diff options
Diffstat (limited to 'fs/xfs/xfs_btree.h')
-rw-r--r-- | fs/xfs/xfs_btree.h | 120 |
1 files changed, 14 insertions, 106 deletions
diff --git a/fs/xfs/xfs_btree.h b/fs/xfs/xfs_btree.h index 09b4e1532a35..30ee83712c79 100644 --- a/fs/xfs/xfs_btree.h +++ b/fs/xfs/xfs_btree.h | |||
@@ -113,12 +113,7 @@ typedef struct xfs_btree_block | |||
113 | /* | 113 | /* |
114 | * Boolean to select which form of xfs_btree_block_t.bb_u to use. | 114 | * Boolean to select which form of xfs_btree_block_t.bb_u to use. |
115 | */ | 115 | */ |
116 | #if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_BTREE_LONG_PTRS) | ||
117 | int xfs_btree_long_ptrs(xfs_btnum_t btnum); | ||
118 | #define XFS_BTREE_LONG_PTRS(btnum) ((btnum) == XFS_BTNUM_BMAP) | 116 | #define XFS_BTREE_LONG_PTRS(btnum) ((btnum) == XFS_BTNUM_BMAP) |
119 | #else | ||
120 | #define XFS_BTREE_LONG_PTRS(btnum) ((btnum) == XFS_BTNUM_BMAP) | ||
121 | #endif | ||
122 | 117 | ||
123 | /* | 118 | /* |
124 | * Magic numbers for btree blocks. | 119 | * Magic numbers for btree blocks. |
@@ -205,24 +200,10 @@ typedef struct xfs_btree_cur | |||
205 | /* | 200 | /* |
206 | * Convert from buffer to btree block header. | 201 | * Convert from buffer to btree block header. |
207 | */ | 202 | */ |
208 | #if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_BUF_TO_BLOCK) | 203 | #define XFS_BUF_TO_BLOCK(bp) ((xfs_btree_block_t *)XFS_BUF_PTR(bp)) |
209 | xfs_btree_block_t *xfs_buf_to_block(struct xfs_buf *bp); | 204 | #define XFS_BUF_TO_LBLOCK(bp) ((xfs_btree_lblock_t *)XFS_BUF_PTR(bp)) |
210 | #define XFS_BUF_TO_BLOCK(bp) xfs_buf_to_block(bp) | 205 | #define XFS_BUF_TO_SBLOCK(bp) ((xfs_btree_sblock_t *)XFS_BUF_PTR(bp)) |
211 | #else | 206 | |
212 | #define XFS_BUF_TO_BLOCK(bp) ((xfs_btree_block_t *)(XFS_BUF_PTR(bp))) | ||
213 | #endif | ||
214 | #if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_BUF_TO_LBLOCK) | ||
215 | xfs_btree_lblock_t *xfs_buf_to_lblock(struct xfs_buf *bp); | ||
216 | #define XFS_BUF_TO_LBLOCK(bp) xfs_buf_to_lblock(bp) | ||
217 | #else | ||
218 | #define XFS_BUF_TO_LBLOCK(bp) ((xfs_btree_lblock_t *)(XFS_BUF_PTR(bp))) | ||
219 | #endif | ||
220 | #if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_BUF_TO_SBLOCK) | ||
221 | xfs_btree_sblock_t *xfs_buf_to_sblock(struct xfs_buf *bp); | ||
222 | #define XFS_BUF_TO_SBLOCK(bp) xfs_buf_to_sblock(bp) | ||
223 | #else | ||
224 | #define XFS_BUF_TO_SBLOCK(bp) ((xfs_btree_sblock_t *)(XFS_BUF_PTR(bp))) | ||
225 | #endif | ||
226 | 207 | ||
227 | #ifdef __KERNEL__ | 208 | #ifdef __KERNEL__ |
228 | 209 | ||
@@ -477,106 +458,33 @@ xfs_btree_setbuf( | |||
477 | /* | 458 | /* |
478 | * Min and max functions for extlen, agblock, fileoff, and filblks types. | 459 | * Min and max functions for extlen, agblock, fileoff, and filblks types. |
479 | */ | 460 | */ |
480 | #if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_EXTLEN_MIN) | ||
481 | xfs_extlen_t xfs_extlen_min(xfs_extlen_t a, xfs_extlen_t b); | ||
482 | #define XFS_EXTLEN_MIN(a,b) xfs_extlen_min(a,b) | ||
483 | #else | ||
484 | #define XFS_EXTLEN_MIN(a,b) \ | 461 | #define XFS_EXTLEN_MIN(a,b) \ |
485 | ((xfs_extlen_t)(a) < (xfs_extlen_t)(b) ? \ | 462 | ((xfs_extlen_t)(a) < (xfs_extlen_t)(b) ? \ |
486 | (xfs_extlen_t)(a) : (xfs_extlen_t)(b)) | 463 | (xfs_extlen_t)(a) : (xfs_extlen_t)(b)) |
487 | #endif | ||
488 | #if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_EXTLEN_MAX) | ||
489 | xfs_extlen_t xfs_extlen_max(xfs_extlen_t a, xfs_extlen_t b); | ||
490 | #define XFS_EXTLEN_MAX(a,b) xfs_extlen_max(a,b) | ||
491 | #else | ||
492 | #define XFS_EXTLEN_MAX(a,b) \ | 464 | #define XFS_EXTLEN_MAX(a,b) \ |
493 | ((xfs_extlen_t)(a) > (xfs_extlen_t)(b) ? \ | 465 | ((xfs_extlen_t)(a) > (xfs_extlen_t)(b) ? \ |
494 | (xfs_extlen_t)(a) : (xfs_extlen_t)(b)) | 466 | (xfs_extlen_t)(a) : (xfs_extlen_t)(b)) |
495 | #endif | ||
496 | |||
497 | #if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_AGBLOCK_MIN) | ||
498 | xfs_agblock_t xfs_agblock_min(xfs_agblock_t a, xfs_agblock_t b); | ||
499 | #define XFS_AGBLOCK_MIN(a,b) xfs_agblock_min(a,b) | ||
500 | #else | ||
501 | #define XFS_AGBLOCK_MIN(a,b) \ | 467 | #define XFS_AGBLOCK_MIN(a,b) \ |
502 | ((xfs_agblock_t)(a) < (xfs_agblock_t)(b) ? \ | 468 | ((xfs_agblock_t)(a) < (xfs_agblock_t)(b) ? \ |
503 | (xfs_agblock_t)(a) : (xfs_agblock_t)(b)) | 469 | (xfs_agblock_t)(a) : (xfs_agblock_t)(b)) |
504 | #endif | ||
505 | #if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_AGBLOCK_MAX) | ||
506 | xfs_agblock_t xfs_agblock_max(xfs_agblock_t a, xfs_agblock_t b); | ||
507 | #define XFS_AGBLOCK_MAX(a,b) xfs_agblock_max(a,b) | ||
508 | #else | ||
509 | #define XFS_AGBLOCK_MAX(a,b) \ | 470 | #define XFS_AGBLOCK_MAX(a,b) \ |
510 | ((xfs_agblock_t)(a) > (xfs_agblock_t)(b) ? \ | 471 | ((xfs_agblock_t)(a) > (xfs_agblock_t)(b) ? \ |
511 | (xfs_agblock_t)(a) : (xfs_agblock_t)(b)) | 472 | (xfs_agblock_t)(a) : (xfs_agblock_t)(b)) |
512 | #endif | ||
513 | |||
514 | #if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_FILEOFF_MIN) | ||
515 | xfs_fileoff_t xfs_fileoff_min(xfs_fileoff_t a, xfs_fileoff_t b); | ||
516 | #define XFS_FILEOFF_MIN(a,b) xfs_fileoff_min(a,b) | ||
517 | #else | ||
518 | #define XFS_FILEOFF_MIN(a,b) \ | 473 | #define XFS_FILEOFF_MIN(a,b) \ |
519 | ((xfs_fileoff_t)(a) < (xfs_fileoff_t)(b) ? \ | 474 | ((xfs_fileoff_t)(a) < (xfs_fileoff_t)(b) ? \ |
520 | (xfs_fileoff_t)(a) : (xfs_fileoff_t)(b)) | 475 | (xfs_fileoff_t)(a) : (xfs_fileoff_t)(b)) |
521 | #endif | ||
522 | #if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_FILEOFF_MAX) | ||
523 | xfs_fileoff_t xfs_fileoff_max(xfs_fileoff_t a, xfs_fileoff_t b); | ||
524 | #define XFS_FILEOFF_MAX(a,b) xfs_fileoff_max(a,b) | ||
525 | #else | ||
526 | #define XFS_FILEOFF_MAX(a,b) \ | 476 | #define XFS_FILEOFF_MAX(a,b) \ |
527 | ((xfs_fileoff_t)(a) > (xfs_fileoff_t)(b) ? \ | 477 | ((xfs_fileoff_t)(a) > (xfs_fileoff_t)(b) ? \ |
528 | (xfs_fileoff_t)(a) : (xfs_fileoff_t)(b)) | 478 | (xfs_fileoff_t)(a) : (xfs_fileoff_t)(b)) |
529 | #endif | ||
530 | |||
531 | #if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_FILBLKS_MIN) | ||
532 | xfs_filblks_t xfs_filblks_min(xfs_filblks_t a, xfs_filblks_t b); | ||
533 | #define XFS_FILBLKS_MIN(a,b) xfs_filblks_min(a,b) | ||
534 | #else | ||
535 | #define XFS_FILBLKS_MIN(a,b) \ | 479 | #define XFS_FILBLKS_MIN(a,b) \ |
536 | ((xfs_filblks_t)(a) < (xfs_filblks_t)(b) ? \ | 480 | ((xfs_filblks_t)(a) < (xfs_filblks_t)(b) ? \ |
537 | (xfs_filblks_t)(a) : (xfs_filblks_t)(b)) | 481 | (xfs_filblks_t)(a) : (xfs_filblks_t)(b)) |
538 | #endif | ||
539 | #if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_FILBLKS_MAX) | ||
540 | xfs_filblks_t xfs_filblks_max(xfs_filblks_t a, xfs_filblks_t b); | ||
541 | #define XFS_FILBLKS_MAX(a,b) xfs_filblks_max(a,b) | ||
542 | #else | ||
543 | #define XFS_FILBLKS_MAX(a,b) \ | 482 | #define XFS_FILBLKS_MAX(a,b) \ |
544 | ((xfs_filblks_t)(a) > (xfs_filblks_t)(b) ? \ | 483 | ((xfs_filblks_t)(a) > (xfs_filblks_t)(b) ? \ |
545 | (xfs_filblks_t)(a) : (xfs_filblks_t)(b)) | 484 | (xfs_filblks_t)(a) : (xfs_filblks_t)(b)) |
546 | #endif | 485 | |
547 | #if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_FSB_SANITY_CHECK) | ||
548 | int xfs_fsb_sanity_check(struct xfs_mount *mp, xfs_fsblock_t fsb); | ||
549 | #define XFS_FSB_SANITY_CHECK(mp,fsb) xfs_fsb_sanity_check(mp,fsb) | ||
550 | #else | ||
551 | #define XFS_FSB_SANITY_CHECK(mp,fsb) \ | 486 | #define XFS_FSB_SANITY_CHECK(mp,fsb) \ |
552 | (XFS_FSB_TO_AGNO(mp, fsb) < mp->m_sb.sb_agcount && \ | 487 | (XFS_FSB_TO_AGNO(mp, fsb) < mp->m_sb.sb_agcount && \ |
553 | XFS_FSB_TO_AGBNO(mp, fsb) < mp->m_sb.sb_agblocks) | 488 | XFS_FSB_TO_AGBNO(mp, fsb) < mp->m_sb.sb_agblocks) |
554 | #endif | ||
555 | |||
556 | /* | ||
557 | * Macros to set EFSCORRUPTED & return/branch. | ||
558 | */ | ||
559 | #define XFS_WANT_CORRUPTED_GOTO(x,l) \ | ||
560 | { \ | ||
561 | int fs_is_ok = (x); \ | ||
562 | ASSERT(fs_is_ok); \ | ||
563 | if (unlikely(!fs_is_ok)) { \ | ||
564 | XFS_ERROR_REPORT("XFS_WANT_CORRUPTED_GOTO", \ | ||
565 | XFS_ERRLEVEL_LOW, NULL); \ | ||
566 | error = XFS_ERROR(EFSCORRUPTED); \ | ||
567 | goto l; \ | ||
568 | } \ | ||
569 | } | ||
570 | |||
571 | #define XFS_WANT_CORRUPTED_RETURN(x) \ | ||
572 | { \ | ||
573 | int fs_is_ok = (x); \ | ||
574 | ASSERT(fs_is_ok); \ | ||
575 | if (unlikely(!fs_is_ok)) { \ | ||
576 | XFS_ERROR_REPORT("XFS_WANT_CORRUPTED_RETURN", \ | ||
577 | XFS_ERRLEVEL_LOW, NULL); \ | ||
578 | return XFS_ERROR(EFSCORRUPTED); \ | ||
579 | } \ | ||
580 | } | ||
581 | 489 | ||
582 | #endif /* __XFS_BTREE_H__ */ | 490 | #endif /* __XFS_BTREE_H__ */ |