[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/drivers/pci/proc.c b/drivers/pci/proc.c
index 9eb4657..9cb6dd0 100644
--- a/drivers/pci/proc.c
+++ b/drivers/pci/proc.c
@@ -25,7 +25,7 @@
loff_t new = -1;
struct inode *inode = file->f_dentry->d_inode;
- down(&inode->i_sem);
+ mutex_lock(&inode->i_mutex);
switch (whence) {
case 0:
new = off;
@@ -41,7 +41,7 @@
new = -EINVAL;
else
file->f_pos = new;
- up(&inode->i_sem);
+ mutex_unlock(&inode->i_mutex);
return new;
}