[PATCH] convert ext3's truncate_sem to a mutex

ext3's truncate_sem is always released in the same function it's taken
and it otherwise is a mutex as well..

Signed-off-by: Arjan van de Ven <arjan@infradead.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

1 files changed, 2 insertions, 2 deletions

diff --git a/fs/ext3/ioctl.c b/fs/ext3/ioctl.c
index 556cd5510078..aaf1da17b6d4 100644
--- a/fs/ext3/ioctl.c
+++ b/fs/ext3/ioctl.c
@@ -182,7 +182,7 @@ flags_err:
                  * need to allocate reservation structure for this inode
                  * before set the window size
                  */
-                down(&ei->truncate_sem);
+                mutex_lock(&ei->truncate_mutex);
                 if (!ei->i_block_alloc_info)
                         ext3_init_block_alloc_info(inode);
 
@@ -190,7 +190,7 @@ flags_err:
                         struct ext3_reserve_window_node *rsv = &ei->i_block_alloc_info->rsv_window_node;
                         rsv->rsv_goal_size = rsv_window_size;
                 }
-                up(&ei->truncate_sem);
+                mutex_unlock(&ei->truncate_mutex);
                 return 0;
         }
         case EXT3_IOC_GROUP_EXTEND: {