diff options
| author | Takashi Iwai <tiwai@suse.de> | 2009-03-17 09:28:13 +0100 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2009-03-17 09:28:13 +0100 |
| commit | 37ba1b62836d2440980cf553c49556393b05c6cd (patch) | |
| tree | 3bbd9b76117d484d5a624db1b2b9ec0181c7ff55 /fs/xfs/xfs_iget.c | |
| parent | 1713c0d508fbbb42aa5f90039195e5ac31a50625 (diff) | |
| parent | dde332b660cf0bc2baaba678b52768a0fb6e6da2 (diff) | |
Merge branch 'fix/opl3sa2-suspend' into topic/isa-misc
Diffstat (limited to 'fs/xfs/xfs_iget.c')
| -rw-r--r-- | fs/xfs/xfs_iget.c | 15 |
1 files changed, 10 insertions, 5 deletions
diff --git a/fs/xfs/xfs_iget.c b/fs/xfs/xfs_iget.c index e2fb6210d4c..478e587087f 100644 --- a/fs/xfs/xfs_iget.c +++ b/fs/xfs/xfs_iget.c @@ -246,9 +246,6 @@ xfs_iget_cache_miss( goto out_destroy; } - if (lock_flags) - xfs_ilock(ip, lock_flags); - /* * Preload the radix tree so we can insert safely under the * write spinlock. Note that we cannot sleep inside the preload @@ -256,7 +253,16 @@ xfs_iget_cache_miss( */ if (radix_tree_preload(GFP_KERNEL)) { error = EAGAIN; - goto out_unlock; + goto out_destroy; + } + + /* + * Because the inode hasn't been added to the radix-tree yet it can't + * be found by another thread, so we can do the non-sleeping lock here. + */ + if (lock_flags) { + if (!xfs_ilock_nowait(ip, lock_flags)) + BUG(); } mask = ~(((XFS_INODE_CLUSTER_SIZE(mp) >> mp->m_sb.sb_inodelog)) - 1); @@ -284,7 +290,6 @@ xfs_iget_cache_miss( out_preload_end: write_unlock(&pag->pag_ici_lock); radix_tree_preload_end(); -out_unlock: if (lock_flags) xfs_iunlock(ip, lock_flags); out_destroy: |