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authorTrond Myklebust <Trond.Myklebust@netapp.com>2006-06-24 08:41:41 -0400
committerTrond Myklebust <Trond.Myklebust@netapp.com>2006-06-24 13:07:53 -0400
commit816724e65c72a90a44fbad0ef0b59b186c85fa90 (patch)
tree421fa29aedff988e392f92780637553e275d37a0 /fs/xfs/xfs_rename.c
parent70ac4385a13f78bc478f26d317511893741b05bd (diff)
parentd384ea691fe4ea8c2dd5b9b8d9042eb181776f18 (diff)
Merge branch 'master' of /home/trondmy/kernel/linux-2.6/
Conflicts: fs/nfs/inode.c fs/super.c Fix conflicts between patch 'NFS: Split fs/nfs/inode.c' and patch 'VFS: Permit filesystem to override root dentry on mount'
Diffstat (limited to 'fs/xfs/xfs_rename.c')
-rw-r--r--fs/xfs/xfs_rename.c68
1 files changed, 26 insertions, 42 deletions
diff --git a/fs/xfs/xfs_rename.c b/fs/xfs/xfs_rename.c
index 1f148762eb28..d98171deaa1c 100644
--- a/fs/xfs/xfs_rename.c
+++ b/fs/xfs/xfs_rename.c
@@ -22,13 +22,11 @@
22#include "xfs_inum.h" 22#include "xfs_inum.h"
23#include "xfs_trans.h" 23#include "xfs_trans.h"
24#include "xfs_sb.h" 24#include "xfs_sb.h"
25#include "xfs_dir.h"
26#include "xfs_dir2.h" 25#include "xfs_dir2.h"
27#include "xfs_dmapi.h" 26#include "xfs_dmapi.h"
28#include "xfs_mount.h" 27#include "xfs_mount.h"
29#include "xfs_da_btree.h" 28#include "xfs_da_btree.h"
30#include "xfs_bmap_btree.h" 29#include "xfs_bmap_btree.h"
31#include "xfs_dir_sf.h"
32#include "xfs_dir2_sf.h" 30#include "xfs_dir2_sf.h"
33#include "xfs_attr_sf.h" 31#include "xfs_attr_sf.h"
34#include "xfs_dinode.h" 32#include "xfs_dinode.h"
@@ -40,7 +38,6 @@
40#include "xfs_refcache.h" 38#include "xfs_refcache.h"
41#include "xfs_utils.h" 39#include "xfs_utils.h"
42#include "xfs_trans_space.h" 40#include "xfs_trans_space.h"
43#include "xfs_dir_leaf.h"
44 41
45 42
46/* 43/*
@@ -87,8 +84,8 @@ STATIC int
87xfs_lock_for_rename( 84xfs_lock_for_rename(
88 xfs_inode_t *dp1, /* old (source) directory inode */ 85 xfs_inode_t *dp1, /* old (source) directory inode */
89 xfs_inode_t *dp2, /* new (target) directory inode */ 86 xfs_inode_t *dp2, /* new (target) directory inode */
90 vname_t *vname1,/* old entry name */ 87 bhv_vname_t *vname1,/* old entry name */
91 vname_t *vname2,/* new entry name */ 88 bhv_vname_t *vname2,/* new entry name */
92 xfs_inode_t **ipp1, /* inode of old entry */ 89 xfs_inode_t **ipp1, /* inode of old entry */
93 xfs_inode_t **ipp2, /* inode of new entry, if it 90 xfs_inode_t **ipp2, /* inode of new entry, if it
94 already exists, NULL otherwise. */ 91 already exists, NULL otherwise. */
@@ -225,9 +222,9 @@ xfs_lock_for_rename(
225int 222int
226xfs_rename( 223xfs_rename(
227 bhv_desc_t *src_dir_bdp, 224 bhv_desc_t *src_dir_bdp,
228 vname_t *src_vname, 225 bhv_vname_t *src_vname,
229 vnode_t *target_dir_vp, 226 bhv_vnode_t *target_dir_vp,
230 vname_t *target_vname, 227 bhv_vname_t *target_vname,
231 cred_t *credp) 228 cred_t *credp)
232{ 229{
233 xfs_trans_t *tp; 230 xfs_trans_t *tp;
@@ -242,7 +239,7 @@ xfs_rename(
242 int committed; 239 int committed;
243 xfs_inode_t *inodes[4]; 240 xfs_inode_t *inodes[4];
244 int target_ip_dropped = 0; /* dropped target_ip link? */ 241 int target_ip_dropped = 0; /* dropped target_ip link? */
245 vnode_t *src_dir_vp; 242 bhv_vnode_t *src_dir_vp;
246 int spaceres; 243 int spaceres;
247 int target_link_zero = 0; 244 int target_link_zero = 0;
248 int num_inodes; 245 int num_inodes;
@@ -398,34 +395,29 @@ xfs_rename(
398 * fit before actually inserting it. 395 * fit before actually inserting it.
399 */ 396 */
400 if (spaceres == 0 && 397 if (spaceres == 0 &&
401 (error = XFS_DIR_CANENTER(mp, tp, target_dp, target_name, 398 (error = xfs_dir_canenter(tp, target_dp, target_name,
402 target_namelen))) { 399 target_namelen)))
403 goto error_return; 400 goto error_return;
404 }
405 /* 401 /*
406 * If target does not exist and the rename crosses 402 * If target does not exist and the rename crosses
407 * directories, adjust the target directory link count 403 * directories, adjust the target directory link count
408 * to account for the ".." reference from the new entry. 404 * to account for the ".." reference from the new entry.
409 */ 405 */
410 error = XFS_DIR_CREATENAME(mp, tp, target_dp, target_name, 406 error = xfs_dir_createname(tp, target_dp, target_name,
411 target_namelen, src_ip->i_ino, 407 target_namelen, src_ip->i_ino,
412 &first_block, &free_list, spaceres); 408 &first_block, &free_list, spaceres);
413 if (error == ENOSPC) { 409 if (error == ENOSPC)
414 goto error_return; 410 goto error_return;
415 } 411 if (error)
416 if (error) {
417 goto abort_return; 412 goto abort_return;
418 }
419 xfs_ichgtime(target_dp, XFS_ICHGTIME_MOD | XFS_ICHGTIME_CHG); 413 xfs_ichgtime(target_dp, XFS_ICHGTIME_MOD | XFS_ICHGTIME_CHG);
420 414
421 if (new_parent && src_is_directory) { 415 if (new_parent && src_is_directory) {
422 error = xfs_bumplink(tp, target_dp); 416 error = xfs_bumplink(tp, target_dp);
423 if (error) { 417 if (error)
424 goto abort_return; 418 goto abort_return;
425 }
426 } 419 }
427 } else { /* target_ip != NULL */ 420 } else { /* target_ip != NULL */
428
429 /* 421 /*
430 * If target exists and it's a directory, check that both 422 * If target exists and it's a directory, check that both
431 * target and source are directories and that target can be 423 * target and source are directories and that target can be
@@ -435,7 +427,7 @@ xfs_rename(
435 /* 427 /*
436 * Make sure target dir is empty. 428 * Make sure target dir is empty.
437 */ 429 */
438 if (!(XFS_DIR_ISEMPTY(target_ip->i_mount, target_ip)) || 430 if (!(xfs_dir_isempty(target_ip)) ||
439 (target_ip->i_d.di_nlink > 2)) { 431 (target_ip->i_d.di_nlink > 2)) {
440 error = XFS_ERROR(EEXIST); 432 error = XFS_ERROR(EEXIST);
441 goto error_return; 433 goto error_return;
@@ -451,12 +443,11 @@ xfs_rename(
451 * In case there is already an entry with the same 443 * In case there is already an entry with the same
452 * name at the destination directory, remove it first. 444 * name at the destination directory, remove it first.
453 */ 445 */
454 error = XFS_DIR_REPLACE(mp, tp, target_dp, target_name, 446 error = xfs_dir_replace(tp, target_dp, target_name,
455 target_namelen, src_ip->i_ino, &first_block, 447 target_namelen, src_ip->i_ino,
456 &free_list, spaceres); 448 &first_block, &free_list, spaceres);
457 if (error) { 449 if (error)
458 goto abort_return; 450 goto abort_return;
459 }
460 xfs_ichgtime(target_dp, XFS_ICHGTIME_MOD | XFS_ICHGTIME_CHG); 451 xfs_ichgtime(target_dp, XFS_ICHGTIME_MOD | XFS_ICHGTIME_CHG);
461 452
462 /* 453 /*
@@ -464,9 +455,8 @@ xfs_rename(
464 * dir no longer points to it. 455 * dir no longer points to it.
465 */ 456 */
466 error = xfs_droplink(tp, target_ip); 457 error = xfs_droplink(tp, target_ip);
467 if (error) { 458 if (error)
468 goto abort_return; 459 goto abort_return;
469 }
470 target_ip_dropped = 1; 460 target_ip_dropped = 1;
471 461
472 if (src_is_directory) { 462 if (src_is_directory) {
@@ -474,9 +464,8 @@ xfs_rename(
474 * Drop the link from the old "." entry. 464 * Drop the link from the old "." entry.
475 */ 465 */
476 error = xfs_droplink(tp, target_ip); 466 error = xfs_droplink(tp, target_ip);
477 if (error) { 467 if (error)
478 goto abort_return; 468 goto abort_return;
479 }
480 } 469 }
481 470
482 /* Do this test while we still hold the locks */ 471 /* Do this test while we still hold the locks */
@@ -488,18 +477,15 @@ xfs_rename(
488 * Remove the source. 477 * Remove the source.
489 */ 478 */
490 if (new_parent && src_is_directory) { 479 if (new_parent && src_is_directory) {
491
492 /* 480 /*
493 * Rewrite the ".." entry to point to the new 481 * Rewrite the ".." entry to point to the new
494 * directory. 482 * directory.
495 */ 483 */
496 error = XFS_DIR_REPLACE(mp, tp, src_ip, "..", 2, 484 error = xfs_dir_replace(tp, src_ip, "..", 2, target_dp->i_ino,
497 target_dp->i_ino, &first_block, 485 &first_block, &free_list, spaceres);
498 &free_list, spaceres);
499 ASSERT(error != EEXIST); 486 ASSERT(error != EEXIST);
500 if (error) { 487 if (error)
501 goto abort_return; 488 goto abort_return;
502 }
503 xfs_ichgtime(src_ip, XFS_ICHGTIME_MOD | XFS_ICHGTIME_CHG); 489 xfs_ichgtime(src_ip, XFS_ICHGTIME_MOD | XFS_ICHGTIME_CHG);
504 490
505 } else { 491 } else {
@@ -527,16 +513,14 @@ xfs_rename(
527 * entry that's moved no longer points to it. 513 * entry that's moved no longer points to it.
528 */ 514 */
529 error = xfs_droplink(tp, src_dp); 515 error = xfs_droplink(tp, src_dp);
530 if (error) { 516 if (error)
531 goto abort_return; 517 goto abort_return;
532 }
533 } 518 }
534 519
535 error = XFS_DIR_REMOVENAME(mp, tp, src_dp, src_name, src_namelen, 520 error = xfs_dir_removename(tp, src_dp, src_name, src_namelen,
536 src_ip->i_ino, &first_block, &free_list, spaceres); 521 src_ip->i_ino, &first_block, &free_list, spaceres);
537 if (error) { 522 if (error)
538 goto abort_return; 523 goto abort_return;
539 }
540 xfs_ichgtime(src_dp, XFS_ICHGTIME_MOD | XFS_ICHGTIME_CHG); 524 xfs_ichgtime(src_dp, XFS_ICHGTIME_MOD | XFS_ICHGTIME_CHG);
541 525
542 /* 526 /*
@@ -609,7 +593,7 @@ xfs_rename(
609 * Let interposed file systems know about removed links. 593 * Let interposed file systems know about removed links.
610 */ 594 */
611 if (target_ip_dropped) { 595 if (target_ip_dropped) {
612 VOP_LINK_REMOVED(XFS_ITOV(target_ip), target_dir_vp, 596 bhv_vop_link_removed(XFS_ITOV(target_ip), target_dir_vp,
613 target_link_zero); 597 target_link_zero);
614 IRELE(target_ip); 598 IRELE(target_ip);
615 } 599 }