[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/block_dev.c b/fs/block_dev.c
index e0df94c..6e50346 100644
--- a/fs/block_dev.c
+++ b/fs/block_dev.c
@@ -202,7 +202,7 @@
loff_t size;
loff_t retval;
- down(&bd_inode->i_sem);
+ mutex_lock(&bd_inode->i_mutex);
size = i_size_read(bd_inode);
switch (origin) {
@@ -219,7 +219,7 @@
}
retval = offset;
}
- up(&bd_inode->i_sem);
+ mutex_unlock(&bd_inode->i_mutex);
return retval;
}