[PATCH] mutex subsystem, semaphore to mutex: VFS, ->i_sem

This patch converts the inode semaphore to a mutex. I have tested it on
XFS and compiled as much as one can consider on an ia64. Anyway your
luck with it might be different.

Modified-by: Ingo Molnar <mingo@elte.hu>

(finished the conversion)

Signed-off-by: Jes Sorensen <jes@sgi.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

1 files changed, 3 insertions, 3 deletions

diff --git a/fs/fifo.c b/fs/fifo.c
index 5455916241f0..923371b753ab 100644
--- a/fs/fifo.c
+++ b/fs/fifo.c
@@ -35,7 +35,7 @@ static int fifo_open(struct inode *inode, struct file *filp)
         int ret;
 
         ret = -ERESTARTSYS;
-        if (down_interruptible(PIPE_SEM(*inode)))
+        if (mutex_lock_interruptible(PIPE_MUTEX(*inode)))
                 goto err_nolock_nocleanup;
 
         if (!inode->i_pipe) {
@@ -119,7 +119,7 @@ static int fifo_open(struct inode *inode, struct file *filp)
         }
 
         /* Ok! */
-        up(PIPE_SEM(*inode));
+        mutex_unlock(PIPE_MUTEX(*inode));
         return 0;
 
 err_rd:
@@ -139,7 +139,7 @@ err:
                 free_pipe_info(inode);
 
 err_nocleanup:
-        up(PIPE_SEM(*inode));
+        mutex_unlock(PIPE_MUTEX(*inode));
 
 err_nolock_nocleanup:
         return ret;