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authorNick Piggin <npiggin@kernel.dk>2011-01-07 17:49:33 +1100
committerNick Piggin <npiggin@kernel.dk>2011-01-07 17:50:21 +1100
commitda5029563a0a026c64821b09e8e7b4fd81d3fe1b (patch)
tree5d5618e0cb382390073377b1be7d0aa76879ac54 /arch/powerpc/platforms/cell/spufs/inode.c
parentb7ab39f631f505edc2bbdb86620d5493f995c9da (diff)
downloadlinux-linaro-stable-da5029563a0a026c64821b09e8e7b4fd81d3fe1b.tar.gz
fs: dcache scale d_unhashed
Protect d_unhashed(dentry) condition with d_lock. This means keeping DCACHE_UNHASHED bit in synch with hash manipulations. Signed-off-by: Nick Piggin <npiggin@kernel.dk>
Diffstat (limited to 'arch/powerpc/platforms/cell/spufs/inode.c')
-rw-r--r--arch/powerpc/platforms/cell/spufs/inode.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/powerpc/platforms/cell/spufs/inode.c b/arch/powerpc/platforms/cell/spufs/inode.c
index 29a406a77547..5aef1a7f5e4b 100644
--- a/arch/powerpc/platforms/cell/spufs/inode.c
+++ b/arch/powerpc/platforms/cell/spufs/inode.c
@@ -166,6 +166,9 @@ static void spufs_prune_dir(struct dentry *dir)
__d_drop(dentry);
spin_unlock(&dentry->d_lock);
simple_unlink(dir->d_inode, dentry);
+ /* XXX: what is dcache_lock protecting here? Other
+ * filesystems (IB, configfs) release dcache_lock
+ * before unlink */
spin_unlock(&dcache_lock);
dput(dentry);
} else {