[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>
diff --git a/fs/jffs/inode-v23.c b/fs/jffs/inode-v23.c
index 2559ee10..fc3855a 100644
--- a/fs/jffs/inode-v23.c
+++ b/fs/jffs/inode-v23.c
@@ -1415,7 +1415,7 @@
 	 * This will never trigger with sane page sizes.  leave it in
 	 * anyway, since I'm thinking about how to merge larger writes
 	 * (the current idea is to poke a thread that does the actual
-	 * I/O and starts by doing a down(&inode->i_sem).  then we
+	 * I/O and starts by doing a mutex_lock(&inode->i_mutex).  then we
 	 * would need to get the page cache pages and have a list of
 	 * I/O requests and do write-merging here.
 	 * -- prumpf