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authorDavid Woodhouse <David.Woodhouse@intel.com>2008-09-01 11:32:13 +0100
committerDavid Woodhouse <David.Woodhouse@intel.com>2008-09-01 11:32:13 +0100
commit9d7548d4ca3c52ecb58f098a32b0756cdf8f96ee (patch)
tree651f7058bbaa2d8b2855286380d614afcf505118 /fs/configfs/dir.c
parent31db6e9ea1dbdcf66b8227b4f7035dee1b1dd8c0 (diff)
parentbef69ea0dcce574a425feb0a5aa4c63dd108b9a6 (diff)
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
Diffstat (limited to 'fs/configfs/dir.c')
-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 7a8db78a91d2..8e93341f3e82 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);