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authorThomas Gleixner <tglx@cruncher.tec.linutronix.de>2006-05-23 06:37:31 -0400
committerThomas Gleixner <tglx@cruncher.tec.linutronix.de>2006-05-23 06:37:31 -0400
commit4cbb9b80e171107c6c34116283fe38e5a396c68b (patch)
tree9463f2e4774f14752cf4bb52431e14e569256f72 /fs/jffs2/xattr.c
parent6dfc6d250d0b7ebaa6423c44dcd09fcfe68deabd (diff)
parent9fe4854cd1f60273f9a3ece053f4789605f58a5e (diff)
Merge branch 'master' of /home/tglx/work/kernel/git/mtd-2.6/
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'fs/jffs2/xattr.c')
-rw-r--r--fs/jffs2/xattr.c60
1 files changed, 30 insertions, 30 deletions
diff --git a/fs/jffs2/xattr.c b/fs/jffs2/xattr.c
index e16f8460ff04..008f91b1c171 100644
--- a/fs/jffs2/xattr.c
+++ b/fs/jffs2/xattr.c
@@ -49,9 +49,9 @@
49 * is used to be as a wrapper of do_verify_xattr_datum() and do_load_xattr_datum(). 49 * is used to be as a wrapper of do_verify_xattr_datum() and do_load_xattr_datum().
50 * If xd need to call do_verify_xattr_datum() at first, it's called before calling 50 * If xd need to call do_verify_xattr_datum() at first, it's called before calling
51 * do_load_xattr_datum(). The meanings of return value is same as do_verify_xattr_datum(). 51 * do_load_xattr_datum(). The meanings of return value is same as do_verify_xattr_datum().
52 * save_xattr_datum(c, xd, phys_ofs) 52 * save_xattr_datum(c, xd)
53 * is used to write xdatum to medium. xd->version will be incremented. 53 * is used to write xdatum to medium. xd->version will be incremented.
54 * create_xattr_datum(c, xprefix, xname, xvalue, xsize, phys_ofs) 54 * create_xattr_datum(c, xprefix, xname, xvalue, xsize)
55 * is used to create new xdatum and write to medium. 55 * is used to create new xdatum and write to medium.
56 * -------------------------------------------------- */ 56 * -------------------------------------------------- */
57 57
@@ -301,7 +301,7 @@ static int load_xattr_datum(struct jffs2_sb_info *c, struct jffs2_xattr_datum *x
301 return rc; 301 return rc;
302} 302}
303 303
304static int save_xattr_datum(struct jffs2_sb_info *c, struct jffs2_xattr_datum *xd, uint32_t phys_ofs) 304static int save_xattr_datum(struct jffs2_sb_info *c, struct jffs2_xattr_datum *xd)
305{ 305{
306 /* must be called under down_write(xattr_sem) */ 306 /* must be called under down_write(xattr_sem) */
307 struct jffs2_raw_xattr rx; 307 struct jffs2_raw_xattr rx;
@@ -309,6 +309,7 @@ static int save_xattr_datum(struct jffs2_sb_info *c, struct jffs2_xattr_datum *x
309 struct kvec vecs[2]; 309 struct kvec vecs[2];
310 uint32_t length; 310 uint32_t length;
311 int rc, totlen; 311 int rc, totlen;
312 uint32_t phys_ofs = write_ofs(c);
312 313
313 BUG_ON(!xd->xname); 314 BUG_ON(!xd->xname);
314 315
@@ -322,7 +323,6 @@ static int save_xattr_datum(struct jffs2_sb_info *c, struct jffs2_xattr_datum *x
322 if (!raw) 323 if (!raw)
323 return -ENOMEM; 324 return -ENOMEM;
324 raw->flash_offset = phys_ofs; 325 raw->flash_offset = phys_ofs;
325 raw->next_in_ino = (void *)xd;
326 326
327 /* Setup raw-xattr */ 327 /* Setup raw-xattr */
328 rx.magic = cpu_to_je16(JFFS2_MAGIC_BITMASK); 328 rx.magic = cpu_to_je16(JFFS2_MAGIC_BITMASK);
@@ -345,8 +345,7 @@ static int save_xattr_datum(struct jffs2_sb_info *c, struct jffs2_xattr_datum *x
345 rc = rc ? rc : -EIO; 345 rc = rc ? rc : -EIO;
346 if (length) { 346 if (length) {
347 raw->flash_offset |= REF_OBSOLETE; 347 raw->flash_offset |= REF_OBSOLETE;
348 raw->next_in_ino = NULL; 348 jffs2_add_physical_node_ref(c, raw, PAD(totlen), NULL);
349 jffs2_add_physical_node_ref(c, raw, PAD(totlen));
350 jffs2_mark_node_obsolete(c, raw); 349 jffs2_mark_node_obsolete(c, raw);
351 } else { 350 } else {
352 jffs2_free_raw_node_ref(raw); 351 jffs2_free_raw_node_ref(raw);
@@ -356,7 +355,9 @@ static int save_xattr_datum(struct jffs2_sb_info *c, struct jffs2_xattr_datum *x
356 355
357 /* success */ 356 /* success */
358 raw->flash_offset |= REF_PRISTINE; 357 raw->flash_offset |= REF_PRISTINE;
359 jffs2_add_physical_node_ref(c, raw, PAD(totlen)); 358 jffs2_add_physical_node_ref(c, raw, PAD(totlen), NULL);
359 /* FIXME */ raw->next_in_ino = (void *)xd;
360
360 if (xd->node) 361 if (xd->node)
361 delete_xattr_datum_node(c, xd); 362 delete_xattr_datum_node(c, xd);
362 xd->node = raw; 363 xd->node = raw;
@@ -369,8 +370,7 @@ static int save_xattr_datum(struct jffs2_sb_info *c, struct jffs2_xattr_datum *x
369 370
370static struct jffs2_xattr_datum *create_xattr_datum(struct jffs2_sb_info *c, 371static struct jffs2_xattr_datum *create_xattr_datum(struct jffs2_sb_info *c,
371 int xprefix, const char *xname, 372 int xprefix, const char *xname,
372 const char *xvalue, int xsize, 373 const char *xvalue, int xsize)
373 uint32_t phys_ofs)
374{ 374{
375 /* must be called under down_write(xattr_sem) */ 375 /* must be called under down_write(xattr_sem) */
376 struct jffs2_xattr_datum *xd; 376 struct jffs2_xattr_datum *xd;
@@ -419,7 +419,7 @@ static struct jffs2_xattr_datum *create_xattr_datum(struct jffs2_sb_info *c,
419 xd->value_len = xsize; 419 xd->value_len = xsize;
420 xd->data_crc = crc32(0, data, xd->name_len + 1 + xd->value_len); 420 xd->data_crc = crc32(0, data, xd->name_len + 1 + xd->value_len);
421 421
422 rc = save_xattr_datum(c, xd, phys_ofs); 422 rc = save_xattr_datum(c, xd);
423 if (rc) { 423 if (rc) {
424 kfree(xd->xname); 424 kfree(xd->xname);
425 jffs2_free_xattr_datum(xd); 425 jffs2_free_xattr_datum(xd);
@@ -446,9 +446,9 @@ static struct jffs2_xattr_datum *create_xattr_datum(struct jffs2_sb_info *c,
446 * delete_xattr_ref(c, ref) 446 * delete_xattr_ref(c, ref)
447 * is used to delete jffs2_xattr_ref object. If the reference counter of xdatum 447 * is used to delete jffs2_xattr_ref object. If the reference counter of xdatum
448 * is refered by this xref become 0, delete_xattr_datum() is called later. 448 * is refered by this xref become 0, delete_xattr_datum() is called later.
449 * save_xattr_ref(c, ref, phys_ofs) 449 * save_xattr_ref(c, ref)
450 * is used to write xref to medium. 450 * is used to write xref to medium.
451 * create_xattr_ref(c, ic, xd, phys_ofs) 451 * create_xattr_ref(c, ic, xd)
452 * is used to create a new xref and write to medium. 452 * is used to create a new xref and write to medium.
453 * jffs2_xattr_delete_inode(c, ic) 453 * jffs2_xattr_delete_inode(c, ic)
454 * is called to remove xrefs related to obsolete inode when inode is unlinked. 454 * is called to remove xrefs related to obsolete inode when inode is unlinked.
@@ -554,19 +554,19 @@ static void delete_xattr_ref(struct jffs2_sb_info *c, struct jffs2_xattr_ref *re
554 jffs2_free_xattr_ref(ref); 554 jffs2_free_xattr_ref(ref);
555} 555}
556 556
557static int save_xattr_ref(struct jffs2_sb_info *c, struct jffs2_xattr_ref *ref, uint32_t phys_ofs) 557static int save_xattr_ref(struct jffs2_sb_info *c, struct jffs2_xattr_ref *ref)
558{ 558{
559 /* must be called under down_write(xattr_sem) */ 559 /* must be called under down_write(xattr_sem) */
560 struct jffs2_raw_node_ref *raw; 560 struct jffs2_raw_node_ref *raw;
561 struct jffs2_raw_xref rr; 561 struct jffs2_raw_xref rr;
562 uint32_t length; 562 uint32_t length;
563 uint32_t phys_ofs = write_ofs(c);
563 int ret; 564 int ret;
564 565
565 raw = jffs2_alloc_raw_node_ref(); 566 raw = jffs2_alloc_raw_node_ref();
566 if (!raw) 567 if (!raw)
567 return -ENOMEM; 568 return -ENOMEM;
568 raw->flash_offset = phys_ofs; 569 raw->flash_offset = phys_ofs;
569 raw->next_in_ino = (void *)ref;
570 570
571 rr.magic = cpu_to_je16(JFFS2_MAGIC_BITMASK); 571 rr.magic = cpu_to_je16(JFFS2_MAGIC_BITMASK);
572 rr.nodetype = cpu_to_je16(JFFS2_NODETYPE_XREF); 572 rr.nodetype = cpu_to_je16(JFFS2_NODETYPE_XREF);
@@ -584,8 +584,7 @@ static int save_xattr_ref(struct jffs2_sb_info *c, struct jffs2_xattr_ref *ref,
584 ret = ret ? ret : -EIO; 584 ret = ret ? ret : -EIO;
585 if (length) { 585 if (length) {
586 raw->flash_offset |= REF_OBSOLETE; 586 raw->flash_offset |= REF_OBSOLETE;
587 raw->next_in_ino = NULL; 587 jffs2_add_physical_node_ref(c, raw, PAD(sizeof(rr)), NULL);
588 jffs2_add_physical_node_ref(c, raw, PAD(sizeof(rr)));
589 jffs2_mark_node_obsolete(c, raw); 588 jffs2_mark_node_obsolete(c, raw);
590 } else { 589 } else {
591 jffs2_free_raw_node_ref(raw); 590 jffs2_free_raw_node_ref(raw);
@@ -594,7 +593,8 @@ static int save_xattr_ref(struct jffs2_sb_info *c, struct jffs2_xattr_ref *ref,
594 } 593 }
595 raw->flash_offset |= REF_PRISTINE; 594 raw->flash_offset |= REF_PRISTINE;
596 595
597 jffs2_add_physical_node_ref(c, raw, PAD(sizeof(rr))); 596 jffs2_add_physical_node_ref(c, raw, PAD(sizeof(rr)), NULL);
597 /* FIXME */ raw->next_in_ino = (void *)ref;
598 if (ref->node) 598 if (ref->node)
599 delete_xattr_ref_node(c, ref); 599 delete_xattr_ref_node(c, ref);
600 ref->node = raw; 600 ref->node = raw;
@@ -605,7 +605,7 @@ static int save_xattr_ref(struct jffs2_sb_info *c, struct jffs2_xattr_ref *ref,
605} 605}
606 606
607static struct jffs2_xattr_ref *create_xattr_ref(struct jffs2_sb_info *c, struct jffs2_inode_cache *ic, 607static struct jffs2_xattr_ref *create_xattr_ref(struct jffs2_sb_info *c, struct jffs2_inode_cache *ic,
608 struct jffs2_xattr_datum *xd, uint32_t phys_ofs) 608 struct jffs2_xattr_datum *xd)
609{ 609{
610 /* must be called under down_write(xattr_sem) */ 610 /* must be called under down_write(xattr_sem) */
611 struct jffs2_xattr_ref *ref; 611 struct jffs2_xattr_ref *ref;
@@ -617,7 +617,7 @@ static struct jffs2_xattr_ref *create_xattr_ref(struct jffs2_sb_info *c, struct
617 ref->ic = ic; 617 ref->ic = ic;
618 ref->xd = xd; 618 ref->xd = xd;
619 619
620 ret = save_xattr_ref(c, ref, phys_ofs); 620 ret = save_xattr_ref(c, ref);
621 if (ret) { 621 if (ret) {
622 jffs2_free_xattr_ref(ref); 622 jffs2_free_xattr_ref(ref);
623 return ERR_PTR(ret); 623 return ERR_PTR(ret);
@@ -1063,7 +1063,7 @@ int do_jffs2_setxattr(struct inode *inode, int xprefix, const char *xname,
1063 struct jffs2_inode_cache *ic = f->inocache; 1063 struct jffs2_inode_cache *ic = f->inocache;
1064 struct jffs2_xattr_datum *xd; 1064 struct jffs2_xattr_datum *xd;
1065 struct jffs2_xattr_ref *ref, *newref, **pref; 1065 struct jffs2_xattr_ref *ref, *newref, **pref;
1066 uint32_t phys_ofs, length, request; 1066 uint32_t length, request;
1067 int rc; 1067 int rc;
1068 1068
1069 rc = check_xattr_ref_inode(c, ic); 1069 rc = check_xattr_ref_inode(c, ic);
@@ -1071,7 +1071,7 @@ int do_jffs2_setxattr(struct inode *inode, int xprefix, const char *xname,
1071 return rc; 1071 return rc;
1072 1072
1073 request = PAD(sizeof(struct jffs2_raw_xattr) + strlen(xname) + 1 + size); 1073 request = PAD(sizeof(struct jffs2_raw_xattr) + strlen(xname) + 1 + size);
1074 rc = jffs2_reserve_space(c, request, &phys_ofs, &length, 1074 rc = jffs2_reserve_space(c, request, &length,
1075 ALLOC_NORMAL, JFFS2_SUMMARY_XATTR_SIZE); 1075 ALLOC_NORMAL, JFFS2_SUMMARY_XATTR_SIZE);
1076 if (rc) { 1076 if (rc) {
1077 JFFS2_WARNING("jffs2_reserve_space()=%d, request=%u\n", rc, request); 1077 JFFS2_WARNING("jffs2_reserve_space()=%d, request=%u\n", rc, request);
@@ -1118,7 +1118,7 @@ int do_jffs2_setxattr(struct inode *inode, int xprefix, const char *xname,
1118 goto out; 1118 goto out;
1119 } 1119 }
1120 found: 1120 found:
1121 xd = create_xattr_datum(c, xprefix, xname, buffer, size, phys_ofs); 1121 xd = create_xattr_datum(c, xprefix, xname, buffer, size);
1122 if (IS_ERR(xd)) { 1122 if (IS_ERR(xd)) {
1123 rc = PTR_ERR(xd); 1123 rc = PTR_ERR(xd);
1124 goto out; 1124 goto out;
@@ -1128,7 +1128,7 @@ int do_jffs2_setxattr(struct inode *inode, int xprefix, const char *xname,
1128 1128
1129 /* create xattr_ref */ 1129 /* create xattr_ref */
1130 request = PAD(sizeof(struct jffs2_raw_xref)); 1130 request = PAD(sizeof(struct jffs2_raw_xref));
1131 rc = jffs2_reserve_space(c, request, &phys_ofs, &length, 1131 rc = jffs2_reserve_space(c, request, &length,
1132 ALLOC_NORMAL, JFFS2_SUMMARY_XREF_SIZE); 1132 ALLOC_NORMAL, JFFS2_SUMMARY_XREF_SIZE);
1133 if (rc) { 1133 if (rc) {
1134 JFFS2_WARNING("jffs2_reserve_space()=%d, request=%u\n", rc, request); 1134 JFFS2_WARNING("jffs2_reserve_space()=%d, request=%u\n", rc, request);
@@ -1142,7 +1142,7 @@ int do_jffs2_setxattr(struct inode *inode, int xprefix, const char *xname,
1142 down_write(&c->xattr_sem); 1142 down_write(&c->xattr_sem);
1143 if (ref) 1143 if (ref)
1144 *pref = ref->next; 1144 *pref = ref->next;
1145 newref = create_xattr_ref(c, ic, xd, phys_ofs); 1145 newref = create_xattr_ref(c, ic, xd);
1146 if (IS_ERR(newref)) { 1146 if (IS_ERR(newref)) {
1147 if (ref) { 1147 if (ref) {
1148 ref->next = ic->xref; 1148 ref->next = ic->xref;
@@ -1171,7 +1171,7 @@ int do_jffs2_setxattr(struct inode *inode, int xprefix, const char *xname,
1171 * -------------------------------------------------- */ 1171 * -------------------------------------------------- */
1172int jffs2_garbage_collect_xattr_datum(struct jffs2_sb_info *c, struct jffs2_xattr_datum *xd) 1172int jffs2_garbage_collect_xattr_datum(struct jffs2_sb_info *c, struct jffs2_xattr_datum *xd)
1173{ 1173{
1174 uint32_t phys_ofs, totlen, length, old_ofs; 1174 uint32_t totlen, length, old_ofs;
1175 int rc = -EINVAL; 1175 int rc = -EINVAL;
1176 1176
1177 down_write(&c->xattr_sem); 1177 down_write(&c->xattr_sem);
@@ -1191,13 +1191,13 @@ int jffs2_garbage_collect_xattr_datum(struct jffs2_sb_info *c, struct jffs2_xatt
1191 } else if (unlikely(rc < 0)) 1191 } else if (unlikely(rc < 0))
1192 goto out; 1192 goto out;
1193 } 1193 }
1194 rc = jffs2_reserve_space_gc(c, totlen, &phys_ofs, &length, JFFS2_SUMMARY_XATTR_SIZE); 1194 rc = jffs2_reserve_space_gc(c, totlen, &length, JFFS2_SUMMARY_XATTR_SIZE);
1195 if (rc || length < totlen) { 1195 if (rc || length < totlen) {
1196 JFFS2_WARNING("jffs2_reserve_space()=%d, request=%u\n", rc, totlen); 1196 JFFS2_WARNING("jffs2_reserve_space()=%d, request=%u\n", rc, totlen);
1197 rc = rc ? rc : -EBADFD; 1197 rc = rc ? rc : -EBADFD;
1198 goto out; 1198 goto out;
1199 } 1199 }
1200 rc = save_xattr_datum(c, xd, phys_ofs); 1200 rc = save_xattr_datum(c, xd);
1201 if (!rc) 1201 if (!rc)
1202 dbg_xattr("xdatum (xid=%u, version=%u) GC'ed from %#08x to %08x\n", 1202 dbg_xattr("xdatum (xid=%u, version=%u) GC'ed from %#08x to %08x\n",
1203 xd->xid, xd->version, old_ofs, ref_offset(xd->node)); 1203 xd->xid, xd->version, old_ofs, ref_offset(xd->node));
@@ -1209,7 +1209,7 @@ int jffs2_garbage_collect_xattr_datum(struct jffs2_sb_info *c, struct jffs2_xatt
1209 1209
1210int jffs2_garbage_collect_xattr_ref(struct jffs2_sb_info *c, struct jffs2_xattr_ref *ref) 1210int jffs2_garbage_collect_xattr_ref(struct jffs2_sb_info *c, struct jffs2_xattr_ref *ref)
1211{ 1211{
1212 uint32_t phys_ofs, totlen, length, old_ofs; 1212 uint32_t totlen, length, old_ofs;
1213 int rc = -EINVAL; 1213 int rc = -EINVAL;
1214 1214
1215 down_write(&c->xattr_sem); 1215 down_write(&c->xattr_sem);
@@ -1220,14 +1220,14 @@ int jffs2_garbage_collect_xattr_ref(struct jffs2_sb_info *c, struct jffs2_xattr_
1220 if (totlen != sizeof(struct jffs2_raw_xref)) 1220 if (totlen != sizeof(struct jffs2_raw_xref))
1221 goto out; 1221 goto out;
1222 1222
1223 rc = jffs2_reserve_space_gc(c, totlen, &phys_ofs, &length, JFFS2_SUMMARY_XREF_SIZE); 1223 rc = jffs2_reserve_space_gc(c, totlen, &length, JFFS2_SUMMARY_XREF_SIZE);
1224 if (rc || length < totlen) { 1224 if (rc || length < totlen) {
1225 JFFS2_WARNING("%s: jffs2_reserve_space() = %d, request = %u\n", 1225 JFFS2_WARNING("%s: jffs2_reserve_space() = %d, request = %u\n",
1226 __FUNCTION__, rc, totlen); 1226 __FUNCTION__, rc, totlen);
1227 rc = rc ? rc : -EBADFD; 1227 rc = rc ? rc : -EBADFD;
1228 goto out; 1228 goto out;
1229 } 1229 }
1230 rc = save_xattr_ref(c, ref, phys_ofs); 1230 rc = save_xattr_ref(c, ref);
1231 if (!rc) 1231 if (!rc)
1232 dbg_xattr("xref (ino=%u, xid=%u) GC'ed from %#08x to %08x\n", 1232 dbg_xattr("xref (ino=%u, xid=%u) GC'ed from %#08x to %08x\n",
1233 ref->ic->ino, ref->xd->xid, old_ofs, ref_offset(ref->node)); 1233 ref->ic->ino, ref->xd->xid, old_ofs, ref_offset(ref->node));