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authorIngo Molnar <mingo@elte.hu>2010-02-25 09:40:22 +0100
committerIngo Molnar <mingo@elte.hu>2010-02-25 09:40:26 +0100
commit996de8c6fe95c5a9fc524241cc8f142ef0605d3d (patch)
tree0f637ab0d80d6d7e213707ac2d8c1cc16b69523c /fs/cachefiles/namei.c
parent017c426138122c8e9b9f5057fbd0567c37b35247 (diff)
parent60b341b778cc2929df16c0a504c91621b3c6a4ad (diff)
Merge commit 'v2.6.33' into core/rcu
Merge reason: Update from -rc4 to -final. Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'fs/cachefiles/namei.c')
-rw-r--r--fs/cachefiles/namei.c12
1 files changed, 11 insertions, 1 deletions
diff --git a/fs/cachefiles/namei.c b/fs/cachefiles/namei.c
index 14ac4806e29..eeb4986ea7d 100644
--- a/fs/cachefiles/namei.c
+++ b/fs/cachefiles/namei.c
@@ -348,7 +348,17 @@ int cachefiles_delete_object(struct cachefiles_cache *cache,
dir = dget_parent(object->dentry);
mutex_lock_nested(&dir->d_inode->i_mutex, I_MUTEX_PARENT);
- ret = cachefiles_bury_object(cache, dir, object->dentry);
+
+ /* we need to check that our parent is _still_ our parent - it may have
+ * been renamed */
+ if (dir == object->dentry->d_parent) {
+ ret = cachefiles_bury_object(cache, dir, object->dentry);
+ } else {
+ /* it got moved, presumably by cachefilesd culling it, so it's
+ * no longer in the key path and we can ignore it */
+ mutex_unlock(&dir->d_inode->i_mutex);
+ ret = 0;
+ }
dput(dir);
_leave(" = %d", ret);