { | ||
2349 | align = ap->ip->i_d.di_extsize ? | ||
2350 | ap->ip->i_d.di_extsize : mp->m_sb.sb_rextsize; | ||
2351 | /* Set prod to match the extent size */ | ||
2352 | prod = align / mp->m_sb.sb_rextsize; | ||
2353 | |||
2354 | error = xfs_bmap_extsize_align(mp, ap->gotp, ap->prevp, | ||
2355 | align, rt, ap->eof, 0, | ||
2356 | ap->conv, &ap->off, &ap->alen); | ||
2357 | if (error) | ||
2358 | return error; | ||
2359 | ASSERT(ap->alen); | ||
2360 | ASSERT(ap->alen % mp->m_sb.sb_rextsize == 0); | ||
2361 | |||
2362 | /* | ||
2363 | * If the offset & length are not perfectly aligned | ||
2364 | * then kill prod, it will just get us in trouble. | ||
2365 | */ | ||
2366 | if (do_mod(ap->off, align) || ap->alen % align) | ||
2367 | prod = 1; | ||
2368 | /* | ||
2369 | * Set ralen to be the actual requested length in rtextents. | ||
2370 | */ | ||
2371 | ralen = ap->alen / mp->m_sb.sb_rextsize; | ||
2372 | /* | ||
2373 | * If the old value was close enough to MAXEXTLEN that | ||
2374 | * we rounded up to it, cut it back so it's valid again. | ||
2375 | * Note that if it's a really large request (bigger than | ||
2376 | * MAXEXTLEN), we don't hear about that number, and can't | ||
2377 | * adjust the starting point to match it. | ||
2378 | */ | ||
2379 | if (ralen * mp->m_sb.sb_rextsize >= MAXEXTLEN) | ||
2380 | ralen = MAXEXTLEN / mp->m_sb.sb_rextsize; | ||
2381 | /* | ||
2382 | * If it's an allocation to an empty file at offset 0, | ||
2383 | * pick an extent that will space things out in the rt area. | ||
2384 | */ | ||
2385 | if (ap->eof && ap->off == 0) { | ||
2386 | error = xfs_rtpick_extent(mp, ap->tp, ralen, &rtx); | ||
2387 | if (error) | ||
2388 | return error; | ||
2389 | ap->rval = rtx * mp->m_sb.sb_rextsize; | ||
2390 | } else | ||
2391 | ap->rval = 0; | ||
2392 | } else { | ||
2393 | align = (ap->userdata && ap->ip->i_d.di_extsize && | ||
2394 | (ap->ip->i_d.di_flags & XFS_DIFLAG_EXTSIZE)) ? | ||
2395 | ap->ip->i_d.di_extsize : 0; | ||
2396 | if (unlikely(align)) { | ||
2397 | error = xfs_bmap_extsize_align(mp, ap->gotp, ap->prevp, | ||
2398 | align, rt, | ||
2399 | ap->eof, 0, ap->conv, | ||
2400 | &ap->off, &ap->alen); | ||
2401 | ASSERT(!error); | ||
2402 | ASSERT(ap->alen); | ||
2403 | } | ||
2404 | if (nullfb) | ||
2405 | ap->rval = XFS_INO_TO_FSB(mp, ap->ip->i_ino); | ||
2406 | else | ||
2407 | ap->rval = ap->firstblock; | ||
2408 | } | ||
2409 | |||
2410 | /* | 2318 | /* |
2411 | * If allocating at eof, and there's a previous real block, | 2319 | * If allocating at eof, and there's a previous real block, |
2412 | * try to use it's last block as our starting point. | 2320 | * try to use it's last block as our starting point. |
@@ -2531,287 +2439,384 @@ xfs_bmap_alloc( | |||
2531 | else if (gotbno != NULLFSBLOCK) | 2439 | else if (gotbno != NULLFSBLOCK) |
2532 | ap->rval = gotbno; | 2440 | ap->rval = gotbno; |
2533 | } | 2441 | } |
2442 | #undef ISVALID | ||
2443 | return 0; | ||
2444 | } | ||
2445 | |||
2446 | STATIC int | ||
2447 | xfs_bmap_rtalloc( | ||
2448 | xfs_bmalloca_t *ap) /* bmap alloc argument struct */ | ||
2449 | { | ||
2450 | xfs_alloctype_t atype = 0; /* type for allocation routines */ | ||
2451 | int error; /* error return value */ | ||
2452 | xfs_mount_t *mp; /* mount point structure */ | ||
2453 | xfs_extlen_t prod = 0; /* product factor for allocators */ | ||
2454 | xfs_extlen_t ralen = 0; /* realtime allocation length */ | ||
2455 | xfs_extlen_t align; /* minimum allocation alignment */ | ||
2456 | xfs_rtblock_t rtx; /* realtime extent number */ | ||
2457 | xfs_rtblock_t rtb; | ||
2458 | |||
2459 | mp = ap->ip->i_mount; | ||
2460 | align = ap->ip->i_d.di_extsize ? | ||
2461 | ap->ip->i_d.di_extsize : mp->m_sb.sb_rextsize; | ||
2462 | prod = align / mp->m_sb.sb_rextsize; | ||
2463 | error = xfs_bmap_extsize_align(mp, ap->gotp, ap->prevp, | ||
2464 | align, 1, ap->eof, 0, | ||
2465 | ap->conv, &ap->off, &ap->alen); | ||
2466 | if (error) | ||
2467 | return error; | ||
2468 | ASSERT(ap->alen); | ||
2469 | ASSERT(ap->alen % mp->m_sb.sb_rextsize == 0); | ||
2470 | |||
2471 | /* | ||
2472 | * If the offset & length are not perfectly aligned | ||
2473 | * then kill prod, it will just get us in trouble. | ||
2474 | */ | ||
2475 | if (do_mod(ap->off, align) || ap->alen % align) | ||
2476 | prod = 1; | ||
2477 | /* | ||
2478 | * Set ralen to be the actual requested length in rtextents. | ||
2479 | */ | ||
2480 | ralen = ap->alen / mp->m_sb.sb_rextsize; | ||
2481 | /* | ||
2482 | * If the old value was close enough to MAXEXTLEN that | ||
2483 | * we rounded up to it, cut it back so it's valid again. | ||
2484 | * Note that if it's a really large request (bigger than | ||
2485 | * MAXEXTLEN), we don't hear about that number, and can't | ||
2486 | * adjust the starting point to match it. | ||
2487 | */ | ||
2488 | if (ralen * mp->m_sb.sb_rextsize >= MAXEXTLEN) | ||
2489 | ralen = MAXEXTLEN / mp->m_sb.sb_rextsize; | ||
2490 | /* | ||
2491 | * If it's an allocation to an empty file at offset 0, | ||
2492 | * pick an extent that will space things out in the rt area. | ||
2493 | */ | ||
2494 | if (ap->eof && ap->off == 0) { | ||
2495 | error = xfs_rtpick_extent(mp, ap->tp, ralen, &rtx); | ||
2496 | if (error) | ||
2497 | return error; | ||
2498 | ap->rval = rtx * mp->m_sb.sb_rextsize; | ||
2499 | } else { | ||
2500 | ap->rval = 0; | ||
2501 | } | ||
2502 | |||
2503 | xfs_bmap_adjacent(ap); | ||
2504 | |||
2505 | /* | ||
2506 | * Realtime allocation, done through xfs_rtallocate_extent. | ||
2507 | */ | ||
2508 | atype = ap->rval == 0 ? XFS_ALLOCTYPE_ANY_AG : XFS_ALLOCTYPE_NEAR_BNO; | ||
2509 | do_div(ap->rval, mp->m_sb.sb_rextsize); | ||
2510 | rtb = ap->rval; | ||
2511 | ap->alen = ralen; | ||
2512 | if ((error = xfs_rtallocate_extent(ap->tp, ap->rval, 1, ap->alen, | ||
2513 | &ralen, atype, ap->wasdel, prod, &rtb))) | ||
2514 | return error; | ||
2515 | if (rtb == NULLFSBLOCK && prod > 1 && | ||
2516 | (error = xfs_rtallocate_extent(ap->tp, ap->rval, 1, | ||
2517 | ap->alen, &ralen, atype, | ||
2518 | ap->wasdel, 1, &rtb))) | ||
2519 | return error; | ||
2520 | ap->rval = rtb; | ||
2521 | if (ap->rval != NULLFSBLOCK) { | ||
2522 | ap->rval *= mp->m_sb.sb_rextsize; | ||
2523 | ralen *= mp->m_sb.sb_rextsize; | ||
2524 | ap->alen = ralen; | ||
2525 | ap->ip->i_d.di_nblocks += ralen; | ||
2526 | xfs_trans_log_inode(ap->tp, ap->ip, XFS_ILOG_CORE); | ||
2527 | if (ap->wasdel) | ||
2528 | ap->ip->i_delayed_blks -= ralen; | ||
2529 | /* | ||
2530 | * Adjust the disk quota also. This was reserved | ||
2531 | * earlier. | ||
2532 | */ | ||
2533 | XFS_TRANS_MOD_DQUOT_BYINO(mp, ap->tp, ap->ip, | ||
2534 | ap->wasdel ? XFS_TRANS_DQ_DELRTBCOUNT : | ||
2535 | XFS_TRANS_DQ_RTBCOUNT, (long) ralen); | ||
2536 | } else { | ||
2537 | ap->alen = 0; | ||
2538 | } | ||
2539 | return 0; | ||
2540 | } | ||
2541 | |||
2542 | STATIC int | ||
2543 | xfs_bmap_btalloc( | ||
2544 | xfs_bmalloca_t *ap) /* bmap alloc argument struct */ | ||
2545 | { | ||
2546 | xfs_mount_t *mp; /* mount point structure */ | ||
2547 | xfs_alloctype_t atype = 0; /* type for allocation routines */ | ||
2548 | xfs_extlen_t align; /* minimum allocation alignment */ | ||
2549 | xfs_agnumber_t ag; | ||
2550 | xfs_agnumber_t fb_agno; /* ag number of ap->firstblock */ | ||
2551 | xfs_agnumber_t startag; | ||
2552 | xfs_alloc_arg_t args; | ||
2553 | xfs_extlen_t blen; | ||
2554 | xfs_extlen_t delta; | ||
2555 | xfs_extlen_t longest; | ||
2556 | xfs_extlen_t need; | ||
2557 | xfs_extlen_t nextminlen = 0; | ||
2558 | xfs_perag_t *pag; | ||
2559 | int nullfb; /* true if ap->firstblock isn't set */ | ||
2560 | int isaligned; | ||
2561 | int notinit; | ||
2562 | int tryagain; | ||
2563 | int error; | ||
2564 | |||
2565 | mp = ap->ip->i_mount; | ||
2566 | align = (ap->userdata && ap->ip->i_d.di_extsize && | ||
2567 | (ap->ip->i_d.di_flags & XFS_DIFLAG_EXTSIZE)) ? | ||
2568 | ap->ip->i_d.di_extsize : 0; | ||
2569 | if (unlikely(align)) { | ||
2570 | error = xfs_bmap_extsize_align(mp, ap->gotp, ap->prevp, | ||
2571 | align, 0, ap->eof, 0, ap->conv, | ||
2572 | &ap->off, &ap->alen); | ||
2573 | ASSERT(!error); | ||
2574 | ASSERT(ap->alen); | ||
2575 | } | ||
2576 | nullfb = ap->firstblock == NULLFSBLOCK; | ||
2577 | fb_agno = nullfb ? NULLAGNUMBER : XFS_FSB_TO_AGNO(mp, ap->firstblock); | ||
2578 | if (nullfb) | ||
2579 | ap->rval = XFS_INO_TO_FSB(mp, ap->ip->i_ino); | ||
2580 | else | ||
2581 | ap->rval = ap->firstblock; | ||
2582 | |||
2583 | xfs_bmap_adjacent(ap); | ||
2584 | |||
2534 | /* | 2585 | /* |
2535 | * If allowed, use ap->rval; otherwise must use firstblock since | 2586 | * If allowed, use ap->rval; otherwise must use firstblock since |
2536 | * it's in the right allocation group. | 2587 | * it's in the right allocation group. |
2537 | */ | 2588 | */ |
2538 | if (nullfb || rt || XFS_FSB_TO_AGNO(mp, ap->rval) == fb_agno) | 2589 | if (nullfb || XFS_FSB_TO_AGNO(mp, ap->rval) == fb_agno) |
2539 | ; | 2590 | ; |
2540 | else | 2591 | else |
2541 | ap->rval = ap->firstblock; | 2592 | ap->rval = ap->firstblock; |
2542 | /* | 2593 | /* |
2543 | * Realtime allocation, done through xfs_rtallocate_extent. | 2594 | * Normal allocation, done through xfs_alloc_vextent. |
2544 | */ | 2595 | */ |
2545 | if (rt) { | 2596 | tryagain = isaligned = 0; |
2546 | #ifndef __KERNEL__ | 2597 | args.tp = ap->tp; |
2547 | ASSERT(0); | 2598 | args.mp = mp; |
2548 | #else | 2599 | args.fsbno = ap->rval; |
2549 | xfs_rtblock_t rtb; | 2600 | args.maxlen = MIN(ap->alen, mp->m_sb.sb_agblocks); |
2550 | 2601 | blen = 0; | |
2551 | atype = ap->rval == 0 ? | 2602 | if (nullfb) { |
2552 | XFS_ALLOCTYPE_ANY_AG : XFS_ALLOCTYPE_NEAR_BNO; | 2603 | args.type = XFS_ALLOCTYPE_START_BNO; |
2553 | do_div(ap->rval, mp->m_sb.sb_rextsize); | 2604 | args.total = ap->total; |
2554 | rtb = ap->rval; | 2605 | /* |
2555 | ap->alen = ralen; | 2606 | * Find the longest available space. |
2556 | if ((error = xfs_rtallocate_extent(ap->tp, ap->rval, 1, ap->alen, | 2607 | * We're going to try for the whole allocation at once. |
2557 | &ralen, atype, ap->wasdel, prod, &rtb))) | 2608 | */ |
2558 | return error; | 2609 | startag = ag = XFS_FSB_TO_AGNO(mp, args.fsbno); |
2559 | if (rtb == NULLFSBLOCK && prod > 1 && | 2610 | notinit = 0; |
2560 | (error = xfs_rtallocate_extent(ap->tp, ap->rval, 1, | 2611 | down_read(&mp->m_peraglock); |
2561 | ap->alen, &ralen, atype, | 2612 | while (blen < ap->alen) { |
2562 | ap->wasdel, 1, &rtb))) | 2613 | pag = &mp->m_perag[ag]; |
2563 | return error; | 2614 | if (!pag->pagf_init && |
2564 | ap->rval = rtb; | 2615 | (error = xfs_alloc_pagf_init(mp, args.tp, |
2565 | if (ap->rval != NULLFSBLOCK) { | 2616 | ag, XFS_ALLOC_FLAG_TRYLOCK))) { |
2566 | ap->rval *= mp->m_sb.sb_rextsize; | 2617 | up_read(&mp->m_peraglock); |
2567 | ralen *= mp->m_sb.sb_rextsize; | 2618 | return error; |
2568 | ap->alen = ralen; | 2619 | } |
2569 | ap->ip->i_d.di_nblocks += ralen; | ||
2570 | xfs_trans_log_inode(ap->tp, ap->ip, XFS_ILOG_CORE); | ||
2571 | if (ap->wasdel) | ||
2572 | ap->ip->i_delayed_blks -= ralen; | ||
2573 | /* | 2620 | /* |
2574 | * Adjust the disk quota also. This was reserved | 2621 | * See xfs_alloc_fix_freelist... |
2575 | * earlier. | ||
2576 | */ | 2622 | */ |
2577 | XFS_TRANS_MOD_DQUOT_BYINO(mp, ap->tp, ap->ip, | 2623 | if (pag->pagf_init) { |
2578 | ap->wasdel ? XFS_TRANS_DQ_DELRTBCOUNT : | 2624 | need = XFS_MIN_FREELIST_PAG(pag, mp); |
2579 | XFS_TRANS_DQ_RTBCOUNT, | 2625 | delta = need > pag->pagf_flcount ? |
2580 | (long) ralen); | 2626 | need - pag->pagf_flcount : 0; |
2581 | } else | 2627 | longest = (pag->pagf_longest > delta) ? |
2582 | ap->alen = 0; | 2628 | (pag->pagf_longest - delta) : |
2583 | #endif /* __KERNEL__ */ | 2629 | (pag->pagf_flcount > 0 || |
2630 | pag->pagf_longest > 0); | ||
2631 | if (blen < longest) | ||
2632 | blen = longest; | ||
2633 | } else | ||
2634 | notinit = 1; | ||
2635 | if (++ag == mp->m_sb.sb_agcount) | ||
2636 | ag = 0; | ||
2637 | if (ag == startag) | ||
2638 | break; | ||
2639 | } | ||
2640 | up_read(&mp->m_peraglock); | ||
2641 | /* | ||
2642 | * Since the above loop did a BUF_TRYLOCK, it is | ||
2643 | * possible that there is space for this request. | ||
2644 | */ | ||
2645 | if (notinit || blen < ap->minlen) | ||
2646 | args.minlen = ap->minlen; | ||
2647 | /* | ||
2648 | * If the best seen length is less than the request | ||
2649 | * length, use the best as the minimum. | ||
2650 | */ | ||
2651 | else if (blen < ap->alen) | ||
2652 | args.minlen = blen; | ||
2653 | /* | ||
2654 | * Otherwise we've seen an extent as big as alen, | ||
2655 | * use that as the minimum. | ||
2656 | */ | ||
2657 | else | ||
2658 | args.minlen = ap->alen; | ||
2659 | } else if (ap->low) { | ||
2660 | args.type = XFS_ALLOCTYPE_FIRST_AG; | ||
2661 | args.total = args.minlen = ap->minlen; | ||
2662 | } else { | ||
2663 | args.type = XFS_ALLOCTYPE_NEAR_BNO; | ||
2664 | args.total = ap->total; | ||
2665 | args.minlen = ap->minlen; | ||
2666 | } | ||
2667 | if (unlikely(ap->userdata && ap->ip->i_d.di_extsize && | ||
2668 | (ap->ip->i_d.di_flags & XFS_DIFLAG_EXTSIZE))) { | ||
2669 | args.prod = ap->ip->i_d.di_extsize; | ||
2670 | if ((args.mod = (xfs_extlen_t)do_mod(ap->off, args.prod))) | ||
2671 | args.mod = (xfs_extlen_t)(args.prod - args.mod); | ||
2672 | } else if (unlikely(mp->m_sb.sb_blocksize >= NBPP)) { | ||
2673 | args.prod = 1; | ||
2674 | args.mod = 0; | ||
2675 | } else { | ||
2676 | args.prod = NBPP >> mp->m_sb.sb_blocklog; | ||
2677 | if ((args.mod = (xfs_extlen_t)(do_mod(ap->off, args.prod)))) | ||
2678 | args.mod = (xfs_extlen_t)(args.prod - args.mod); | ||
2584 | } | 2679 | } |
2585 | /* | 2680 | /* |
2586 | * Normal allocation, done through xfs_alloc_vextent. | 2681 | * If we are not low on available data blocks, and the |
2682 | * underlying logical volume manager is a stripe, and | ||
2683 | * the file offset is zero then try to allocate data | ||
2684 | * blocks on stripe unit boundary. | ||
2685 | * NOTE: ap->aeof is only set if the allocation length | ||
2686 | * is >= the stripe unit and the allocation offset is | ||
2687 | * at the end of file. | ||
2587 | */ | 2688 | */ |
2588 | else { | 2689 | if (!ap->low && ap->aeof) { |
2589 | xfs_agnumber_t ag; | 2690 | if (!ap->off) { |
2590 | xfs_alloc_arg_t args; | 2691 | args.alignment = mp->m_dalign; |
2591 | xfs_extlen_t blen; | 2692 | atype = args.type; |
2592 | xfs_extlen_t delta; | 2693 | isaligned = 1; |
2593 | int isaligned; | ||
2594 | xfs_extlen_t longest; | ||
2595 | xfs_extlen_t need; | ||
2596 | xfs_extlen_t nextminlen=0; | ||
2597 | int notinit; | ||
2598 | xfs_perag_t *pag; | ||
2599 | xfs_agnumber_t startag; | ||
2600 | int tryagain; | ||
2601 | |||
2602 | tryagain = isaligned = 0; | ||
2603 | args.tp = ap->tp; | ||
2604 | args.mp = mp; | ||
2605 | args.fsbno = ap->rval; | ||
2606 | args.maxlen = MIN(ap->alen, mp->m_sb.sb_agblocks); | ||
2607 | blen = 0; | ||
2608 | if (nullfb) { | ||
2609 | args.type = XFS_ALLOCTYPE_START_BNO; | ||
2610 | args.total = ap->total; | ||
2611 | /* | ||
2612 | * Find the longest available space. | ||
2613 | * We're going to try for the whole allocation at once. | ||
2614 | */ | ||
2615 | startag = ag = XFS_FSB_TO_AGNO(mp, args.fsbno); | ||
2616 | notinit = 0; | ||
2617 | down_read(&mp->m_peraglock); | ||
2618 | while (blen < ap->alen) { | ||
2619 | pag = &mp->m_perag[ag]; | ||
2620 | if (!pag->pagf_init && | ||
2621 | (error = xfs_alloc_pagf_init(mp, args.tp, | ||
2622 | ag, XFS_ALLOC_FLAG_TRYLOCK))) { | ||
2623 | up_read(&mp->m_peraglock); | ||
2624 | return error; | ||
2625 | } | ||
2626 | /* | ||
2627 | * See xfs_alloc_fix_freelist... | ||
2628 | */ | ||
2629 | if (pag->pagf_init) { | ||
2630 | need = XFS_MIN_FREELIST_PAG(pag, mp); | ||
2631 | delta = need > pag->pagf_flcount ? | ||
2632 | need - pag->pagf_flcount : 0; | ||
2633 | longest = (pag->pagf_longest > delta) ? | ||
2634 | (pag->pagf_longest - delta) : | ||
2635 | (pag->pagf_flcount > 0 || | ||
2636 | pag->pagf_longest > 0); | ||
2637 | if (blen < longest) | ||
2638 | blen = longest; | ||
2639 | } else | ||
2640 | notinit = 1; | ||
2641 | if (++ag == mp->m_sb.sb_agcount) | ||
2642 | ag = 0; | ||
2643 | if (ag == startag) | ||
2644 | break; | ||
2645 | } | ||
2646 | up_read(&mp->m_peraglock); | ||
2647 | /* | 2694 | /* |
2648 | * Since the above loop did a BUF_TRYLOCK, it is | 2695 | * Adjust for alignment |
2649 | * possible that there is space for this request. | ||
2650 | */ | 2696 | */ |
2651 | if (notinit || blen < ap->minlen) | 2697 | if (blen > args.alignment && blen <= ap->alen) |
2652 | args.minlen = ap->minlen; | 2698 | args.minlen = blen - args.alignment; |
2699 | args.minalignslop = 0; | ||
2700 | } else { | ||
2653 | /* | 2701 | /* |
2654 | * If the best seen length is less than the request | 2702 | * First try an exact bno allocation. |
2655 | * length, use the best as the minimum. | 2703 | * If it fails then do a near or start bno |
2704 | * allocation with alignment turned on. | ||
2656 | */ | 2705 | */ |
2657 | else if (blen < ap->alen) | 2706 | atype = args.type; |
2658 | args.minlen = blen; | 2707 | tryagain = 1; |
2708 | args.type = XFS_ALLOCTYPE_THIS_BNO; | ||
2709 | args.alignment = 1; | ||
2659 | /* | 2710 | /* |
2660 | * Otherwise we've seen an extent as big as alen, | 2711 | * Compute the minlen+alignment for the |
2661 | * use that as the minimum. | 2712 | * next case. Set slop so that the value |
2713 | * of minlen+alignment+slop doesn't go up | ||
2714 | * between the calls. | ||
2662 | */ | 2715 | */ |
2716 | if (blen > mp->m_dalign && blen <= ap->alen) | ||
2717 | nextminlen = blen - mp->m_dalign; | ||
2663 | else | 2718 | else |
2664 | args.minlen = ap->alen; | 2719 | nextminlen = args.minlen; |
2665 | } else if (ap->low) { | 2720 | if (nextminlen + mp->m_dalign > args.minlen + 1) |
2666 | args.type = XFS_ALLOCTYPE_FIRST_AG; | 2721 | args.minalignslop = |
2667 | args.total = args.minlen = ap->minlen; | 2722 | nextminlen + mp->m_dalign - |
2668 | } else { | 2723 | args.minlen - 1; |
2669 | args.type = XFS_ALLOCTYPE_NEAR_BNO; | 2724 | else |
2670 | args.total = ap->total; | 2725 | args.minalignslop = 0; |
2671 | args.minlen = ap->minlen; | ||
2672 | } | ||
2673 | if (unlikely(ap->userdata && ap->ip->i_d.di_extsize && | ||
2674 | (ap->ip->i_d.di_flags & XFS_DIFLAG_EXTSIZE))) { | ||
2675 | args.prod = ap->ip->i_d.di_extsize; | ||
2676 | if ((args.mod = (xfs_extlen_t)do_mod(ap->off, args.prod))) | ||
2677 | args.mod = (xfs_extlen_t)(args.prod - args.mod); | ||
2678 | } else if (unlikely(mp->m_sb.sb_blocksize >= NBPP)) { | ||
2679 | args.prod = 1; | ||
2680 | args.mod = 0; | ||
2681 | } else { | ||
2682 | args.prod = NBPP >> mp->m_sb.sb_blocklog; | ||
2683 | if ((args.mod = (xfs_extlen_t)(do_mod(ap->off, args.prod)))) | ||
2684 | args.mod = (xfs_extlen_t)(args.prod - args.mod); | ||
2685 | } | 2726 | } |
2727 | } else { | ||
2728 | args.alignment = 1; | ||
2729 | args.minalignslop = 0; | ||
2730 | } | ||
2731 | args.minleft = ap->minleft; | ||
2732 | args.wasdel = ap->wasdel; | ||
2733 | args.isfl = 0; | ||
2734 | args.userdata = ap->userdata; | ||
2735 | if ((error = xfs_alloc_vextent(&args))) | ||
2736 | return error; | ||
2737 | if (tryagain && args.fsbno == NULLFSBLOCK) { | ||
2686 | /* | 2738 | /* |
2687 | * If we are not low on available data blocks, and the | 2739 | * Exact allocation failed. Now try with alignment |
2688 | * underlying logical volume manager is a stripe, and | 2740 | * turned on. |
2689 | * the file offset is zero then try to allocate data | ||
2690 | * blocks on stripe unit boundary. | ||
2691 | * NOTE: ap->aeof is only set if the allocation length | ||
2692 | * is >= the stripe unit and the allocation offset is | ||
2693 | * at the end of file. | ||
2694 | */ | 2741 | */ |
2695 | if (!ap->low && ap->aeof) { | 2742 | args.type = atype; |
2696 | if (!ap->off) { | 2743 | args.fsbno = ap->rval; |
2697 | args.alignment = mp->m_dalign; | 2744 | args.alignment = mp->m_dalign; |
2698 | atype = args.type; | 2745 | args.minlen = nextminlen; |
2699 | isaligned = 1; | 2746 | args.minalignslop = 0; |
2700 | /* | 2747 | isaligned = 1; |
2701 | * Adjust for alignment | ||
2702 | */ | ||
2703 | if (blen > args.alignment && blen <= ap->alen) | ||
2704 | args.minlen = blen - args.alignment; | ||
2705 | args.minalignslop = 0; | ||
2706 | } else { | ||
2707 | /* | ||
2708 | * First try an exact bno allocation. | ||
2709 | * If it fails then do a near or start bno | ||
2710 | * allocation with alignment turned on. | ||
2711 | */ | ||
2712 | atype = args.type; | ||
2713 | tryagain = 1; | ||
2714 | args.type = XFS_ALLOCTYPE_THIS_BNO; | ||
2715 | args.alignment = 1; | ||
2716 | /* | ||
2717 | * Compute the minlen+alignment for the | ||
2718 | * next case. Set slop so that the value | ||
2719 | * of minlen+alignment+slop doesn't go up | ||
2720 | * between the calls. | ||
2721 | */ | ||
2722 | if (blen > mp->m_dalign && blen <= ap->alen) | ||
2723 | nextminlen = blen - mp->m_dalign; | ||
2724 | else | ||
2725 | nextminlen = args.minlen; | ||
2726 | if (nextminlen + mp->m_dalign > args.minlen + 1) | ||
2727 | args.minalignslop = | ||
2728 | nextminlen + mp->m_dalign - | ||
2729 | args.minlen - 1; | ||
2730 | else | ||
2731 | args.minalignslop = 0; | ||
2732 | } | ||
2733 | } else { | ||
2734 | args.alignment = 1; | ||
2735 | args.minalignslop = 0; | ||
2736 | } | ||
2737 | args.minleft = ap->minleft; | ||
2738 | args.wasdel = ap->wasdel; | ||
2739 | args.isfl = 0; | ||
2740 | args.userdata = ap->userdata; | ||
2741 | if ((error = xfs_alloc_vextent(&args))) | 2748 | if ((error = xfs_alloc_vextent(&args))) |
2742 | return error; | 2749 | return error; |
2743 | if (tryagain && args.fsbno == NULLFSBLOCK) { | 2750 | } |
2744 | /* | 2751 | if (isaligned && args.fsbno == NULLFSBLOCK) { |
2745 | * Exact allocation failed. Now try with alignment | 2752 | /* |
2746 | * turned on. | 2753 | * allocation failed, so turn off alignment and |
2747 | */ | 2754 | * try again. |
2748 | args.type = atype; | 2755 | */ |
2749 | args.fsbno = ap->rval; | 2756 | args.type = atype; |
2750 | args.alignment = mp->m_dalign; | 2757 | args.fsbno = ap->rval; |
2751 | args.minlen = nextminlen; | 2758 | args.alignment = 0; |
2752 | args.minalignslop = 0; | 2759 | if ((error = xfs_alloc_vextent(&args))) |
2753 | isaligned = 1; | 2760 | return error; |
2754 | if ((error = xfs_alloc_vextent(&args))) | 2761 | } |
2755 | return error; | 2762 | if (args.fsbno == NULLFSBLOCK && nullfb && |
2756 | } | 2763 | args.minlen > ap->minlen) { |
2757 | if (isaligned && args.fsbno == NULLFSBLOCK) { | 2764 | args.minlen = ap->minlen; |
2758 | /* | 2765 | args.type = XFS_ALLOCTYPE_START_BNO; |
2759 | * allocation failed, so turn off alignment and | 2766 | args.fsbno = ap->rval; |
2760 | * try again. | 2767 | if ((error = xfs_alloc_vextent(&args))) |
2761 | */ | 2768 | return error; |
2762 | args.type = atype; | 2769 | } |
2763 | args.fsbno = ap->rval; | 2770 | if (args.fsbno == NULLFSBLOCK && nullfb) { |
2764 | args.alignment = 0; | 2771 | args.fsbno = 0; |
2765 | if ((error = xfs_alloc_vextent(&args))) | 2772 | args.type = XFS_ALLOCTYPE_FIRST_AG; |
2766 | return error; | 2773 | args.total = ap->minlen; |
2767 | } | 2774 | args.minleft = 0; |
2768 | if (args.fsbno == NULLFSBLOCK && nullfb && | 2775 | if ((error = xfs_alloc_vextent(&args))) |
2769 | args.minlen > ap->minlen) { | 2776 | return error; |
2770 | args.minlen = ap->minlen; | 2777 | ap->low = 1; |
2771 | args.type = XFS_ALLOCTYPE_START_BNO; | 2778 | } |
2772 | args.fsbno = ap->rval; | 2779 | if (args.fsbno != NULLFSBLOCK) { |
2773 | if ((error = xfs_alloc_vextent(&args))) | 2780 | ap->firstblock = ap->rval = args.fsbno; |
2774 | return error; | 2781 | ASSERT(nullfb || fb_agno == args.agno || |
2775 | } | 2782 | (ap->low && fb_agno < args.agno)); |
2776 | if (args.fsbno == NULLFSBLOCK && nullfb) { | 2783 | ap->alen = args.len; |
2777 | args.fsbno = 0; | 2784 | ap->ip->i_d.di_nblocks += args.len; |
2778 | args.type = XFS_ALLOCTYPE_FIRST_AG; | 2785 | xfs_trans_log_inode(ap->tp, ap->ip, XFS_ILOG_CORE); |
2779 | args.total = ap->minlen; | 2786 | if (ap->wasdel) |
2780 | args.minleft = 0; | 2787 | ap->ip->i_delayed_blks -= args.len; |
2781 | if ((error = xfs_alloc_vextent(&args))) | 2788 | /* |
2782 | return error; | 2789 | * Adjust the disk quota also. This was reserved |
2783 | ap->low = 1; | 2790 | * earlier. |
2784 | } | 2791 | */ |
2785 | if (args.fsbno != NULLFSBLOCK) { | 2792 | XFS_TRANS_MOD_DQUOT_BYINO(mp, ap->tp, ap->ip, |
2786 | ap->firstblock = ap->rval = args.fsbno; | 2793 | ap->wasdel ? XFS_TRANS_DQ_DELBCOUNT : |
2787 | ASSERT(nullfb || fb_agno == args.agno || | 2794 | XFS_TRANS_DQ_BCOUNT, |
2788 | (ap->low && fb_agno < args.agno)); | 2795 | (long) args.len); |
2789 | ap->alen = args.len; | 2796 | } else { |
2790 | ap->ip->i_d.di_nblocks += args.len; | 2797 | ap->rval = NULLFSBLOCK; |
2791 | xfs_trans_log_inode(ap->tp, ap->ip, XFS_ILOG_CORE); | 2798 | ap->alen = 0; |
2792 | if (ap->wasdel) | ||
2793 | ap->ip->i_delayed_blks -= args.len; | ||
2794 | /* | ||
2795 | * Adjust the disk quota also. This was reserved | ||
2796 | * earlier. | ||
2797 | */ | ||
2798 | XFS_TRANS_MOD_DQUOT_BYINO(mp, ap->tp, ap->ip, | ||
2799 | ap->wasdel ? XFS_TRANS_DQ_DELBCOUNT : | ||
2800 | XFS_TRANS_DQ_BCOUNT, | ||
2801 | (long) args.len); | ||
2802 | } else { | ||
2803 | ap->rval = NULLFSBLOCK; | ||
2804 | ap->alen = 0; | ||
2805 | } | ||
2806 | } | 2799 | } |
2807 | return 0; | 2800 | return 0; |
2808 | #undef ISVALID | 2801 | } |
2802 | |||
2803 | /* | ||
2804 | * xfs_bmap_alloc is called by xfs_bmapi to allocate an extent for a file. | ||
2805 | * It figures out where to ask the underlying allocator to put the new extent. | ||
2806 | */ | ||
2807 | STATIC int | ||
2808 | xfs_bmap_alloc( | ||
2809 | xfs_bmalloca_t *ap) /* bmap alloc argument struct */ | ||
2810 | { | ||
2811 | if ((ap->ip->i_d.di_flags & XFS_DIFLAG_REALTIME) && ap->userdata) | ||
2812 | return xfs_bmap_rtalloc(ap); | ||
2813 | return xfs_bmap_btalloc(ap); | ||
2809 | } | 2814 | } |
2810 | 2815 | ||
2811 | /* | 2816 | /* |
2812 | * Transform a btree format file with only one leaf node, where the | 2817 | * Transform a btree format file with only one leaf node, where the |
2813 | * extents list will fit in the inode, into an extents format file. | 2818 | * extents list will fit in the inode, into an extents format file. |
2814 | * Since the extent list is already in-core, all we have to do is | 2819 | * Since the file extents are already in-core, all we have to do is |
2815 | * give up the space for the btree root and pitch the leaf block. | 2820 | * give up the space for the btree root and pitch the leaf block. |
2816 | */ | 2821 | */ |
2817 | STATIC int /* error */ | 2822 | STATIC int /* error */ |
@@ -2868,7 +2873,7 @@ xfs_bmap_btree_to_extents( | |||
2868 | } | 2873 | } |
2869 | 2874 | ||
2870 | /* | 2875 | /* |
2871 | * Called by xfs_bmapi to update extent list structure and the btree | 2876 | * Called by xfs_bmapi to update file extent records and the btree |
2872 | * after removing space (or undoing a delayed allocation). | 2877 | * after removing space (or undoing a delayed allocation). |
2873 | */ | 2878 | */ |
2874 | STATIC int /* error */ | 2879 | STATIC int /* error */ |
@@ -2878,7 +2883,7 @@ xfs_bmap_del_extent( | |||
2878 | xfs_extnum_t idx, /* extent number to update/delete */ | 2883 | xfs_extnum_t idx, /* extent number to update/delete */ |
2879 | xfs_bmap_free_t *flist, /* list of extents to be freed */ | 2884 | xfs_bmap_free_t *flist, /* list of extents to be freed */ |
2880 | xfs_btree_cur_t *cur, /* if null, not a btree */ | 2885 | xfs_btree_cur_t *cur, /* if null, not a btree */ |
2881 | xfs_bmbt_irec_t *del, /* data to remove from extent list */ | 2886 | xfs_bmbt_irec_t *del, /* data to remove from extents */ |
2882 | int *logflagsp, /* inode logging flags */ | 2887 | int *logflagsp, /* inode logging flags */ |
2883 | int whichfork, /* data or attr fork */ | 2888 | int whichfork, /* data or attr fork */ |
2884 | int rsvd) /* OK to allocate reserved blocks */ | 2889 | int rsvd) /* OK to allocate reserved blocks */ |
@@ -2903,7 +2908,6 @@ xfs_bmap_del_extent( | |||
2903 | xfs_filblks_t nblks; /* quota/sb block count */ | 2908 | xfs_filblks_t nblks; /* quota/sb block count */ |
2904 | xfs_bmbt_irec_t new; /* new record to be inserted */ | 2909 | xfs_bmbt_irec_t new; /* new record to be inserted */ |
2905 | /* REFERENCED */ | 2910 | /* REFERENCED */ |
2906 | xfs_extnum_t nextents; /* number of extents in list */ | ||
2907 | uint qfield; /* quota field to update */ | 2911 | uint qfield; /* quota field to update */ |
2908 | xfs_filblks_t temp; /* for indirect length calculations */ | 2912 | xfs_filblks_t temp; /* for indirect length calculations */ |
2909 | xfs_filblks_t temp2; /* for indirect length calculations */ | 2913 | xfs_filblks_t temp2; /* for indirect length calculations */ |
@@ -2911,10 +2915,10 @@ xfs_bmap_del_extent( | |||
2911 | XFS_STATS_INC(xs_del_exlist); | 2915 | XFS_STATS_INC(xs_del_exlist); |
2912 | mp = ip->i_mount; | 2916 | mp = ip->i_mount; |
2913 | ifp = XFS_IFORK_PTR(ip, whichfork); | 2917 | ifp = XFS_IFORK_PTR(ip, whichfork); |
2914 | nextents = ifp->if_bytes / (uint)sizeof(xfs_bmbt_rec_t); | 2918 | ASSERT((idx >= 0) && (idx < ifp->if_bytes / |
2915 | ASSERT(idx >= 0 && idx < nextents); | 2919 | (uint)sizeof(xfs_bmbt_rec_t))); |
2916 | ASSERT(del->br_blockcount > 0); | 2920 | ASSERT(del->br_blockcount > 0); |
2917 | ep = &ifp->if_u1.if_extents[idx]; | 2921 | ep = xfs_iext_get_ext(ifp, idx); |
2918 | xfs_bmbt_get_all(ep, &got); | 2922 | xfs_bmbt_get_all(ep, &got); |
2919 | ASSERT(got.br_startoff <= del->br_startoff); | 2923 | ASSERT(got.br_startoff <= del->br_startoff); |
2920 | del_endoff = del->br_startoff + del->br_blockcount; | 2924 | del_endoff = del->br_startoff + del->br_blockcount; |
@@ -2990,7 +2994,7 @@ xfs_bmap_del_extent( | |||
2990 | * Matches the whole extent. Delete the entry. | 2994 | * Matches the whole extent. Delete the entry. |
2991 | */ | 2995 | */ |
2992 | xfs_bmap_trace_delete(fname, "3", ip, idx, 1, whichfork); | 2996 | xfs_bmap_trace_delete(fname, "3", ip, idx, 1, whichfork); |
2993 | xfs_bmap_delete_exlist(ip, idx, 1, whichfork); | 2997 | xfs_iext_remove(ifp, idx, 1); |
2994 | ifp->if_lastex = idx; | 2998 | ifp->if_lastex = idx; |
2995 | if (delay) | 2999 | if (delay) |
2996 | break; | 3000 | break; |
@@ -3160,7 +3164,7 @@ xfs_bmap_del_extent( | |||
3160 | xfs_bmap_trace_post_update(fname, "0", ip, idx, whichfork); | 3164 | xfs_bmap_trace_post_update(fname, "0", ip, idx, whichfork); |
3161 | xfs_bmap_trace_insert(fname, "0", ip, idx + 1, 1, &new, NULL, | 3165 | xfs_bmap_trace_insert(fname, "0", ip, idx + 1, 1, &new, NULL, |
3162 | whichfork); | 3166 | whichfork); |
3163 | xfs_bmap_insert_exlist(ip, idx + 1, 1, &new, whichfork); | 3167 | xfs_iext_insert(ifp, idx + 1, 1, &new); |
3164 | ifp->if_lastex = idx + 1; | 3168 | ifp->if_lastex = idx + 1; |
3165 | break; | 3169 | break; |
3166 | } | 3170 | } |
@@ -3213,31 +3217,6 @@ xfs_bmap_del_free( | |||
3213 | } | 3217 | } |
3214 | 3218 | ||
3215 | /* | 3219 | /* |
3216 | * Remove count entries from the extents array for inode "ip", starting | ||
3217 | * at index "idx". Copies the remaining items down over the deleted ones, | ||
3218 | * and gives back the excess memory. | ||
3219 | */ | ||
3220 | STATIC void | ||
3221 | xfs_bmap_delete_exlist( | ||
3222 | xfs_inode_t *ip, /* incore inode pointer */ | ||
3223 | xfs_extnum_t idx, /* starting delete index */ | ||
3224 | xfs_extnum_t count, /* count of items to delete */ | ||
3225 | int whichfork) /* data or attr fork */ | ||
3226 | { | ||
3227 | xfs_bmbt_rec_t *base; /* base of extent list */ | ||
3228 | xfs_ifork_t *ifp; /* inode fork pointer */ | ||
3229 | xfs_extnum_t nextents; /* number of extents in list after */ | ||
3230 | |||
3231 | ifp = XFS_IFORK_PTR(ip, whichfork); | ||
3232 | ASSERT(ifp->if_flags & XFS_IFEXTENTS); | ||
3233 | base = ifp->if_u1.if_extents; | ||
3234 | nextents = ifp->if_bytes / (uint)sizeof(xfs_bmbt_rec_t) - count; | ||
3235 | memmove(&base[idx], &base[idx + count], | ||
3236 | (nextents - idx) * sizeof(*base)); | ||
3237 | xfs_iext_realloc(ip, -count, whichfork); | ||
3238 | } | ||
3239 | |||
3240 | /* | ||
3241 | * Convert an extents-format file into a btree-format file. | 3220 | * Convert an extents-format file into a btree-format file. |
3242 | * The new file will have a root block (in the inode) and a single child block. | 3221 | * The new file will have a root block (in the inode) and a single child block. |
3243 | */ | 3222 | */ |
@@ -3258,13 +3237,13 @@ xfs_bmap_extents_to_btree( | |||
3258 | xfs_bmbt_rec_t *arp; /* child record pointer */ | 3237 | xfs_bmbt_rec_t *arp; /* child record pointer */ |
3259 | xfs_bmbt_block_t *block; /* btree root block */ | 3238 | xfs_bmbt_block_t *block; /* btree root block */ |
3260 | xfs_btree_cur_t *cur; /* bmap btree cursor */ | 3239 | xfs_btree_cur_t *cur; /* bmap btree cursor */ |
3261 | xfs_bmbt_rec_t *ep; /* extent list pointer */ | 3240 | xfs_bmbt_rec_t *ep; /* extent record pointer */ |
3262 | int error; /* error return value */ | 3241 | int error; /* error return value */ |
3263 | xfs_extnum_t i, cnt; /* extent list index */ | 3242 | xfs_extnum_t i, cnt; /* extent record index */ |
3264 | xfs_ifork_t *ifp; /* inode fork pointer */ | 3243 | xfs_ifork_t *ifp; /* inode fork pointer */ |
3265 | xfs_bmbt_key_t *kp; /* root block key pointer */ | 3244 | xfs_bmbt_key_t *kp; /* root block key pointer */ |
3266 | xfs_mount_t *mp; /* mount structure */ | 3245 | xfs_mount_t *mp; /* mount structure */ |
3267 | xfs_extnum_t nextents; /* extent list size */ | 3246 | xfs_extnum_t nextents; /* number of file extents */ |
3268 | xfs_bmbt_ptr_t *pp; /* root block address pointer */ | 3247 | xfs_bmbt_ptr_t *pp; /* root block address pointer */ |
3269 | 3248 | ||
3270 | ifp = XFS_IFORK_PTR(ip, whichfork); | 3249 | ifp = XFS_IFORK_PTR(ip, whichfork); |
@@ -3343,7 +3322,8 @@ xfs_bmap_extents_to_btree( | |||
3343 | ablock->bb_rightsib = cpu_to_be64(NULLDFSBNO); | 3322 | ablock->bb_rightsib = cpu_to_be64(NULLDFSBNO); |
3344 | arp = XFS_BMAP_REC_IADDR(ablock, 1, cur); | 3323 | arp = XFS_BMAP_REC_IADDR(ablock, 1, cur); |
3345 | nextents = ifp->if_bytes / (uint)sizeof(xfs_bmbt_rec_t); | 3324 | nextents = ifp->if_bytes / (uint)sizeof(xfs_bmbt_rec_t); |
3346 | for (ep = ifp->if_u1.if_extents, cnt = i = 0; i < nextents; i++, ep++) { | 3325 | for (cnt = i = 0; i < nextents; i++) { |
3326 | ep = xfs_iext_get_ext(ifp, i); | ||
3347 | if (!ISNULLSTARTBLOCK(xfs_bmbt_get_startblock(ep))) { | 3327 | if (!ISNULLSTARTBLOCK(xfs_bmbt_get_startblock(ep))) { |
3348 | arp->l0 = INT_GET(ep->l0, ARCH_CONVERT); | 3328 | arp->l0 = INT_GET(ep->l0, ARCH_CONVERT); |
3349 | arp->l1 = INT_GET(ep->l1, ARCH_CONVERT); | 3329 | arp->l1 = INT_GET(ep->l1, ARCH_CONVERT); |
@@ -3373,34 +3353,6 @@ xfs_bmap_extents_to_btree( | |||
3373 | } | 3353 | } |
3374 | 3354 | ||
3375 | /* | 3355 | /* |
3376 | * Insert new item(s) in the extent list for inode "ip". | ||
3377 | * Count new items are inserted at offset idx. | ||
3378 | */ | ||
3379 | STATIC void | ||
3380 | xfs_bmap_insert_exlist( | ||
3381 | xfs_inode_t *ip, /* incore inode pointer */ | ||
3382 | xfs_extnum_t idx, /* starting index of new items */ | ||
3383 | xfs_extnum_t count, /* number of inserted items */ | ||
3384 | xfs_bmbt_irec_t *new, /* items to insert */ | ||
3385 | int whichfork) /* data or attr fork */ | ||
3386 | { | ||
3387 | xfs_bmbt_rec_t *base; /* extent list base */ | ||
3388 | xfs_ifork_t *ifp; /* inode fork pointer */ | ||
3389 | xfs_extnum_t nextents; /* extent list size */ | ||
3390 | xfs_extnum_t to; /* extent list index */ | ||
3391 | |||
3392 | ifp = XFS_IFORK_PTR(ip, whichfork); | ||
3393 | ASSERT(ifp->if_flags & XFS_IFEXTENTS); | ||
3394 | xfs_iext_realloc(ip, count, whichfork); | ||
3395 | base = ifp->if_u1.if_extents; | ||
3396 | nextents = ifp->if_bytes / (uint)sizeof(xfs_bmbt_rec_t); | ||
3397 | memmove(&base[idx + count], &base[idx], | ||
3398 | (nextents - (idx + count)) * sizeof(*base)); | ||
3399 | for (to = idx; to < idx + count; to++, new++) | ||
3400 | xfs_bmbt_set_all(&base[to], new); | ||
3401 | } | ||
3402 | |||
3403 | /* | ||
3404 | * Helper routine to reset inode di_forkoff field when switching | 3356 | * Helper routine to reset inode di_forkoff field when switching |
3405 | * attribute fork from local to extent format - we reset it where | 3357 | * attribute fork from local to extent format - we reset it where |
3406 | * possible to make space available for inline data fork extents. | 3358 | * possible to make space available for inline data fork extents. |
@@ -3457,12 +3409,13 @@ xfs_bmap_local_to_extents( | |||
3457 | error = 0; | 3409 | error = 0; |
3458 | if (ifp->if_bytes) { | 3410 | if (ifp->if_bytes) { |
3459 | xfs_alloc_arg_t args; /* allocation arguments */ | 3411 | xfs_alloc_arg_t args; /* allocation arguments */ |
3460 | xfs_buf_t *bp; /* buffer for extent list block */ | 3412 | xfs_buf_t *bp; /* buffer for extent block */ |
3461 | xfs_bmbt_rec_t *ep; /* extent list pointer */ | 3413 | xfs_bmbt_rec_t *ep; /* extent record pointer */ |
3462 | 3414 | ||
3463 | args.tp = tp; | 3415 | args.tp = tp; |
3464 | args.mp = ip->i_mount; | 3416 | args.mp = ip->i_mount; |
3465 | ASSERT(ifp->if_flags & XFS_IFINLINE); | 3417 | ASSERT((ifp->if_flags & |
3418 | (XFS_IFINLINE|XFS_IFEXTENTS|XFS_IFEXTIREC)) == XFS_IFINLINE); | ||
3466 | /* | 3419 | /* |
3467 | * Allocate a block. We know we need only one, since the | 3420 | * Allocate a block. We know we need only one, since the |
3468 | * file currently fits in an inode. | 3421 | * file currently fits in an inode. |
@@ -3492,8 +3445,8 @@ xfs_bmap_local_to_extents( | |||
3492 | xfs_trans_log_buf(tp, bp, 0, ifp->if_bytes - 1); | 3445 | xfs_trans_log_buf(tp, bp, 0, ifp->if_bytes - 1); |
3493 | xfs_bmap_forkoff_reset(args.mp, ip, whichfork); | 3446 | xfs_bmap_forkoff_reset(args.mp, ip, whichfork); |
3494 | xfs_idata_realloc(ip, -ifp->if_bytes, whichfork); | 3447 | xfs_idata_realloc(ip, -ifp->if_bytes, whichfork); |
3495 | xfs_iext_realloc(ip, 1, whichfork); | 3448 | xfs_iext_add(ifp, 0, 1); |
3496 | ep = ifp->if_u1.if_extents; | 3449 | ep = xfs_iext_get_ext(ifp, 0); |
3497 | xfs_bmbt_set_allf(ep, 0, args.fsbno, 1, XFS_EXT_NORM); | 3450 | xfs_bmbt_set_allf(ep, 0, args.fsbno, 1, XFS_EXT_NORM); |
3498 | xfs_bmap_trace_post_update(fname, "new", ip, 0, whichfork); | 3451 | xfs_bmap_trace_post_update(fname, "new", ip, 0, whichfork); |
3499 | XFS_IFORK_NEXT_SET(ip, whichfork, 1); | 3452 | XFS_IFORK_NEXT_SET(ip, whichfork, 1); |
@@ -3514,110 +3467,54 @@ done: | |||
3514 | return error; | 3467 | return error; |
3515 | } | 3468 | } |
3516 | 3469 | ||
3470 | /* | ||
3471 | * Search the extent records for the entry containing block bno. | ||
3472 | * If bno lies in a hole, point to the next entry. If bno lies | ||
3473 | * past eof, *eofp will be set, and *prevp will contain the last | ||
3474 | * entry (null if none). Else, *lastxp will be set to the index | ||
3475 | * of the found entry; *gotp will contain the entry. | ||
3476 | */ | ||
3517 | xfs_bmbt_rec_t * /* pointer to found extent entry */ | 3477 | xfs_bmbt_rec_t * /* pointer to found extent entry */ |
3518 | xfs_bmap_do_search_extents( | 3478 | xfs_bmap_search_multi_extents( |
3519 | xfs_bmbt_rec_t *base, /* base of extent list */ | 3479 | xfs_ifork_t *ifp, /* inode fork pointer */ |
3520 | xfs_extnum_t lastx, /* last extent index used */ | ||
3521 | xfs_extnum_t nextents, /* extent list size */ | ||
3522 | xfs_fileoff_t bno, /* block number searched for */ | 3480 | xfs_fileoff_t bno, /* block number searched for */ |
3523 | int *eofp, /* out: end of file found */ | 3481 | int *eofp, /* out: end of file found */ |
3524 | xfs_extnum_t *lastxp, /* out: last extent index */ | 3482 | xfs_extnum_t *lastxp, /* out: last extent index */ |
3525 | xfs_bmbt_irec_t *gotp, /* out: extent entry found */ | 3483 | xfs_bmbt_irec_t *gotp, /* out: extent entry found */ |
3526 | xfs_bmbt_irec_t *prevp) /* out: previous extent entry found */ | 3484 | xfs_bmbt_irec_t *prevp) /* out: previous extent entry found */ |
3527 | { | 3485 | { |
3528 | xfs_bmbt_rec_t *ep; /* extent list entry pointer */ | 3486 | xfs_bmbt_rec_t *ep; /* extent record pointer */ |
3529 | xfs_bmbt_irec_t got; /* extent list entry, decoded */ | 3487 | xfs_extnum_t lastx; /* last extent index */ |
3530 | int high; /* high index of binary search */ | ||
3531 | int low; /* low index of binary search */ | ||
3532 | 3488 | ||
3533 | /* | 3489 | /* |
3534 | * Initialize the extent entry structure to catch access to | 3490 | * Initialize the extent entry structure to catch access to |
3535 | * uninitialized br_startblock field. | 3491 | * uninitialized br_startblock field. |
3536 | */ | 3492 | */ |
3537 | got.br_startoff = 0xffa5a5a5a5a5a5a5LL; | 3493 | gotp->br_startoff = 0xffa5a5a5a5a5a5a5LL; |
3538 | got.br_blockcount = 0xa55a5a5a5a5a5a5aLL; | 3494 | gotp->br_blockcount = 0xa55a5a5a5a5a5a5aLL; |
3539 | got.br_state = XFS_EXT_INVALID; | 3495 | gotp->br_state = XFS_EXT_INVALID; |
3540 | |||
3541 | #if XFS_BIG_BLKNOS | 3496 | #if XFS_BIG_BLKNOS |
3542 | got.br_startblock = 0xffffa5a5a5a5a5a5LL; | 3497 | gotp->br_startblock = 0xffffa5a5a5a5a5a5LL; |
3543 | #else | 3498 | #else |
3544 | got.br_startblock = 0xffffa5a5; | 3499 | gotp->br_startblock = 0xffffa5a5; |
3545 | #endif | 3500 | #endif |
3546 | |||
3547 | if (lastx != NULLEXTNUM && lastx < nextents) | ||
3548 | ep = base + lastx; | ||
3549 | else | ||
3550 | ep = NULL; | ||
3551 | prevp->br_startoff = NULLFILEOFF; | 3501 | prevp->br_startoff = NULLFILEOFF; |
3552 | if (ep && bno >= (got.br_startoff = xfs_bmbt_get_startoff(ep)) && | 3502 | |
3553 | bno < got.br_startoff + | 3503 | ep = xfs_iext_bno_to_ext(ifp, bno, &lastx); |
3554 | (got.br_blockcount = xfs_bmbt_get_blockcount(ep))) | 3504 | if (lastx > 0) { |
3555 | *eofp = 0; | 3505 | xfs_bmbt_get_all(xfs_iext_get_ext(ifp, lastx - 1), prevp); |
3556 | else if (ep && lastx < nextents - 1 && | 3506 | } |
3557 | bno >= (got.br_startoff = xfs_bmbt_get_startoff(ep + 1)) && | 3507 | if (lastx < (ifp->if_bytes / (uint)sizeof(xfs_bmbt_rec_t))) { |
3558 | bno < got.br_startoff + | 3508 | xfs_bmbt_get_all(ep, gotp); |
3559 | (got.br_blockcount = xfs_bmbt_get_blockcount(ep + 1))) { | ||
3560 | lastx++; | ||
3561 | ep++; | ||
3562 | *eofp = 0; | ||
3563 | } else if (nextents == 0) | ||
3564 | *eofp = 1; | ||
3565 | else if (bno == 0 && | ||
3566 | (got.br_startoff = xfs_bmbt_get_startoff(base)) == 0) { | ||
3567 | ep = base; | ||
3568 | lastx = 0; | ||
3569 | got.br_blockcount = xfs_bmbt_get_blockcount(ep); | ||
3570 | *eofp = 0; | 3509 | *eofp = 0; |
3571 | } else { | 3510 | } else { |
3572 | /* binary search the extents array */ | 3511 | if (lastx > 0) { |
3573 | low = 0; | 3512 | *gotp = *prevp; |
3574 | high = nextents - 1; | ||
3575 | while (low <= high) { | ||
3576 | XFS_STATS_INC(xs_cmp_exlist); | ||
3577 | lastx = (low + high) >> 1; | ||
3578 | ep = base + lastx; | ||
3579 | got.br_startoff = xfs_bmbt_get_startoff(ep); | ||
3580 | got.br_blockcount = xfs_bmbt_get_blockcount(ep); | ||
3581 | if (bno < got.br_startoff) | ||
3582 | high = lastx - 1; | ||
3583 | else if (bno >= got.br_startoff + got.br_blockcount) | ||
3584 | low = lastx + 1; | ||
3585 | else { | ||
3586 | got.br_startblock = xfs_bmbt_get_startblock(ep); | ||
3587 | got.br_state = xfs_bmbt_get_state(ep); | ||
3588 | *eofp = 0; | ||
3589 | *lastxp = lastx; | ||
3590 | *gotp = got; | ||
3591 | return ep; | ||
3592 | } | ||
3593 | } | ||
3594 | if (bno >= got.br_startoff + got.br_blockcount) { | ||
3595 | lastx++; | ||
3596 | if (lastx == nextents) { | ||
3597 | *eofp = 1; | ||
3598 | got.br_startblock = xfs_bmbt_get_startblock(ep); | ||
3599 | got.br_state = xfs_bmbt_get_state(ep); | ||
3600 | *prevp = got; | ||
3601 | ep = NULL; | ||
3602 | } else { | ||
3603 | *eofp = 0; | ||
3604 | xfs_bmbt_get_all(ep, prevp); | ||
3605 | ep++; | ||
3606 | got.br_startoff = xfs_bmbt_get_startoff(ep); | ||
3607 | got.br_blockcount = xfs_bmbt_get_blockcount(ep); | ||
3608 | } | ||
3609 | } else { | ||
3610 | *eofp = 0; | ||
3611 | if (ep > base) | ||
3612 | xfs_bmbt_get_all(ep - 1, prevp); | ||
3613 | } | 3513 | } |
3614 | } | 3514 | *eofp = 1; |
3615 | if (ep) { | 3515 | ep = NULL; |
3616 | got.br_startblock = xfs_bmbt_get_startblock(ep); | ||
3617 | got.br_state = xfs_bmbt_get_state(ep); | ||
3618 | } | 3516 | } |
3619 | *lastxp = lastx; | 3517 | *lastxp = lastx; |
3620 | *gotp = got; | ||
3621 | return ep; | 3518 | return ep; |
3622 | } | 3519 | } |
3623 | 3520 | ||
@@ -3639,20 +3536,14 @@ xfs_bmap_search_extents( | |||
3639 | xfs_bmbt_irec_t *prevp) /* out: previous extent entry found */ | 3536 | xfs_bmbt_irec_t *prevp) /* out: previous extent entry found */ |
3640 | { | 3537 | { |
3641 | xfs_ifork_t *ifp; /* inode fork pointer */ | 3538 | xfs_ifork_t *ifp; /* inode fork pointer */ |
3642 | xfs_bmbt_rec_t *base; /* base of extent list */ | 3539 | xfs_bmbt_rec_t *ep; /* extent record pointer */ |
3643 | xfs_extnum_t lastx; /* last extent index used */ | ||
3644 | xfs_extnum_t nextents; /* extent list size */ | ||
3645 | xfs_bmbt_rec_t *ep; /* extent list entry pointer */ | ||
3646 | int rt; /* realtime flag */ | 3540 | int rt; /* realtime flag */ |
3647 | 3541 | ||
3648 | XFS_STATS_INC(xs_look_exlist); | 3542 | XFS_STATS_INC(xs_look_exlist); |
3649 | ifp = XFS_IFORK_PTR(ip, whichfork); | 3543 | ifp = XFS_IFORK_PTR(ip, whichfork); |
3650 | lastx = ifp->if_lastex; | ||
3651 | nextents = ifp->if_bytes / (uint)sizeof(xfs_bmbt_rec_t); | ||
3652 | base = &ifp->if_u1.if_extents[0]; | ||
3653 | 3544 | ||
3654 | ep = xfs_bmap_do_search_extents(base, lastx, nextents, bno, eofp, | 3545 | ep = xfs_bmap_search_multi_extents(ifp, bno, eofp, lastxp, gotp, prevp); |
3655 | lastxp, gotp, prevp); | 3546 | |
3656 | rt = (whichfork == XFS_DATA_FORK) && XFS_IS_REALTIME_INODE(ip); | 3547 | rt = (whichfork == XFS_DATA_FORK) && XFS_IS_REALTIME_INODE(ip); |
3657 | if (unlikely(!rt && !gotp->br_startblock && (*lastxp != NULLEXTNUM))) { | 3548 | if (unlikely(!rt && !gotp->br_startblock && (*lastxp != NULLEXTNUM))) { |
3658 | cmn_err(CE_PANIC,"Access to block zero: fs: <%s> inode: %lld " | 3549 | cmn_err(CE_PANIC,"Access to block zero: fs: <%s> inode: %lld " |
@@ -3732,7 +3623,7 @@ xfs_bmap_trace_addentry( | |||
3732 | } | 3623 | } |
3733 | 3624 | ||
3734 | /* | 3625 | /* |
3735 | * Add bmap trace entry prior to a call to xfs_bmap_delete_exlist. | 3626 | * Add bmap trace entry prior to a call to xfs_iext_remove. |
3736 | */ | 3627 | */ |
3737 | STATIC void | 3628 | STATIC void |
3738 | xfs_bmap_trace_delete( | 3629 | xfs_bmap_trace_delete( |
@@ -3747,13 +3638,13 @@ xfs_bmap_trace_delete( | |||
3747 | 3638 | ||
3748 | ifp = XFS_IFORK_PTR(ip, whichfork); | 3639 | ifp = XFS_IFORK_PTR(ip, whichfork); |
3749 | xfs_bmap_trace_addentry(XFS_BMAP_KTRACE_DELETE, fname, desc, ip, idx, | 3640 | xfs_bmap_trace_addentry(XFS_BMAP_KTRACE_DELETE, fname, desc, ip, idx, |
3750 | cnt, &ifp->if_u1.if_extents[idx], | 3641 | cnt, xfs_iext_get_ext(ifp, idx), |
3751 | cnt == 2 ? &ifp->if_u1.if_extents[idx + 1] : NULL, | 3642 | cnt == 2 ? xfs_iext_get_ext(ifp, idx + 1) : NULL, |
3752 | whichfork); | 3643 | whichfork); |
3753 | } | 3644 | } |
3754 | 3645 | ||
3755 | /* | 3646 | /* |
3756 | * Add bmap trace entry prior to a call to xfs_bmap_insert_exlist, or | 3647 | * Add bmap trace entry prior to a call to xfs_iext_insert, or |
3757 | * reading in the extents list from the disk (in the btree). | 3648 | * reading in the extents list from the disk (in the btree). |
3758 | */ | 3649 | */ |
3759 | STATIC void | 3650 | STATIC void |
@@ -3783,7 +3674,7 @@ xfs_bmap_trace_insert( | |||
3783 | } | 3674 | } |
3784 | 3675 | ||
3785 | /* | 3676 | /* |
3786 | * Add bmap trace entry after updating an extent list entry in place. | 3677 | * Add bmap trace entry after updating an extent record in place. |
3787 | */ | 3678 | */ |
3788 | STATIC void | 3679 | STATIC void |
3789 | xfs_bmap_trace_post_update( | 3680 | xfs_bmap_trace_post_update( |
@@ -3797,11 +3688,11 @@ xfs_bmap_trace_post_update( | |||
3797 | 3688 | ||
3798 | ifp = XFS_IFORK_PTR(ip, whichfork); | 3689 | ifp = XFS_IFORK_PTR(ip, whichfork); |
3799 | xfs_bmap_trace_addentry(XFS_BMAP_KTRACE_POST_UP, fname, desc, ip, idx, | 3690 | xfs_bmap_trace_addentry(XFS_BMAP_KTRACE_POST_UP, fname, desc, ip, idx, |
3800 | 1, &ifp->if_u1.if_extents[idx], NULL, whichfork); | 3691 | 1, xfs_iext_get_ext(ifp, idx), NULL, whichfork); |
3801 | } | 3692 | } |
3802 | 3693 | ||
3803 | /* | 3694 | /* |
3804 | * Add bmap trace entry prior to updating an extent list entry in place. | 3695 | * Add bmap trace entry prior to updating an extent record in place. |
3805 | */ | 3696 | */ |
3806 | STATIC void | 3697 | STATIC void |
3807 | xfs_bmap_trace_pre_update( | 3698 | xfs_bmap_trace_pre_update( |
@@ -3815,7 +3706,7 @@ xfs_bmap_trace_pre_update( | |||
3815 | 3706 | ||
3816 | ifp = XFS_IFORK_PTR(ip, whichfork); | 3707 | ifp = XFS_IFORK_PTR(ip, whichfork); |
3817 | xfs_bmap_trace_addentry(XFS_BMAP_KTRACE_PRE_UP, fname, desc, ip, idx, 1, | 3708 | xfs_bmap_trace_addentry(XFS_BMAP_KTRACE_PRE_UP, fname, desc, ip, idx, 1, |
3818 | &ifp->if_u1.if_extents[idx], NULL, whichfork); | 3709 | xfs_iext_get_ext(ifp, idx), NULL, whichfork); |
3819 | } | 3710 | } |
3820 | #endif /* XFS_BMAP_TRACE */ | 3711 | #endif /* XFS_BMAP_TRACE */ |
3821 | 3712 | ||
@@ -3892,7 +3783,7 @@ xfs_bmap_add_attrfork( | |||
3892 | int rsvd) /* xact may use reserved blks */ | 3783 | int rsvd) /* xact may use reserved blks */ |
3893 | { | 3784 | { |
3894 | xfs_fsblock_t firstblock; /* 1st block/ag allocated */ | 3785 | xfs_fsblock_t firstblock; /* 1st block/ag allocated */ |
3895 | xfs_bmap_free_t flist; /* freed extent list */ | 3786 | xfs_bmap_free_t flist; /* freed extent records */ |
3896 | xfs_mount_t *mp; /* mount structure */ | 3787 | xfs_mount_t *mp; /* mount structure */ |
3897 | xfs_trans_t *tp; /* transaction pointer */ | 3788 | xfs_trans_t *tp; /* transaction pointer */ |
3898 | unsigned long s; /* spinlock spl value */ | 3789 | unsigned long s; /* spinlock spl value */ |
@@ -4146,7 +4037,7 @@ xfs_bmap_finish( | |||
4146 | xfs_efd_log_item_t *efd; /* extent free data */ | 4037 | xfs_efd_log_item_t *efd; /* extent free data */ |
4147 | xfs_efi_log_item_t *efi; /* extent free intention */ | 4038 | xfs_efi_log_item_t *efi; /* extent free intention */ |
4148 | int error; /* error return value */ | 4039 | int error; /* error return value */ |
4149 | xfs_bmap_free_item_t *free; /* free extent list item */ | 4040 | xfs_bmap_free_item_t *free; /* free extent item */ |
4150 | unsigned int logres; /* new log reservation */ | 4041 | unsigned int logres; /* new log reservation */ |
4151 | unsigned int logcount; /* new log count */ | 4042 | unsigned int logcount; /* new log count */ |
4152 | xfs_mount_t *mp; /* filesystem mount structure */ | 4043 | xfs_mount_t *mp; /* filesystem mount structure */ |
@@ -4242,9 +4133,9 @@ xfs_bmap_first_unused( | |||
4242 | xfs_fileoff_t *first_unused, /* unused block */ | 4133 | xfs_fileoff_t *first_unused, /* unused block */ |
4243 | int whichfork) /* data or attr fork */ | 4134 | int whichfork) /* data or attr fork */ |
4244 | { | 4135 | { |
4245 | xfs_bmbt_rec_t *base; /* base of extent array */ | ||
4246 | xfs_bmbt_rec_t *ep; /* pointer to an extent entry */ | 4136 | xfs_bmbt_rec_t *ep; /* pointer to an extent entry */ |
4247 | int error; /* error return value */ | 4137 | int error; /* error return value */ |
4138 | int idx; /* extent record index */ | ||
4248 | xfs_ifork_t *ifp; /* inode fork pointer */ | 4139 | xfs_ifork_t *ifp; /* inode fork pointer */ |
4249 | xfs_fileoff_t lastaddr; /* last block number seen */ | 4140 | xfs_fileoff_t lastaddr; /* last block number seen */ |
4250 | xfs_fileoff_t lowest; /* lowest useful block */ | 4141 | xfs_fileoff_t lowest; /* lowest useful block */ |
@@ -4265,10 +4156,8 @@ xfs_bmap_first_unused( | |||
4265 | return error; | 4156 | return error; |
4266 | lowest = *first_unused; | 4157 | lowest = *first_unused; |
4267 | nextents = ifp->if_bytes / (uint)sizeof(xfs_bmbt_rec_t); | 4158 | nextents = ifp->if_bytes / (uint)sizeof(xfs_bmbt_rec_t); |
4268 | base = &ifp->if_u1.if_extents[0]; | 4159 | for (idx = 0, lastaddr = 0, max = lowest; idx < nextents; idx++) { |
4269 | for (lastaddr = 0, max = lowest, ep = base; | 4160 | ep = xfs_iext_get_ext(ifp, idx); |
4270 | ep < &base[nextents]; | ||
4271 | ep++) { | ||
4272 | off = xfs_bmbt_get_startoff(ep); | 4161 | off = xfs_bmbt_get_startoff(ep); |
4273 | /* | 4162 | /* |
4274 | * See if the hole before this extent will work. | 4163 | * See if the hole before this extent will work. |
@@ -4287,8 +4176,8 @@ xfs_bmap_first_unused( | |||
4287 | /* | 4176 | /* |
4288 | * Returns the file-relative block number of the last block + 1 before | 4177 | * Returns the file-relative block number of the last block + 1 before |
4289 | * last_block (input value) in the file. | 4178 | * last_block (input value) in the file. |
4290 | * This is not based on i_size, it is based on the extent list. | 4179 | * This is not based on i_size, it is based on the extent records. |
4291 | * Returns 0 for local files, as they do not have an extent list. | 4180 | * Returns 0 for local files, as they do not have extent records. |
4292 | */ | 4181 | */ |
4293 | int /* error */ | 4182 | int /* error */ |
4294 | xfs_bmap_last_before( | 4183 | xfs_bmap_last_before( |
@@ -4335,8 +4224,8 @@ xfs_bmap_last_before( | |||
4335 | 4224 | ||
4336 | /* | 4225 | /* |
4337 | * Returns the file-relative block number of the first block past eof in | 4226 | * Returns the file-relative block number of the first block past eof in |
4338 | * the file. This is not based on i_size, it is based on the extent list. | 4227 | * the file. This is not based on i_size, it is based on the extent records. |
4339 | * Returns 0 for local files, as they do not have an extent list. | 4228 | * Returns 0 for local files, as they do not have extent records. |
4340 | */ | 4229 | */ |
4341 | int /* error */ | 4230 | int /* error */ |
4342 | xfs_bmap_last_offset( | 4231 | xfs_bmap_last_offset( |
@@ -4345,7 +4234,6 @@ xfs_bmap_last_offset( | |||
4345 | xfs_fileoff_t *last_block, /* last block */ | 4234 | xfs_fileoff_t *last_block, /* last block */ |
4346 | int whichfork) /* data or attr fork */ | 4235 | int whichfork) /* data or attr fork */ |
4347 | { | 4236 | { |
4348 | xfs_bmbt_rec_t *base; /* base of extent array */ | ||
4349 | xfs_bmbt_rec_t *ep; /* pointer to last extent */ | 4237 | xfs_bmbt_rec_t *ep; /* pointer to last extent */ |
4350 | int error; /* error return value */ | 4238 | int error; /* error return value */ |
4351 | xfs_ifork_t *ifp; /* inode fork pointer */ | 4239 | xfs_ifork_t *ifp; /* inode fork pointer */ |
@@ -4368,9 +4256,7 @@ xfs_bmap_last_offset( | |||
4368 | *last_block = 0; | 4256 | *last_block = 0; |
4369 | return 0; | 4257 | return 0; |
4370 | } | 4258 | } |
4371 | base = &ifp->if_u1.if_extents[0]; | 4259 | ep = xfs_iext_get_ext(ifp, nextents - 1); |
4372 | ASSERT(base != NULL); | ||
4373 | ep = &base[nextents - 1]; | ||
4374 | *last_block = xfs_bmbt_get_startoff(ep) + xfs_bmbt_get_blockcount(ep); | 4260 | *last_block = xfs_bmbt_get_startoff(ep) + xfs_bmbt_get_blockcount(ep); |
4375 | return 0; | 4261 | return 0; |
4376 | } | 4262 | } |
@@ -4400,7 +4286,7 @@ xfs_bmap_one_block( | |||
4400 | return 0; | 4286 | return 0; |
4401 | ifp = XFS_IFORK_PTR(ip, whichfork); | 4287 | ifp = XFS_IFORK_PTR(ip, whichfork); |
4402 | ASSERT(ifp->if_flags & XFS_IFEXTENTS); | 4288 | ASSERT(ifp->if_flags & XFS_IFEXTENTS); |
4403 | ep = ifp->if_u1.if_extents; | 4289 | ep = xfs_iext_get_ext(ifp, 0); |
4404 | xfs_bmbt_get_all(ep, &s); | 4290 | xfs_bmbt_get_all(ep, &s); |
4405 | rval = s.br_startoff == 0 && s.br_blockcount == 1; | 4291 | rval = s.br_startoff == 0 && s.br_blockcount == 1; |
4406 | if (rval && whichfork == XFS_DATA_FORK) | 4292 | if (rval && whichfork == XFS_DATA_FORK) |
@@ -4435,7 +4321,6 @@ xfs_bmap_read_extents( | |||
4435 | xfs_bmbt_ptr_t *pp; /* pointer to block address */ | 4321 | xfs_bmbt_ptr_t *pp; /* pointer to block address */ |
4436 | /* REFERENCED */ | 4322 | /* REFERENCED */ |
4437 | xfs_extnum_t room; /* number of entries there's room for */ | 4323 | xfs_extnum_t room; /* number of entries there's room for */ |
4438 | xfs_bmbt_rec_t *trp; /* target record pointer */ | ||
4439 | 4324 | ||
4440 | bno = NULLFSBLOCK; | 4325 | bno = NULLFSBLOCK; |
4441 | mp = ip->i_mount; | 4326 | mp = ip->i_mount; |
@@ -4478,16 +4363,16 @@ xfs_bmap_read_extents( | |||
4478 | /* | 4363 | /* |
4479 | * Here with bp and block set to the leftmost leaf node in the tree. | 4364 | * Here with bp and block set to the leftmost leaf node in the tree. |
4480 | */ | 4365 | */ |
4481 | room = ifp->if_bytes / (uint)sizeof(*trp); | 4366 | room = ifp->if_bytes / (uint)sizeof(xfs_bmbt_rec_t); |
4482 | trp = ifp->if_u1.if_extents; | ||
4483 | i = 0; | 4367 | i = 0; |
4484 | /* | 4368 | /* |
4485 | * Loop over all leaf nodes. Copy information to the extent list. | 4369 | * Loop over all leaf nodes. Copy information to the extent records. |
4486 | */ | 4370 | */ |
4487 | for (;;) { | 4371 | for (;;) { |
4488 | xfs_bmbt_rec_t *frp, *temp; | 4372 | xfs_bmbt_rec_t *frp, *trp; |
4489 | xfs_fsblock_t nextbno; | 4373 | xfs_fsblock_t nextbno; |
4490 | xfs_extnum_t num_recs; | 4374 | xfs_extnum_t num_recs; |
4375 | xfs_extnum_t start; | ||
4491 | 4376 | ||
4492 | 4377 | ||
4493 | num_recs = be16_to_cpu(block->bb_numrecs); | 4378 | num_recs = be16_to_cpu(block->bb_numrecs); |
@@ -4511,12 +4396,13 @@ xfs_bmap_read_extents( | |||
4511 | if (nextbno != NULLFSBLOCK) | 4396 | if (nextbno != NULLFSBLOCK) |
4512 | xfs_btree_reada_bufl(mp, nextbno, 1); | 4397 | xfs_btree_reada_bufl(mp, nextbno, 1); |
4513 | /* | 4398 | /* |
4514 | * Copy records into the extent list. | 4399 | * Copy records into the extent records. |
4515 | */ | 4400 | */ |
4516 | frp = XFS_BTREE_REC_ADDR(mp->m_sb.sb_blocksize, xfs_bmbt, | 4401 | frp = XFS_BTREE_REC_ADDR(mp->m_sb.sb_blocksize, xfs_bmbt, |
4517 | block, 1, mp->m_bmap_dmxr[0]); | 4402 | block, 1, mp->m_bmap_dmxr[0]); |
4518 | temp = trp; | 4403 | start = i; |
4519 | for (j = 0; j < num_recs; j++, frp++, trp++) { | 4404 | for (j = 0; j < num_recs; j++, i++, frp++) { |
4405 | trp = xfs_iext_get_ext(ifp, i); | ||
4520 | trp->l0 = INT_GET(frp->l0, ARCH_CONVERT); | 4406 | trp->l0 = INT_GET(frp->l0, ARCH_CONVERT); |
4521 | trp->l1 = INT_GET(frp->l1, ARCH_CONVERT); | 4407 | trp->l1 = INT_GET(frp->l1, ARCH_CONVERT); |
4522 | } | 4408 | } |
@@ -4526,14 +4412,14 @@ xfs_bmap_read_extents( | |||
4526 | * any "older" data bmap btree records for a | 4412 | * any "older" data bmap btree records for a |
4527 | * set bit in the "extent flag" position. | 4413 | * set bit in the "extent flag" position. |
4528 | */ | 4414 | */ |
4529 | if (unlikely(xfs_check_nostate_extents(temp, num_recs))) { | 4415 | if (unlikely(xfs_check_nostate_extents(ifp, |
4416 | start, num_recs))) { | ||
4530 | XFS_ERROR_REPORT("xfs_bmap_read_extents(2)", | 4417 | XFS_ERROR_REPORT("xfs_bmap_read_extents(2)", |
4531 | XFS_ERRLEVEL_LOW, | 4418 | XFS_ERRLEVEL_LOW, |
4532 | ip->i_mount); | 4419 | ip->i_mount); |
4533 | goto error0; | 4420 | goto error0; |
4534 | } | 4421 | } |
4535 | } | 4422 | } |
4536 | i += num_recs; | ||
4537 | xfs_trans_brelse(tp, bp); | 4423 | xfs_trans_brelse(tp, bp); |
4538 | bno = nextbno; | 4424 | bno = nextbno; |
4539 | /* | 4425 | /* |
@@ -4546,7 +4432,7 @@ xfs_bmap_read_extents( | |||
4546 | return error; | 4432 | return error; |
4547 | block = XFS_BUF_TO_BMBT_BLOCK(bp); | 4433 | block = XFS_BUF_TO_BMBT_BLOCK(bp); |
4548 | } | 4434 | } |
4549 | ASSERT(i == ifp->if_bytes / (uint)sizeof(*trp)); | 4435 | ASSERT(i == (ifp->if_bytes / (uint)sizeof(xfs_bmbt_rec_t))); |
4550 | ASSERT(i == XFS_IFORK_NEXTENTS(ip, whichfork)); | 4436 | ASSERT(i == XFS_IFORK_NEXTENTS(ip, whichfork)); |
4551 | xfs_bmap_trace_exlist(fname, ip, i, whichfork); | 4437 | xfs_bmap_trace_exlist(fname, ip, i, whichfork); |
4552 | return 0; | 4438 | return 0; |
@@ -4557,7 +4443,7 @@ error0: | |||
4557 | 4443 | ||
4558 | #ifdef XFS_BMAP_TRACE | 4444 | #ifdef XFS_BMAP_TRACE |
4559 | /* | 4445 | /* |
4560 | * Add bmap trace insert entries for all the contents of the extent list. | 4446 | * Add bmap trace insert entries for all the contents of the extent records. |
4561 | */ | 4447 | */ |
4562 | void | 4448 | void |
4563 | xfs_bmap_trace_exlist( | 4449 | xfs_bmap_trace_exlist( |
@@ -4566,16 +4452,15 @@ xfs_bmap_trace_exlist( | |||
4566 | xfs_extnum_t cnt, /* count of entries in the list */ | 4452 | xfs_extnum_t cnt, /* count of entries in the list */ |
4567 | int whichfork) /* data or attr fork */ | 4453 | int whichfork) /* data or attr fork */ |
4568 | { | 4454 | { |
4569 | xfs_bmbt_rec_t *base; /* base of extent list */ | 4455 | xfs_bmbt_rec_t *ep; /* current extent record */ |
4570 | xfs_bmbt_rec_t *ep; /* current entry in extent list */ | 4456 | xfs_extnum_t idx; /* extent record index */ |
4571 | xfs_extnum_t idx; /* extent list entry number */ | ||
4572 | xfs_ifork_t *ifp; /* inode fork pointer */ | 4457 | xfs_ifork_t *ifp; /* inode fork pointer */ |
4573 | xfs_bmbt_irec_t s; /* extent list record */ | 4458 | xfs_bmbt_irec_t s; /* file extent record */ |
4574 | 4459 | ||
4575 | ifp = XFS_IFORK_PTR(ip, whichfork); | 4460 | ifp = XFS_IFORK_PTR(ip, whichfork); |
4576 | ASSERT(cnt == ifp->if_bytes / (uint)sizeof(*base)); | 4461 | ASSERT(cnt == (ifp->if_bytes / (uint)sizeof(xfs_bmbt_rec_t))); |
4577 | base = ifp->if_u1.if_extents; | 4462 | for (idx = 0; idx < cnt; idx++) { |
4578 | for (idx = 0, ep = base; idx < cnt; idx++, ep++) { | 4463 | ep = xfs_iext_get_ext(ifp, idx); |
4579 | xfs_bmbt_get_all(ep, &s); | 4464 | xfs_bmbt_get_all(ep, &s); |
4580 | xfs_bmap_trace_insert(fname, "exlist", ip, idx, 1, &s, NULL, | 4465 | xfs_bmap_trace_insert(fname, "exlist", ip, idx, 1, &s, NULL, |
4581 | whichfork); | 4466 | whichfork); |
@@ -4661,14 +4546,10 @@ xfs_bmapi( | |||
4661 | xfs_bmalloca_t bma; /* args for xfs_bmap_alloc */ | 4546 | xfs_bmalloca_t bma; /* args for xfs_bmap_alloc */ |
4662 | xfs_btree_cur_t *cur; /* bmap btree cursor */ | 4547 | xfs_btree_cur_t *cur; /* bmap btree cursor */ |
4663 | xfs_fileoff_t end; /* end of mapped file region */ | 4548 | xfs_fileoff_t end; /* end of mapped file region */ |
4664 | int eof; /* we've hit the end of extent list */ | 4549 | int eof; /* we've hit the end of extents */ |
4665 | char contig; /* allocation must be one extent */ | 4550 | xfs_bmbt_rec_t *ep; /* extent record pointer */ |
4666 | char delay; /* this request is for delayed alloc */ | ||
4667 | char exact; /* don't do all of wasdelayed extent */ | ||
4668 | char convert; /* unwritten extent I/O completion */ | ||
4669 | xfs_bmbt_rec_t *ep; /* extent list entry pointer */ | ||
4670 | int error; /* error return */ | 4551 | int error; /* error return */ |
4671 | xfs_bmbt_irec_t got; /* current extent list record */ | 4552 | xfs_bmbt_irec_t got; /* current file extent record */ |
4672 | xfs_ifork_t *ifp; /* inode fork pointer */ | 4553 | xfs_ifork_t *ifp; /* inode fork pointer */ |
4673 | xfs_extlen_t indlen; /* indirect blocks length */ | 4554 | xfs_extlen_t indlen; /* indirect blocks length */ |
4674 | xfs_extnum_t lastx; /* last useful extent number */ | 4555 | xfs_extnum_t lastx; /* last useful extent number */ |
@@ -4680,17 +4561,13 @@ xfs_bmapi( | |||
4680 | int nallocs; /* number of extents alloc\'d */ | 4561 | int nallocs; /* number of extents alloc\'d */ |
4681 | xfs_extnum_t nextents; /* number of extents in file */ | 4562 | xfs_extnum_t nextents; /* number of extents in file */ |
4682 | xfs_fileoff_t obno; /* old block number (offset) */ | 4563 | xfs_fileoff_t obno; /* old block number (offset) */ |
4683 | xfs_bmbt_irec_t prev; /* previous extent list record */ | 4564 | xfs_bmbt_irec_t prev; /* previous file extent record */ |
4684 | int tmp_logflags; /* temp flags holder */ | 4565 | int tmp_logflags; /* temp flags holder */ |
4685 | int whichfork; /* data or attr fork */ | 4566 | int whichfork; /* data or attr fork */ |
4686 | char inhole; /* current location is hole in file */ | 4567 | char inhole; /* current location is hole in file */ |
4687 | char stateless; /* ignore state flag set */ | ||
4688 | char trim; /* output trimmed to match range */ | ||
4689 | char userdata; /* allocating non-metadata */ | ||
4690 | char wasdelay; /* old extent was delayed */ | 4568 | char wasdelay; /* old extent was delayed */ |
4691 | char wr; /* this is a write request */ | 4569 | char wr; /* this is a write request */ |
4692 | char rt; /* this is a realtime file */ | 4570 | char rt; /* this is a realtime file */ |
4693 | char rsvd; /* OK to allocate reserved blocks */ | ||
4694 | #ifdef DEBUG | 4571 | #ifdef DEBUG |
4695 | xfs_fileoff_t orig_bno; /* original block number value */ | 4572 | xfs_fileoff_t orig_bno; /* original block number value */ |
4696 | int orig_flags; /* original flags arg value */ | 4573 | int orig_flags; /* original flags arg value */ |
@@ -4727,15 +4604,8 @@ xfs_bmapi( | |||
4727 | XFS_STATS_INC(xs_blk_mapw); | 4604 | XFS_STATS_INC(xs_blk_mapw); |
4728 | else | 4605 | else |
4729 | XFS_STATS_INC(xs_blk_mapr); | 4606 | XFS_STATS_INC(xs_blk_mapr); |
4730 | delay = (flags & XFS_BMAPI_DELAY) != 0; | ||
4731 | trim = (flags & XFS_BMAPI_ENTIRE) == 0; | ||
4732 | userdata = (flags & XFS_BMAPI_METADATA) == 0; | ||
4733 | convert = (flags & XFS_BMAPI_CONVERT) != 0; | ||
4734 | exact = (flags & XFS_BMAPI_EXACT) != 0; | ||
4735 | rsvd = (flags & XFS_BMAPI_RSVBLOCKS) != 0; | ||
4736 | contig = (flags & XFS_BMAPI_CONTIG) != 0; | ||
4737 | /* | 4607 | /* |
4738 | * stateless is used to combine extents which | 4608 | * IGSTATE flag is used to combine extents which |
4739 | * differ only due to the state of the extents. | 4609 | * differ only due to the state of the extents. |
4740 | * This technique is used from xfs_getbmap() | 4610 | * This technique is used from xfs_getbmap() |
4741 | * when the caller does not wish to see the | 4611 | * when the caller does not wish to see the |
@@ -4751,10 +4621,9 @@ xfs_bmapi( | |||
4751 | * xfs_strat_comp(), where the xfs_bmapi() call | 4621 | * xfs_strat_comp(), where the xfs_bmapi() call |
4752 | * is transactioned, and the extents combined. | 4622 | * is transactioned, and the extents combined. |
4753 | */ | 4623 | */ |
4754 | stateless = (flags & XFS_BMAPI_IGSTATE) != 0; | 4624 | if ((flags & XFS_BMAPI_IGSTATE) && wr) /* if writing unwritten space */ |
4755 | if (stateless && wr) /* if writing unwritten space, no */ | 4625 | wr = 0; /* no allocations are allowed */ |
4756 | wr = 0; /* allocations are allowed */ | 4626 | ASSERT(wr || !(flags & XFS_BMAPI_DELAY)); |
4757 | ASSERT(wr || !delay); | ||
4758 | logflags = 0; | 4627 | logflags = 0; |
4759 | nallocs = 0; | 4628 | nallocs = 0; |
4760 | cur = NULL; | 4629 | cur = NULL; |
@@ -4789,7 +4658,7 @@ xfs_bmapi( | |||
4789 | if (eof && !wr) | 4658 | if (eof && !wr) |
4790 | got.br_startoff = end; | 4659 | got.br_startoff = end; |
4791 | inhole = eof || got.br_startoff > bno; | 4660 | inhole = eof || got.br_startoff > bno; |
4792 | wasdelay = wr && !inhole && !delay && | 4661 | wasdelay = wr && !inhole && !(flags & XFS_BMAPI_DELAY) && |
4793 | ISNULLSTARTBLOCK(got.br_startblock); | 4662 | ISNULLSTARTBLOCK(got.br_startblock); |
4794 | /* | 4663 | /* |
4795 | * First, deal with the hole before the allocated space | 4664 | * First, deal with the hole before the allocated space |
@@ -4801,11 +4670,11 @@ xfs_bmapi( | |||
4801 | * allocate the stuff asked for in this bmap call | 4670 | * allocate the stuff asked for in this bmap call |
4802 | * but that wouldn't be as good. | 4671 | * but that wouldn't be as good. |
4803 | */ | 4672 | */ |
4804 | if (wasdelay && !exact) { | 4673 | if (wasdelay && !(flags & XFS_BMAPI_EXACT)) { |
4805 | alen = (xfs_extlen_t)got.br_blockcount; | 4674 | alen = (xfs_extlen_t)got.br_blockcount; |
4806 | aoff = got.br_startoff; | 4675 | aoff = got.br_startoff; |
4807 | if (lastx != NULLEXTNUM && lastx) { | 4676 | if (lastx != NULLEXTNUM && lastx) { |
4808 | ep = &ifp->if_u1.if_extents[lastx - 1]; | 4677 | ep = xfs_iext_get_ext(ifp, lastx - 1); |
4809 | xfs_bmbt_get_all(ep, &prev); | 4678 | xfs_bmbt_get_all(ep, &prev); |
4810 | } | 4679 | } |
4811 | } else if (wasdelay) { | 4680 | } else if (wasdelay) { |
@@ -4823,8 +4692,8 @@ xfs_bmapi( | |||
4823 | got.br_startoff - bno); | 4692 | got.br_startoff - bno); |
4824 | aoff = bno; | 4693 | aoff = bno; |
4825 | } | 4694 | } |
4826 | minlen = contig ? alen : 1; | 4695 | minlen = (flags & XFS_BMAPI_CONTIG) ? alen : 1; |
4827 | if (delay) { | 4696 | if (flags & XFS_BMAPI_DELAY) { |
4828 | xfs_extlen_t extsz; | 4697 | xfs_extlen_t extsz; |
4829 | 4698 | ||
4830 | /* Figure out the extent size, adjust alen */ | 4699 | /* Figure out the extent size, adjust alen */ |
@@ -4837,7 +4706,9 @@ xfs_bmapi( | |||
4837 | if (extsz) { | 4706 | if (extsz) { |
4838 | error = xfs_bmap_extsize_align(mp, | 4707 | error = xfs_bmap_extsize_align(mp, |
4839 | &got, &prev, extsz, | 4708 | &got, &prev, extsz, |
4840 | rt, eof, delay, convert, | 4709 | rt, eof, |
4710 | flags&XFS_BMAPI_DELAY, | ||
4711 | flags&XFS_BMAPI_CONVERT, | ||
4841 | &aoff, &alen); | 4712 | &aoff, &alen); |
4842 | ASSERT(!error); | 4713 | ASSERT(!error); |
4843 | } | 4714 | } |
@@ -4875,24 +4746,29 @@ xfs_bmapi( | |||
4875 | if (rt) { | 4746 | if (rt) { |
4876 | error = xfs_mod_incore_sb(mp, | 4747 | error = xfs_mod_incore_sb(mp, |
4877 | XFS_SBS_FREXTENTS, | 4748 | XFS_SBS_FREXTENTS, |
4878 | -(extsz), rsvd); | 4749 | -(extsz), (flags & |
4750 | XFS_BMAPI_RSVBLOCKS)); | ||
4879 | } else { | 4751 | } else { |
4880 | error = xfs_mod_incore_sb(mp, | 4752 | error = xfs_mod_incore_sb(mp, |
4881 | XFS_SBS_FDBLOCKS, | 4753 | XFS_SBS_FDBLOCKS, |
4882 | -(alen), rsvd); | 4754 | -(alen), (flags & |
4755 | XFS_BMAPI_RSVBLOCKS)); | ||
4883 | } | 4756 | } |
4884 | if (!error) { | 4757 | if (!error) { |
4885 | error = xfs_mod_incore_sb(mp, | 4758 | error = xfs_mod_incore_sb(mp, |
4886 | XFS_SBS_FDBLOCKS, | 4759 | XFS_SBS_FDBLOCKS, |
4887 | -(indlen), rsvd); | 4760 | -(indlen), (flags & |
4761 | XFS_BMAPI_RSVBLOCKS)); | ||
4888 | if (error && rt) | 4762 | if (error && rt) |
4889 | xfs_mod_incore_sb(mp, | 4763 | xfs_mod_incore_sb(mp, |
4890 | XFS_SBS_FREXTENTS, | 4764 | XFS_SBS_FREXTENTS, |
4891 | extsz, rsvd); | 4765 | extsz, (flags & |
4766 | XFS_BMAPI_RSVBLOCKS)); | ||
4892 | else if (error) | 4767 | else if (error) |
4893 | xfs_mod_incore_sb(mp, | 4768 | xfs_mod_incore_sb(mp, |
4894 | XFS_SBS_FDBLOCKS, | 4769 | XFS_SBS_FDBLOCKS, |
4895 | alen, rsvd); | 4770 | alen, (flags & |
4771 | XFS_BMAPI_RSVBLOCKS)); | ||
4896 | } | 4772 | } |
4897 | 4773 | ||
4898 | if (error) { | 4774 | if (error) { |
@@ -4925,7 +4801,7 @@ xfs_bmapi( | |||
4925 | /* Indicate if this is the first user data | 4801 | /* Indicate if this is the first user data |
4926 | * in the file, or just any user data. | 4802 | * in the file, or just any user data. |
4927 | */ | 4803 | */ |
4928 | if (userdata) { | 4804 | if (!(flags & XFS_BMAPI_METADATA)) { |
4929 | bma.userdata = (aoff == 0) ? | 4805 | bma.userdata = (aoff == 0) ? |
4930 | XFS_ALLOC_INITIAL_USER_DATA : | 4806 | XFS_ALLOC_INITIAL_USER_DATA : |
4931 | XFS_ALLOC_USERDATA; | 4807 | XFS_ALLOC_USERDATA; |
@@ -4937,7 +4813,7 @@ xfs_bmapi( | |||
4937 | bma.firstblock = *firstblock; | 4813 | bma.firstblock = *firstblock; |
4938 | bma.alen = alen; | 4814 | bma.alen = alen; |
4939 | bma.off = aoff; | 4815 | bma.off = aoff; |
4940 | bma.conv = convert; | 4816 | bma.conv = (flags & XFS_BMAPI_CONVERT); |
4941 | bma.wasdel = wasdelay; | 4817 | bma.wasdel = wasdelay; |
4942 | bma.minlen = minlen; | 4818 | bma.minlen = minlen; |
4943 | bma.low = flist->xbf_low; | 4819 | bma.low = flist->xbf_low; |
@@ -4948,7 +4824,8 @@ xfs_bmapi( | |||
4948 | * is larger than a stripe unit. | 4824 | * is larger than a stripe unit. |
4949 | */ | 4825 | */ |
4950 | if (mp->m_dalign && alen >= mp->m_dalign && | 4826 | if (mp->m_dalign && alen >= mp->m_dalign && |
4951 | userdata && whichfork == XFS_DATA_FORK) { | 4827 | (!(flags & XFS_BMAPI_METADATA)) && |
4828 | (whichfork == XFS_DATA_FORK)) { | ||
4952 | if ((error = xfs_bmap_isaeof(ip, aoff, | 4829 | if ((error = xfs_bmap_isaeof(ip, aoff, |
4953 | whichfork, &bma.aeof))) | 4830 | whichfork, &bma.aeof))) |
4954 | goto error0; | 4831 | goto error0; |
@@ -5011,19 +4888,19 @@ xfs_bmapi( | |||
5011 | } | 4888 | } |
5012 | error = xfs_bmap_add_extent(ip, lastx, &cur, &got, | 4889 | error = xfs_bmap_add_extent(ip, lastx, &cur, &got, |
5013 | firstblock, flist, &tmp_logflags, whichfork, | 4890 | firstblock, flist, &tmp_logflags, whichfork, |
5014 | rsvd); | 4891 | (flags & XFS_BMAPI_RSVBLOCKS)); |
5015 | logflags |= tmp_logflags; | 4892 | logflags |= tmp_logflags; |
5016 | if (error) | 4893 | if (error) |
5017 | goto error0; | 4894 | goto error0; |
5018 | lastx = ifp->if_lastex; | 4895 | lastx = ifp->if_lastex; |
5019 | ep = &ifp->if_u1.if_extents[lastx]; | 4896 | ep = xfs_iext_get_ext(ifp, lastx); |
5020 | nextents = ifp->if_bytes / (uint)sizeof(xfs_bmbt_rec_t); | 4897 | nextents = ifp->if_bytes / (uint)sizeof(xfs_bmbt_rec_t); |
5021 | xfs_bmbt_get_all(ep, &got); | 4898 | xfs_bmbt_get_all(ep, &got); |
5022 | ASSERT(got.br_startoff <= aoff); | 4899 | ASSERT(got.br_startoff <= aoff); |
5023 | ASSERT(got.br_startoff + got.br_blockcount >= | 4900 | ASSERT(got.br_startoff + got.br_blockcount >= |
5024 | aoff + alen); | 4901 | aoff + alen); |
5025 | #ifdef DEBUG | 4902 | #ifdef DEBUG |
5026 | if (delay) { | 4903 | if (flags & XFS_BMAPI_DELAY) { |
5027 | ASSERT(ISNULLSTARTBLOCK(got.br_startblock)); | 4904 | ASSERT(ISNULLSTARTBLOCK(got.br_startblock)); |
5028 | ASSERT(STARTBLOCKVAL(got.br_startblock) > 0); | 4905 | ASSERT(STARTBLOCKVAL(got.br_startblock) > 0); |
5029 | } | 4906 | } |
@@ -5052,14 +4929,15 @@ xfs_bmapi( | |||
5052 | * Then deal with the allocated space we found. | 4929 | * Then deal with the allocated space we found. |
5053 | */ | 4930 | */ |
5054 | ASSERT(ep != NULL); | 4931 | ASSERT(ep != NULL); |
5055 | if (trim && (got.br_startoff + got.br_blockcount > obno)) { | 4932 | if (!(flags & XFS_BMAPI_ENTIRE) && |
4933 | (got.br_startoff + got.br_blockcount > obno)) { | ||
5056 | if (obno > bno) | 4934 | if (obno > bno) |
5057 | bno = obno; | 4935 | bno = obno; |
5058 | ASSERT((bno >= obno) || (n == 0)); | 4936 | ASSERT((bno >= obno) || (n == 0)); |
5059 | ASSERT(bno < end); | 4937 | ASSERT(bno < end); |
5060 | mval->br_startoff = bno; | 4938 | mval->br_startoff = bno; |
5061 | if (ISNULLSTARTBLOCK(got.br_startblock)) { | 4939 | if (ISNULLSTARTBLOCK(got.br_startblock)) { |
5062 | ASSERT(!wr || delay); | 4940 | ASSERT(!wr || (flags & XFS_BMAPI_DELAY)); |
5063 | mval->br_startblock = DELAYSTARTBLOCK; | 4941 | mval->br_startblock = DELAYSTARTBLOCK; |
5064 | } else | 4942 | } else |
5065 | mval->br_startblock = | 4943 | mval->br_startblock = |
@@ -5081,7 +4959,7 @@ xfs_bmapi( | |||
5081 | } else { | 4959 | } else { |
5082 | *mval = got; | 4960 | *mval = got; |
5083 | if (ISNULLSTARTBLOCK(mval->br_startblock)) { | 4961 | if (ISNULLSTARTBLOCK(mval->br_startblock)) { |
5084 | ASSERT(!wr || delay); | 4962 | ASSERT(!wr || (flags & XFS_BMAPI_DELAY)); |
5085 | mval->br_startblock = DELAYSTARTBLOCK; | 4963 | mval->br_startblock = DELAYSTARTBLOCK; |
5086 | } | 4964 | } |
5087 | } | 4965 | } |
@@ -5107,12 +4985,12 @@ xfs_bmapi( | |||
5107 | mval->br_state = XFS_EXT_NORM; | 4985 | mval->br_state = XFS_EXT_NORM; |
5108 | error = xfs_bmap_add_extent(ip, lastx, &cur, mval, | 4986 | error = xfs_bmap_add_extent(ip, lastx, &cur, mval, |
5109 | firstblock, flist, &tmp_logflags, whichfork, | 4987 | firstblock, flist, &tmp_logflags, whichfork, |
5110 | rsvd); | 4988 | (flags & XFS_BMAPI_RSVBLOCKS)); |
5111 | logflags |= tmp_logflags; | 4989 | logflags |= tmp_logflags; |
5112 | if (error) | 4990 | if (error) |
5113 | goto error0; | 4991 | goto error0; |
5114 | lastx = ifp->if_lastex; | 4992 | lastx = ifp->if_lastex; |
5115 | ep = &ifp->if_u1.if_extents[lastx]; | 4993 | ep = xfs_iext_get_ext(ifp, lastx); |
5116 | nextents = ifp->if_bytes / (uint)sizeof(xfs_bmbt_rec_t); | 4994 | nextents = ifp->if_bytes / (uint)sizeof(xfs_bmbt_rec_t); |
5117 | xfs_bmbt_get_all(ep, &got); | 4995 | xfs_bmbt_get_all(ep, &got); |
5118 | /* | 4996 | /* |
@@ -5124,9 +5002,10 @@ xfs_bmapi( | |||
5124 | continue; | 5002 | continue; |
5125 | } | 5003 | } |
5126 | 5004 | ||
5127 | ASSERT(!trim || | 5005 | ASSERT((flags & XFS_BMAPI_ENTIRE) || |
5128 | ((mval->br_startoff + mval->br_blockcount) <= end)); | 5006 | ((mval->br_startoff + mval->br_blockcount) <= end)); |
5129 | ASSERT(!trim || (mval->br_blockcount <= len) || | 5007 | ASSERT((flags & XFS_BMAPI_ENTIRE) || |
5008 | (mval->br_blockcount <= len) || | ||
5130 | (mval->br_startoff < obno)); | 5009 | (mval->br_startoff < obno)); |
5131 | bno = mval->br_startoff + mval->br_blockcount; | 5010 | bno = mval->br_startoff + mval->br_blockcount; |
5132 | len = end - bno; | 5011 | len = end - bno; |
@@ -5141,7 +5020,8 @@ xfs_bmapi( | |||
5141 | mval[-1].br_startblock != HOLESTARTBLOCK && | 5020 | mval[-1].br_startblock != HOLESTARTBLOCK && |
5142 | mval->br_startblock == | 5021 | mval->br_startblock == |
5143 | mval[-1].br_startblock + mval[-1].br_blockcount && | 5022 | mval[-1].br_startblock + mval[-1].br_blockcount && |
5144 | (stateless || mval[-1].br_state == mval->br_state)) { | 5023 | ((flags & XFS_BMAPI_IGSTATE) || |
5024 | mval[-1].br_state == mval->br_state)) { | ||
5145 | ASSERT(mval->br_startoff == | 5025 | ASSERT(mval->br_startoff == |
5146 | mval[-1].br_startoff + mval[-1].br_blockcount); | 5026 | mval[-1].br_startoff + mval[-1].br_blockcount); |
5147 | mval[-1].br_blockcount += mval->br_blockcount; | 5027 | mval[-1].br_blockcount += mval->br_blockcount; |
@@ -5168,8 +5048,7 @@ xfs_bmapi( | |||
5168 | /* | 5048 | /* |
5169 | * Else go on to the next record. | 5049 | * Else go on to the next record. |
5170 | */ | 5050 | */ |
5171 | ep++; | 5051 | ep = xfs_iext_get_ext(ifp, ++lastx); |
5172 | lastx++; | ||
5173 | if (lastx >= nextents) { | 5052 | if (lastx >= nextents) { |
5174 | eof = 1; | 5053 | eof = 1; |
5175 | prev = got; | 5054 | prev = got; |
@@ -5199,7 +5078,7 @@ xfs_bmapi( | |||
5199 | error0: | 5078 | error0: |
5200 | /* | 5079 | /* |
5201 | * Log everything. Do this after conversion, there's no point in | 5080 | * Log everything. Do this after conversion, there's no point in |
5202 | * logging the extent list if we've converted to btree format. | 5081 | * logging the extent records if we've converted to btree format. |
5203 | */ | 5082 | */ |
5204 | if ((logflags & XFS_ILOG_FEXT(whichfork)) && | 5083 | if ((logflags & XFS_ILOG_FEXT(whichfork)) && |
5205 | XFS_IFORK_FORMAT(ip, whichfork) != XFS_DINODE_FMT_EXTENTS) | 5084 | XFS_IFORK_FORMAT(ip, whichfork) != XFS_DINODE_FMT_EXTENTS) |
@@ -5252,12 +5131,12 @@ xfs_bmapi_single( | |||
5252 | xfs_fsblock_t *fsb, /* output: mapped block */ | 5131 | xfs_fsblock_t *fsb, /* output: mapped block */ |
5253 | xfs_fileoff_t bno) /* starting file offs. mapped */ | 5132 | xfs_fileoff_t bno) /* starting file offs. mapped */ |
5254 | { | 5133 | { |
5255 | int eof; /* we've hit the end of extent list */ | 5134 | int eof; /* we've hit the end of extents */ |
5256 | int error; /* error return */ | 5135 | int error; /* error return */ |
5257 | xfs_bmbt_irec_t got; /* current extent list record */ | 5136 | xfs_bmbt_irec_t got; /* current file extent record */ |
5258 | xfs_ifork_t *ifp; /* inode fork pointer */ | 5137 | xfs_ifork_t *ifp; /* inode fork pointer */ |
5259 | xfs_extnum_t lastx; /* last useful extent number */ | 5138 | xfs_extnum_t lastx; /* last useful extent number */ |
5260 | xfs_bmbt_irec_t prev; /* previous extent list record */ | 5139 | xfs_bmbt_irec_t prev; /* previous file extent record */ |
5261 | 5140 | ||
5262 | ifp = XFS_IFORK_PTR(ip, whichfork); | 5141 | ifp = XFS_IFORK_PTR(ip, whichfork); |
5263 | if (unlikely( | 5142 | if (unlikely( |
@@ -5312,18 +5191,18 @@ xfs_bunmapi( | |||
5312 | xfs_btree_cur_t *cur; /* bmap btree cursor */ | 5191 | xfs_btree_cur_t *cur; /* bmap btree cursor */ |
5313 | xfs_bmbt_irec_t del; /* extent being deleted */ | 5192 | xfs_bmbt_irec_t del; /* extent being deleted */ |
5314 | int eof; /* is deleting at eof */ | 5193 | int eof; /* is deleting at eof */ |
5315 | xfs_bmbt_rec_t *ep; /* extent list entry pointer */ | 5194 | xfs_bmbt_rec_t *ep; /* extent record pointer */ |
5316 | int error; /* error return value */ | 5195 | int error; /* error return value */ |
5317 | xfs_extnum_t extno; /* extent number in list */ | 5196 | xfs_extnum_t extno; /* extent number in list */ |
5318 | xfs_bmbt_irec_t got; /* current extent list entry */ | 5197 | xfs_bmbt_irec_t got; /* current extent record */ |
5319 | xfs_ifork_t *ifp; /* inode fork pointer */ | 5198 | xfs_ifork_t *ifp; /* inode fork pointer */ |
5320 | int isrt; /* freeing in rt area */ | 5199 | int isrt; /* freeing in rt area */ |
5321 | xfs_extnum_t lastx; /* last extent index used */ | 5200 | xfs_extnum_t lastx; /* last extent index used */ |
5322 | int logflags; /* transaction logging flags */ | 5201 | int logflags; /* transaction logging flags */ |
5323 | xfs_extlen_t mod; /* rt extent offset */ | 5202 | xfs_extlen_t mod; /* rt extent offset */ |
5324 | xfs_mount_t *mp; /* mount structure */ | 5203 | xfs_mount_t *mp; /* mount structure */ |
5325 | xfs_extnum_t nextents; /* size of extent list */ | 5204 | xfs_extnum_t nextents; /* number of file extents */ |
5326 | xfs_bmbt_irec_t prev; /* previous extent list entry */ | 5205 | xfs_bmbt_irec_t prev; /* previous extent record */ |
5327 | xfs_fileoff_t start; /* first file offset deleted */ | 5206 | xfs_fileoff_t start; /* first file offset deleted */ |
5328 | int tmp_logflags; /* partial logging flags */ | 5207 | int tmp_logflags; /* partial logging flags */ |
5329 | int wasdel; /* was a delayed alloc extent */ | 5208 | int wasdel; /* was a delayed alloc extent */ |
@@ -5369,7 +5248,7 @@ xfs_bunmapi( | |||
5369 | * file, back up to the last block if so... | 5248 | * file, back up to the last block if so... |
5370 | */ | 5249 | */ |
5371 | if (eof) { | 5250 | if (eof) { |
5372 | ep = &ifp->if_u1.if_extents[--lastx]; | 5251 | ep = xfs_iext_get_ext(ifp, --lastx); |
5373 | xfs_bmbt_get_all(ep, &got); | 5252 | xfs_bmbt_get_all(ep, &got); |
5374 | bno = got.br_startoff + got.br_blockcount - 1; | 5253 | bno = got.br_startoff + got.br_blockcount - 1; |
5375 | } | 5254 | } |
@@ -5393,7 +5272,7 @@ xfs_bunmapi( | |||
5393 | if (got.br_startoff > bno) { | 5272 | if (got.br_startoff > bno) { |
5394 | if (--lastx < 0) | 5273 | if (--lastx < 0) |
5395 | break; | 5274 | break; |
5396 | ep--; | 5275 | ep = xfs_iext_get_ext(ifp, lastx); |
5397 | xfs_bmbt_get_all(ep, &got); | 5276 | xfs_bmbt_get_all(ep, &got); |
5398 | } | 5277 | } |
5399 | /* | 5278 | /* |
@@ -5440,7 +5319,8 @@ xfs_bunmapi( | |||
5440 | del.br_blockcount : mod; | 5319 | del.br_blockcount : mod; |
5441 | if (bno < got.br_startoff) { | 5320 | if (bno < got.br_startoff) { |
5442 | if (--lastx >= 0) | 5321 | if (--lastx >= 0) |
5443 | xfs_bmbt_get_all(--ep, &got); | 5322 | xfs_bmbt_get_all(xfs_iext_get_ext( |
5323 | ifp, lastx), &got); | ||
5444 | } | 5324 | } |
5445 | continue; | 5325 | continue; |
5446 | } | 5326 | } |
@@ -5500,7 +5380,8 @@ xfs_bunmapi( | |||
5500 | * try again. | 5380 | * try again. |
5501 | */ | 5381 | */ |
5502 | ASSERT(lastx > 0); | 5382 | ASSERT(lastx > 0); |
5503 | xfs_bmbt_get_all(ep - 1, &prev); | 5383 | xfs_bmbt_get_all(xfs_iext_get_ext(ifp, |
5384 | lastx - 1), &prev); | ||
5504 | ASSERT(prev.br_state == XFS_EXT_NORM); | 5385 | ASSERT(prev.br_state == XFS_EXT_NORM); |
5505 | ASSERT(!ISNULLSTARTBLOCK(prev.br_startblock)); | 5386 | ASSERT(!ISNULLSTARTBLOCK(prev.br_startblock)); |
5506 | ASSERT(del.br_startblock == | 5387 | ASSERT(del.br_startblock == |
@@ -5587,12 +5468,12 @@ nodelete: | |||
5587 | * If not done go on to the next (previous) record. | 5468 | * If not done go on to the next (previous) record. |
5588 | * Reset ep in case the extents array was re-alloced. | 5469 | * Reset ep in case the extents array was re-alloced. |
5589 | */ | 5470 | */ |
5590 | ep = &ifp->if_u1.if_extents[lastx]; | 5471 | ep = xfs_iext_get_ext(ifp, lastx); |
5591 | if (bno != (xfs_fileoff_t)-1 && bno >= start) { | 5472 | if (bno != (xfs_fileoff_t)-1 && bno >= start) { |
5592 | if (lastx >= XFS_IFORK_NEXTENTS(ip, whichfork) || | 5473 | if (lastx >= XFS_IFORK_NEXTENTS(ip, whichfork) || |
5593 | xfs_bmbt_get_startoff(ep) > bno) { | 5474 | xfs_bmbt_get_startoff(ep) > bno) { |
5594 | lastx--; | 5475 | if (--lastx >= 0) |
5595 | ep--; | 5476 | ep = xfs_iext_get_ext(ifp, lastx); |
5596 | } | 5477 | } |
5597 | if (lastx >= 0) | 5478 | if (lastx >= 0) |
5598 | xfs_bmbt_get_all(ep, &got); | 5479 | xfs_bmbt_get_all(ep, &got); |
@@ -5636,7 +5517,7 @@ nodelete: | |||
5636 | error0: | 5517 | error0: |
5637 | /* | 5518 | /* |
5638 | * Log everything. Do this after conversion, there's no point in | 5519 | * Log everything. Do this after conversion, there's no point in |
5639 | * logging the extent list if we've converted to btree format. | 5520 | * logging the extent records if we've converted to btree format. |
5640 | */ | 5521 | */ |
5641 | if ((logflags & XFS_ILOG_FEXT(whichfork)) && | 5522 | if ((logflags & XFS_ILOG_FEXT(whichfork)) && |
5642 | XFS_IFORK_FORMAT(ip, whichfork) != XFS_DINODE_FMT_EXTENTS) | 5523 | XFS_IFORK_FORMAT(ip, whichfork) != XFS_DINODE_FMT_EXTENTS) |
@@ -5892,9 +5773,9 @@ xfs_bmap_isaeof( | |||
5892 | { | 5773 | { |
5893 | int error; /* error return value */ | 5774 | int error; /* error return value */ |
5894 | xfs_ifork_t *ifp; /* inode fork pointer */ | 5775 | xfs_ifork_t *ifp; /* inode fork pointer */ |
5895 | xfs_bmbt_rec_t *lastrec; /* extent list entry pointer */ | 5776 | xfs_bmbt_rec_t *lastrec; /* extent record pointer */ |
5896 | xfs_extnum_t nextents; /* size of extent list */ | 5777 | xfs_extnum_t nextents; /* number of file extents */ |
5897 | xfs_bmbt_irec_t s; /* expanded extent list entry */ | 5778 | xfs_bmbt_irec_t s; /* expanded extent record */ |
5898 | 5779 | ||
5899 | ASSERT(whichfork == XFS_DATA_FORK); | 5780 | ASSERT(whichfork == XFS_DATA_FORK); |
5900 | ifp = XFS_IFORK_PTR(ip, whichfork); | 5781 | ifp = XFS_IFORK_PTR(ip, whichfork); |
@@ -5909,7 +5790,7 @@ xfs_bmap_isaeof( | |||
5909 | /* | 5790 | /* |
5910 | * Go to the last extent | 5791 | * Go to the last extent |
5911 | */ | 5792 | */ |
5912 | lastrec = &ifp->if_u1.if_extents[nextents - 1]; | 5793 | lastrec = xfs_iext_get_ext(ifp, nextents - 1); |
5913 | xfs_bmbt_get_all(lastrec, &s); | 5794 | xfs_bmbt_get_all(lastrec, &s); |
5914 | /* | 5795 | /* |
5915 | * Check we are allocating in the last extent (for delayed allocations) | 5796 | * Check we are allocating in the last extent (for delayed allocations) |
@@ -5936,8 +5817,8 @@ xfs_bmap_eof( | |||
5936 | xfs_fsblock_t blockcount; /* extent block count */ | 5817 | xfs_fsblock_t blockcount; /* extent block count */ |
5937 | int error; /* error return value */ | 5818 | int error; /* error return value */ |
5938 | xfs_ifork_t *ifp; /* inode fork pointer */ | 5819 | xfs_ifork_t *ifp; /* inode fork pointer */ |
5939 | xfs_bmbt_rec_t *lastrec; /* extent list entry pointer */ | 5820 | xfs_bmbt_rec_t *lastrec; /* extent record pointer */ |
5940 | xfs_extnum_t nextents; /* size of extent list */ | 5821 | xfs_extnum_t nextents; /* number of file extents */ |
5941 | xfs_fileoff_t startoff; /* extent starting file offset */ | 5822 | xfs_fileoff_t startoff; /* extent starting file offset */ |
5942 | 5823 | ||
5943 | ASSERT(whichfork == XFS_DATA_FORK); | 5824 | ASSERT(whichfork == XFS_DATA_FORK); |
@@ -5953,7 +5834,7 @@ xfs_bmap_eof( | |||
5953 | /* | 5834 | /* |
5954 | * Go to the last extent | 5835 | * Go to the last extent |
5955 | */ | 5836 | */ |
5956 | lastrec = &ifp->if_u1.if_extents[nextents - 1]; | 5837 | lastrec = xfs_iext_get_ext(ifp, nextents - 1); |
5957 | startoff = xfs_bmbt_get_startoff(lastrec); | 5838 | startoff = xfs_bmbt_get_startoff(lastrec); |
5958 | blockcount = xfs_bmbt_get_blockcount(lastrec); | 5839 | blockcount = xfs_bmbt_get_blockcount(lastrec); |
5959 | *eof = endoff >= startoff + blockcount; | 5840 | *eof = endoff >= startoff + blockcount; |
@@ -5969,18 +5850,21 @@ xfs_bmap_check_extents( | |||
5969 | xfs_inode_t *ip, /* incore inode pointer */ | 5850 | xfs_inode_t *ip, /* incore inode pointer */ |
5970 | int whichfork) /* data or attr fork */ | 5851 | int whichfork) /* data or attr fork */ |
5971 | { | 5852 | { |
5972 | xfs_bmbt_rec_t *base; /* base of extents list */ | ||
5973 | xfs_bmbt_rec_t *ep; /* current extent entry */ | 5853 | xfs_bmbt_rec_t *ep; /* current extent entry */ |
5854 | xfs_extnum_t idx; /* extent record index */ | ||
5974 | xfs_ifork_t *ifp; /* inode fork pointer */ | 5855 | xfs_ifork_t *ifp; /* inode fork pointer */ |
5975 | xfs_extnum_t nextents; /* number of extents in list */ | 5856 | xfs_extnum_t nextents; /* number of extents in list */ |
5857 | xfs_bmbt_rec_t *nextp; /* next extent entry */ | ||
5976 | 5858 | ||
5977 | ifp = XFS_IFORK_PTR(ip, whichfork); | 5859 | ifp = XFS_IFORK_PTR(ip, whichfork); |
5978 | ASSERT(ifp->if_flags & XFS_IFEXTENTS); | 5860 | ASSERT(ifp->if_flags & XFS_IFEXTENTS); |
5979 | base = ifp->if_u1.if_extents; | ||
5980 | nextents = ifp->if_bytes / (uint)sizeof(xfs_bmbt_rec_t); | 5861 | nextents = ifp->if_bytes / (uint)sizeof(xfs_bmbt_rec_t); |
5981 | for (ep = base; ep < &base[nextents - 1]; ep++) { | 5862 | ep = xfs_iext_get_ext(ifp, 0); |
5863 | for (idx = 0; idx < nextents - 1; idx++) { | ||
5864 | nextp = xfs_iext_get_ext(ifp, idx + 1); | ||
5982 | xfs_btree_check_rec(XFS_BTNUM_BMAP, (void *)ep, | 5865 | xfs_btree_check_rec(XFS_BTNUM_BMAP, (void *)ep, |
5983 | (void *)(ep + 1)); | 5866 | (void *)(nextp)); |
5867 | ep = nextp; | ||
5984 | } | 5868 | } |
5985 | } | 5869 | } |
5986 | 5870 | ||
@@ -6119,12 +6003,14 @@ xfs_bmap_check_leaf_extents( | |||
6119 | xfs_fsblock_t bno; /* block # of "block" */ | 6003 | xfs_fsblock_t bno; /* block # of "block" */ |
6120 | xfs_buf_t *bp; /* buffer for "block" */ | 6004 | xfs_buf_t *bp; /* buffer for "block" */ |
6121 | int error; /* error return value */ | 6005 | int error; /* error return value */ |
6122 | xfs_extnum_t i=0; /* index into the extents list */ | 6006 | xfs_extnum_t i=0, j; /* index into the extents list */ |
6123 | xfs_ifork_t *ifp; /* fork structure */ | 6007 | xfs_ifork_t *ifp; /* fork structure */ |
6124 | int level; /* btree level, for checking */ | 6008 | int level; /* btree level, for checking */ |
6125 | xfs_mount_t *mp; /* file system mount structure */ | 6009 | xfs_mount_t *mp; /* file system mount structure */ |
6126 | xfs_bmbt_ptr_t *pp; /* pointer to block address */ | 6010 | xfs_bmbt_ptr_t *pp; /* pointer to block address */ |
6127 | xfs_bmbt_rec_t *ep, *lastp; /* extent pointers in block entry */ | 6011 | xfs_bmbt_rec_t *ep; /* pointer to current extent */ |
6012 | xfs_bmbt_rec_t *lastp; /* pointer to previous extent */ | ||
6013 | xfs_bmbt_rec_t *nextp; /* pointer to next extent */ | ||
6128 | int bp_release = 0; | 6014 | int bp_release = 0; |
6129 | 6015 | ||
6130 | if (XFS_IFORK_FORMAT(ip, whichfork) != XFS_DINODE_FMT_BTREE) { | 6016 | if (XFS_IFORK_FORMAT(ip, whichfork) != XFS_DINODE_FMT_BTREE) { |
@@ -6194,7 +6080,6 @@ xfs_bmap_check_leaf_extents( | |||
6194 | */ | 6080 | */ |
6195 | lastp = NULL; | 6081 | lastp = NULL; |
6196 | for (;;) { | 6082 | for (;;) { |
6197 | xfs_bmbt_rec_t *frp; | ||
6198 | xfs_fsblock_t nextbno; | 6083 | xfs_fsblock_t nextbno; |
6199 | xfs_extnum_t num_recs; | 6084 | xfs_extnum_t num_recs; |
6200 | 6085 | ||
@@ -6213,18 +6098,20 @@ xfs_bmap_check_leaf_extents( | |||
6213 | * conform with the first entry in this one. | 6098 | * conform with the first entry in this one. |
6214 | */ | 6099 | */ |
6215 | 6100 | ||
6216 | frp = XFS_BTREE_REC_ADDR(mp->m_sb.sb_blocksize, xfs_bmbt, | 6101 | ep = XFS_BTREE_REC_ADDR(mp->m_sb.sb_blocksize, xfs_bmbt, |
6217 | block, 1, mp->m_bmap_dmxr[0]); | 6102 | block, 1, mp->m_bmap_dmxr[0]); |
6218 | 6103 | for (j = 1; j < num_recs; j++) { | |
6219 | for (ep = frp;ep < frp + (num_recs - 1); ep++) { | 6104 | nextp = XFS_BTREE_REC_ADDR(mp->m_sb.sb_blocksize, xfs_bmbt, |
6105 | block, j + 1, mp->m_bmap_dmxr[0]); | ||
6220 | if (lastp) { | 6106 | if (lastp) { |
6221 | xfs_btree_check_rec(XFS_BTNUM_BMAP, | 6107 | xfs_btree_check_rec(XFS_BTNUM_BMAP, |
6222 | (void *)lastp, (void *)ep); | 6108 | (void *)lastp, (void *)ep); |
6223 | } | 6109 | } |
6224 | xfs_btree_check_rec(XFS_BTNUM_BMAP, (void *)ep, | 6110 | xfs_btree_check_rec(XFS_BTNUM_BMAP, (void *)ep, |
6225 | (void *)(ep + 1)); | 6111 | (void *)(nextp)); |
6112 | lastp = ep; | ||
6113 | ep = nextp; | ||
6226 | } | 6114 | } |
6227 | lastp = frp + num_recs - 1; /* For the next iteration */ | ||
6228 | 6115 | ||
6229 | i += num_recs; | 6116 | i += num_recs; |
6230 | if (bp_release) { | 6117 | if (bp_release) { |
@@ -6288,7 +6175,7 @@ xfs_bmap_count_blocks( | |||
6288 | mp = ip->i_mount; | 6175 | mp = ip->i_mount; |
6289 | ifp = XFS_IFORK_PTR(ip, whichfork); | 6176 | ifp = XFS_IFORK_PTR(ip, whichfork); |
6290 | if ( XFS_IFORK_FORMAT(ip, whichfork) == XFS_DINODE_FMT_EXTENTS ) { | 6177 | if ( XFS_IFORK_FORMAT(ip, whichfork) == XFS_DINODE_FMT_EXTENTS ) { |
6291 | if (unlikely(xfs_bmap_count_leaves(ifp->if_u1.if_extents, | 6178 | if (unlikely(xfs_bmap_count_leaves(ifp, 0, |
6292 | ifp->if_bytes / (uint)sizeof(xfs_bmbt_rec_t), | 6179 | ifp->if_bytes / (uint)sizeof(xfs_bmbt_rec_t), |
6293 | count) < 0)) { | 6180 | count) < 0)) { |
6294 | XFS_ERROR_REPORT("xfs_bmap_count_blocks(1)", | 6181 | XFS_ERROR_REPORT("xfs_bmap_count_blocks(1)", |
@@ -6310,7 +6197,7 @@ xfs_bmap_count_blocks( | |||
6310 | ASSERT(XFS_FSB_TO_AGBNO(mp, INT_GET(*pp, ARCH_CONVERT)) < mp->m_sb.sb_agblocks); | 6197 | ASSERT(XFS_FSB_TO_AGBNO(mp, INT_GET(*pp, ARCH_CONVERT)) < mp->m_sb.sb_agblocks); |
6311 | bno = INT_GET(*pp, ARCH_CONVERT); | 6198 | bno = INT_GET(*pp, ARCH_CONVERT); |
6312 | 6199 | ||
6313 | if (unlikely(xfs_bmap_count_tree(mp, tp, bno, level, count) < 0)) { | 6200 | if (unlikely(xfs_bmap_count_tree(mp, tp, ifp, bno, level, count) < 0)) { |
6314 | XFS_ERROR_REPORT("xfs_bmap_count_blocks(2)", XFS_ERRLEVEL_LOW, | 6201 | XFS_ERROR_REPORT("xfs_bmap_count_blocks(2)", XFS_ERRLEVEL_LOW, |
6315 | mp); | 6202 | mp); |
6316 | return XFS_ERROR(EFSCORRUPTED); | 6203 | return XFS_ERROR(EFSCORRUPTED); |
@@ -6327,6 +6214,7 @@ int /* error */ | |||
6327 | xfs_bmap_count_tree( | 6214 | xfs_bmap_count_tree( |
6328 | xfs_mount_t *mp, /* file system mount point */ | 6215 | xfs_mount_t *mp, /* file system mount point */ |
6329 | xfs_trans_t *tp, /* transaction pointer */ | 6216 | xfs_trans_t *tp, /* transaction pointer */ |
6217 | xfs_ifork_t *ifp, /* inode fork pointer */ | ||
6330 | xfs_fsblock_t blockno, /* file system block number */ | 6218 | xfs_fsblock_t blockno, /* file system block number */ |
6331 | int levelin, /* level in btree */ | 6219 | int levelin, /* level in btree */ |
6332 | int *count) /* Count of blocks */ | 6220 | int *count) /* Count of blocks */ |
@@ -6339,7 +6227,6 @@ xfs_bmap_count_tree( | |||
6339 | xfs_fsblock_t nextbno; | 6227 | xfs_fsblock_t nextbno; |
6340 | xfs_bmbt_block_t *block, *nextblock; | 6228 | xfs_bmbt_block_t *block, *nextblock; |
6341 | int numrecs; | 6229 | int numrecs; |
6342 | xfs_bmbt_rec_t *frp; | ||
6343 | 6230 | ||
6344 | if ((error = xfs_btree_read_bufl(mp, tp, bno, 0, &bp, XFS_BMAP_BTREE_REF))) | 6231 | if ((error = xfs_btree_read_bufl(mp, tp, bno, 0, &bp, XFS_BMAP_BTREE_REF))) |
6345 | return error; | 6232 | return error; |
@@ -6364,7 +6251,7 @@ xfs_bmap_count_tree( | |||
6364 | xfs_bmbt, block, 1, mp->m_bmap_dmxr[1]); | 6251 | xfs_bmbt, block, 1, mp->m_bmap_dmxr[1]); |
6365 | bno = INT_GET(*pp, ARCH_CONVERT); | 6252 | bno = INT_GET(*pp, ARCH_CONVERT); |
6366 | if (unlikely((error = | 6253 | if (unlikely((error = |
6367 | xfs_bmap_count_tree(mp, tp, bno, level, count)) < 0)) { | 6254 | xfs_bmap_count_tree(mp, tp, ifp, bno, level, count)) < 0)) { |
6368 | xfs_trans_brelse(tp, bp); | 6255 | xfs_trans_brelse(tp, bp); |
6369 | XFS_ERROR_REPORT("xfs_bmap_count_tree(1)", | 6256 | XFS_ERROR_REPORT("xfs_bmap_count_tree(1)", |
6370 | XFS_ERRLEVEL_LOW, mp); | 6257 | XFS_ERRLEVEL_LOW, mp); |
@@ -6376,9 +6263,8 @@ xfs_bmap_count_tree( | |||
6376 | for (;;) { | 6263 | for (;;) { |
6377 | nextbno = be64_to_cpu(block->bb_rightsib); | 6264 | nextbno = be64_to_cpu(block->bb_rightsib); |
6378 | numrecs = be16_to_cpu(block->bb_numrecs); | 6265 | numrecs = be16_to_cpu(block->bb_numrecs); |
6379 | frp = XFS_BTREE_REC_ADDR(mp->m_sb.sb_blocksize, | 6266 | if (unlikely(xfs_bmap_disk_count_leaves(ifp, mp, |
6380 | xfs_bmbt, block, 1, mp->m_bmap_dmxr[0]); | 6267 | 0, block, numrecs, count) < 0)) { |
6381 | if (unlikely(xfs_bmap_disk_count_leaves(frp, numrecs, count) < 0)) { | ||
6382 | xfs_trans_brelse(tp, bp); | 6268 | xfs_trans_brelse(tp, bp); |
6383 | XFS_ERROR_REPORT("xfs_bmap_count_tree(2)", | 6269 | XFS_ERROR_REPORT("xfs_bmap_count_tree(2)", |
6384 | XFS_ERRLEVEL_LOW, mp); | 6270 | XFS_ERRLEVEL_LOW, mp); |
@@ -6399,33 +6285,45 @@ xfs_bmap_count_tree( | |||
6399 | } | 6285 | } |
6400 | 6286 | ||
6401 | /* | 6287 | /* |
6402 | * Count leaf blocks given a pointer to an extent list. | 6288 | * Count leaf blocks given a range of extent records. |
6403 | */ | 6289 | */ |
6404 | int | 6290 | int |
6405 | xfs_bmap_count_leaves( | 6291 | xfs_bmap_count_leaves( |
6406 | xfs_bmbt_rec_t *frp, | 6292 | xfs_ifork_t *ifp, |
6293 | xfs_extnum_t idx, | ||
6407 | int numrecs, | 6294 | int numrecs, |
6408 | int *count) | 6295 | int *count) |
6409 | { | 6296 | { |
6410 | int b; | 6297 | int b; |
6298 | xfs_bmbt_rec_t *frp; | ||
6411 | 6299 | ||
6412 | for ( b = 1; b <= numrecs; b++, frp++) | 6300 | for (b = 0; b < numrecs; b++) { |
6301 | frp = xfs_iext_get_ext(ifp, idx + b); | ||
6413 | *count += xfs_bmbt_get_blockcount(frp); | 6302 | *count += xfs_bmbt_get_blockcount(frp); |
6303 | } | ||
6414 | return 0; | 6304 | return 0; |
6415 | } | 6305 | } |
6416 | 6306 | ||
6417 | /* | 6307 | /* |
6418 | * Count leaf blocks given a pointer to an extent list originally in btree format. | 6308 | * Count leaf blocks given a range of extent records originally |
6309 | * in btree format. | ||
6419 | */ | 6310 | */ |
6420 | int | 6311 | int |
6421 | xfs_bmap_disk_count_leaves( | 6312 | xfs_bmap_disk_count_leaves( |
6422 | xfs_bmbt_rec_t *frp, | 6313 | xfs_ifork_t *ifp, |
6314 | xfs_mount_t *mp, | ||
6315 | xfs_extnum_t idx, | ||
6316 | xfs_bmbt_block_t *block, | ||
6423 | int numrecs, | 6317 | int numrecs, |
6424 | int *count) | 6318 | int *count) |
6425 | { | 6319 | { |
6426 | int b; | 6320 | int b; |
6321 | xfs_bmbt_rec_t *frp; | ||
6427 | 6322 | ||
6428 | for ( b = 1; b <= numrecs; b++, frp++) | 6323 | for (b = 1; b <= numrecs; b++) { |
6324 | frp = XFS_BTREE_REC_ADDR(mp->m_sb.sb_blocksize, | ||
6325 | xfs_bmbt, block, idx + b, mp->m_bmap_dmxr[0]); | ||
6429 | *count += xfs_bmbt_disk_get_blockcount(frp); | 6326 | *count += xfs_bmbt_disk_get_blockcount(frp); |
6327 | } | ||
6430 | return 0; | 6328 | return 0; |
6431 | } | 6329 | } |