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authorSimon Horman <horms@verge.net.au>2008-09-10 09:14:52 +1000
committerSimon Horman <horms@verge.net.au>2008-09-10 09:14:52 +1000
commitc051a0a2c9e283c1123ed3ce65e66e41d2ce5e24 (patch)
tree1202d018129ca5538cd98b1e4542b239045c1a2d /fs/configfs
parente9c0ce232e7a36daae1ca08282609d7f0c57c567 (diff)
parent28faa979746b2352cd78a376bf9f52db953bda46 (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6 into lvs-next-2.6
Diffstat (limited to 'fs/configfs')
-rw-r--r--fs/configfs/dir.c17
1 files changed, 7 insertions, 10 deletions
diff --git a/fs/configfs/dir.c b/fs/configfs/dir.c
index 7a8db78a91d..8e93341f3e8 100644
--- a/fs/configfs/dir.c
+++ b/fs/configfs/dir.c
@@ -1311,16 +1311,18 @@ static int configfs_rmdir(struct inode *dir, struct dentry *dentry)
* Ensure that no racing symlink() will make detach_prep() fail while
* the new link is temporarily attached
*/
- mutex_lock(&configfs_symlink_mutex);
- spin_lock(&configfs_dirent_lock);
do {
struct mutex *wait_mutex;
+ mutex_lock(&configfs_symlink_mutex);
+ spin_lock(&configfs_dirent_lock);
ret = configfs_detach_prep(dentry, &wait_mutex);
- if (ret) {
+ if (ret)
configfs_detach_rollback(dentry);
- spin_unlock(&configfs_dirent_lock);
- mutex_unlock(&configfs_symlink_mutex);
+ spin_unlock(&configfs_dirent_lock);
+ mutex_unlock(&configfs_symlink_mutex);
+
+ if (ret) {
if (ret != -EAGAIN) {
config_item_put(parent_item);
return ret;
@@ -1329,13 +1331,8 @@ static int configfs_rmdir(struct inode *dir, struct dentry *dentry)
/* Wait until the racing operation terminates */
mutex_lock(wait_mutex);
mutex_unlock(wait_mutex);
-
- mutex_lock(&configfs_symlink_mutex);
- spin_lock(&configfs_dirent_lock);
}
} while (ret == -EAGAIN);
- spin_unlock(&configfs_dirent_lock);
- mutex_unlock(&configfs_symlink_mutex);
/* Get a working ref for the duration of this function */
item = configfs_get_config_item(dentry);