[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>

2 files changed, 6 insertions, 6 deletions

diff --git a/drivers/md/dm.c b/drivers/md/dm.c
index 0e481512f918..5c210b0a4cb0 100644
--- a/drivers/md/dm.c
+++ b/drivers/md/dm.c
@@ -837,9 +837,9 @@ static void __set_size(struct mapped_device *md, sector_t size)
 {
         set_capacity(md->disk, size);
 
-        down(&md->suspended_bdev->bd_inode->i_sem);
+        mutex_lock(&md->suspended_bdev->bd_inode->i_mutex);
         i_size_write(md->suspended_bdev->bd_inode, (loff_t)size << SECTOR_SHIFT);
-        up(&md->suspended_bdev->bd_inode->i_sem);
+        mutex_unlock(&md->suspended_bdev->bd_inode->i_mutex);
 }
 
 static int __bind(struct mapped_device *md, struct dm_table *t)
diff --git a/drivers/md/md.c b/drivers/md/md.c
index e423a16ba3c9..0302723fa21f 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -3460,9 +3460,9 @@ static int update_size(mddev_t *mddev, unsigned long size)
 
                 bdev = bdget_disk(mddev->gendisk, 0);
                 if (bdev) {
-                        down(&bdev->bd_inode->i_sem);
+                        mutex_lock(&bdev->bd_inode->i_mutex);
                         i_size_write(bdev->bd_inode, mddev->array_size << 10);
-                        up(&bdev->bd_inode->i_sem);
+                        mutex_unlock(&bdev->bd_inode->i_mutex);
                         bdput(bdev);
                 }
         }
@@ -3486,9 +3486,9 @@ static int update_raid_disks(mddev_t *mddev, int raid_disks)
 
                 bdev = bdget_disk(mddev->gendisk, 0);
                 if (bdev) {
-                        down(&bdev->bd_inode->i_sem);
+                        mutex_lock(&bdev->bd_inode->i_mutex);
                         i_size_write(bdev->bd_inode, mddev->array_size << 10);
-                        up(&bdev->bd_inode->i_sem);
+                        mutex_unlock(&bdev->bd_inode->i_mutex);
                         bdput(bdev);
                 }
         }