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authorIngo Molnar <mingo@elte.hu>2006-03-23 03:00:38 -0800
committerLinus Torvalds <torvalds@g5.osdl.org>2006-03-23 07:38:12 -0800
commitf85221dd74f2708b78a2aa54de59944e44206d0e (patch)
treef9e9710f78bf56515b04101bb40087b50e4bfeb6
parent0ac1759abc69fb62438c30a7e422f628a1120d67 (diff)
[PATCH] sem2mutex: drivers/block/loop.c
Semaphore to mutex conversion. The conversion was generated via scripts, and the result was validated automatically via a script as well. Signed-off-by: Ingo Molnar <mingo@elte.hu> Cc: Jens Axboe <axboe@suse.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
-rw-r--r--drivers/block/loop.c18
-rw-r--r--include/linux/loop.h3
2 files changed, 11 insertions, 10 deletions
diff --git a/drivers/block/loop.c b/drivers/block/loop.c
index 0010704739e..74bf0255e98 100644
--- a/drivers/block/loop.c
+++ b/drivers/block/loop.c
@@ -1144,7 +1144,7 @@ static int lo_ioctl(struct inode * inode, struct file * file,
struct loop_device *lo = inode->i_bdev->bd_disk->private_data;
int err;
- down(&lo->lo_ctl_mutex);
+ mutex_lock(&lo->lo_ctl_mutex);
switch (cmd) {
case LOOP_SET_FD:
err = loop_set_fd(lo, file, inode->i_bdev, arg);
@@ -1170,7 +1170,7 @@ static int lo_ioctl(struct inode * inode, struct file * file,
default:
err = lo->ioctl ? lo->ioctl(lo, cmd, arg) : -EINVAL;
}
- up(&lo->lo_ctl_mutex);
+ mutex_unlock(&lo->lo_ctl_mutex);
return err;
}
@@ -1178,9 +1178,9 @@ static int lo_open(struct inode *inode, struct file *file)
{
struct loop_device *lo = inode->i_bdev->bd_disk->private_data;
- down(&lo->lo_ctl_mutex);
+ mutex_lock(&lo->lo_ctl_mutex);
lo->lo_refcnt++;
- up(&lo->lo_ctl_mutex);
+ mutex_unlock(&lo->lo_ctl_mutex);
return 0;
}
@@ -1189,9 +1189,9 @@ static int lo_release(struct inode *inode, struct file *file)
{
struct loop_device *lo = inode->i_bdev->bd_disk->private_data;
- down(&lo->lo_ctl_mutex);
+ mutex_lock(&lo->lo_ctl_mutex);
--lo->lo_refcnt;
- up(&lo->lo_ctl_mutex);
+ mutex_unlock(&lo->lo_ctl_mutex);
return 0;
}
@@ -1233,12 +1233,12 @@ int loop_unregister_transfer(int number)
xfer_funcs[n] = NULL;
for (lo = &loop_dev[0]; lo < &loop_dev[max_loop]; lo++) {
- down(&lo->lo_ctl_mutex);
+ mutex_lock(&lo->lo_ctl_mutex);
if (lo->lo_encryption == xfer)
loop_release_xfer(lo);
- up(&lo->lo_ctl_mutex);
+ mutex_unlock(&lo->lo_ctl_mutex);
}
return 0;
@@ -1285,7 +1285,7 @@ static int __init loop_init(void)
lo->lo_queue = blk_alloc_queue(GFP_KERNEL);
if (!lo->lo_queue)
goto out_mem4;
- init_MUTEX(&lo->lo_ctl_mutex);
+ mutex_init(&lo->lo_ctl_mutex);
init_completion(&lo->lo_done);
init_completion(&lo->lo_bh_done);
lo->lo_number = i;
diff --git a/include/linux/loop.h b/include/linux/loop.h
index f96506782eb..e76c7611d6c 100644
--- a/include/linux/loop.h
+++ b/include/linux/loop.h
@@ -17,6 +17,7 @@
#include <linux/bio.h>
#include <linux/blkdev.h>
#include <linux/spinlock.h>
+#include <linux/mutex.h>
/* Possible states of device */
enum {
@@ -60,7 +61,7 @@ struct loop_device {
int lo_state;
struct completion lo_done;
struct completion lo_bh_done;
- struct semaphore lo_ctl_mutex;
+ struct mutex lo_ctl_mutex;
int lo_pending;
request_queue_t *lo_queue;