[PATCH] i_mutex does not need to be locked in reiserfs_delete_inode()

Fixes an i_mutex-inside-i_mutex lockdep nasty.

Signed-off-by: Alexander Zarochentsev <zam@namesys.com>
Cc: <reiserfs-dev@namesys.com>
Cc: Hans Reiser <reiser@namesys.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

1 files changed, 2 insertions, 10 deletions

diff --git a/fs/reiserfs/inode.c b/fs/reiserfs/inode.c
index 12dfdcfbee3d..ac57305b1afc 100644
--- a/fs/reiserfs/inode.c
+++ b/fs/reiserfs/inode.c
@@ -39,14 +39,10 @@ void reiserfs_delete_inode(struct inode *inode)
 
         /* The = 0 happens when we abort creating a new inode for some reason like lack of space.. */
         if (!(inode->i_state & I_NEW) && INODE_PKEY(inode)->k_objectid != 0) {  /* also handles bad_inode case */
-                mutex_lock(&inode->i_mutex);
-
                 reiserfs_delete_xattrs(inode);
 
-                if (journal_begin(&th, inode->i_sb, jbegin_count)) {
-                        mutex_unlock(&inode->i_mutex);
+                if (journal_begin(&th, inode->i_sb, jbegin_count))
                         goto out;
-                }
                 reiserfs_update_inode_transaction(inode);
 
                 err = reiserfs_delete_object(&th, inode);
@@ -57,12 +53,8 @@ void reiserfs_delete_inode(struct inode *inode)
                 if (!err) 
                         DQUOT_FREE_INODE(inode);
 
-                if (journal_end(&th, inode->i_sb, jbegin_count)) {
-                        mutex_unlock(&inode->i_mutex);
+                if (journal_end(&th, inode->i_sb, jbegin_count))
                         goto out;
-                }
-
-                mutex_unlock(&inode->i_mutex);
 
                 /* check return value from reiserfs_delete_object after
                  * ending the transaction