From: Andrew Morton <akpm@linux-foundation.org>

speedup

Cc: Jan Kara <jack@suse.cz>
Cc: Nick <gentuu@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 fs/dquot.c |    6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff -puN fs/dquot.c~quota-improve-inode-list-scanning-in-add_dquot_ref-fix fs/dquot.c
--- a/fs/dquot.c~quota-improve-inode-list-scanning-in-add_dquot_ref-fix
+++ a/fs/dquot.c
@@ -710,8 +710,7 @@ static void add_dquot_ref(struct super_b
 		__iget(inode);
 		spin_unlock(&inode_lock);
 
-		if (old_inode)
-			iput(old_inode);
+		iput(old_inode);
 		sb->dq_op->initialize(inode, type);
 		/* We hold a reference to 'inode' so it couldn't have been
 		 * removed from s_inodes list while we dropped the inode_lock.
@@ -722,8 +721,7 @@ static void add_dquot_ref(struct super_b
 		spin_lock(&inode_lock);
 	}
 	spin_unlock(&inode_lock);
-	if (old_inode)
-		iput(old_inode);
+	iput(old_inode);
 }
 
 /* Return 0 if dqput() won't block (note that 1 doesn't necessarily mean blocking) */
_