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authorDave Chinner <dchinner@redhat.com>2010-06-23 21:35:17 -0400
committerDave Chinner <david@fromorbit.com>2010-06-23 21:35:17 -0400
commit7b6259e7a83647948fa33a736cc832310c8d85aa (patch)
tree99bb872b179a93f5e32b51f312029abb1237b055 /fs/xfs/xfs_iget.c
parent1920779e67cbf5ea8afef317777c5bf2b8096188 (diff)
xfs: remove block number from inode lookup code
The block number comes from bulkstat based inode lookups to shortcut the mapping calculations. We ar enot able to trust anything from bulkstat, so drop the block number as well so that the correct lookups and mappings are always done. Signed-off-by: Dave Chinner <dchinner@redhat.com> Reviewed-by: Christoph Hellwig <hch@lst.de>
Diffstat (limited to 'fs/xfs/xfs_iget.c')
-rw-r--r--fs/xfs/xfs_iget.c10
1 files changed, 3 insertions, 7 deletions
diff --git a/fs/xfs/xfs_iget.c b/fs/xfs/xfs_iget.c
index 75df75f43d48..8f8b91be2c99 100644
--- a/fs/xfs/xfs_iget.c
+++ b/fs/xfs/xfs_iget.c
@@ -259,7 +259,6 @@ xfs_iget_cache_miss(
259 xfs_trans_t *tp, 259 xfs_trans_t *tp,
260 xfs_ino_t ino, 260 xfs_ino_t ino,
261 struct xfs_inode **ipp, 261 struct xfs_inode **ipp,
262 xfs_daddr_t bno,
263 int flags, 262 int flags,
264 int lock_flags) 263 int lock_flags)
265{ 264{
@@ -272,7 +271,7 @@ xfs_iget_cache_miss(
272 if (!ip) 271 if (!ip)
273 return ENOMEM; 272 return ENOMEM;
274 273
275 error = xfs_iread(mp, tp, ip, bno, flags); 274 error = xfs_iread(mp, tp, ip, flags);
276 if (error) 275 if (error)
277 goto out_destroy; 276 goto out_destroy;
278 277
@@ -358,8 +357,6 @@ out_destroy:
358 * within the file system for the inode being requested. 357 * within the file system for the inode being requested.
359 * lock_flags -- flags indicating how to lock the inode. See the comment 358 * lock_flags -- flags indicating how to lock the inode. See the comment
360 * for xfs_ilock() for a list of valid values. 359 * for xfs_ilock() for a list of valid values.
361 * bno -- the block number starting the buffer containing the inode,
362 * if known (as by bulkstat), else 0.
363 */ 360 */
364int 361int
365xfs_iget( 362xfs_iget(
@@ -368,8 +365,7 @@ xfs_iget(
368 xfs_ino_t ino, 365 xfs_ino_t ino,
369 uint flags, 366 uint flags,
370 uint lock_flags, 367 uint lock_flags,
371 xfs_inode_t **ipp, 368 xfs_inode_t **ipp)
372 xfs_daddr_t bno)
373{ 369{
374 xfs_inode_t *ip; 370 xfs_inode_t *ip;
375 int error; 371 int error;
@@ -397,7 +393,7 @@ again:
397 read_unlock(&pag->pag_ici_lock); 393 read_unlock(&pag->pag_ici_lock);
398 XFS_STATS_INC(xs_ig_missed); 394 XFS_STATS_INC(xs_ig_missed);
399 395
400 error = xfs_iget_cache_miss(mp, pag, tp, ino, &ip, bno, 396 error = xfs_iget_cache_miss(mp, pag, tp, ino, &ip,
401 flags, lock_flags); 397 flags, lock_flags);
402 if (error) 398 if (error)
403 goto out_error_or_again; 399 goto out_error_or_again;