aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/block/drbd/drbd_main.c
diff options
context:
space:
mode:
authorLinus Torvalds <torvalds@linux-foundation.org>2010-10-22 10:49:54 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2010-10-22 10:49:54 -0700
commitc37927d4359e81b85de644f8fb08878717cf5f3f (patch)
tree25dabf2d905e1410819d1bdaba0bf5f779100d3c /drivers/block/drbd/drbd_main.c
parent5704e44d283e907623e3775c1262f206a2c48cf3 (diff)
parent2a48fc0ab24241755dc93bfd4f01d68efab47f5a (diff)
downloadkernel_samsung_smdk4412-c37927d4359e81b85de644f8fb08878717cf5f3f.zip
kernel_samsung_smdk4412-c37927d4359e81b85de644f8fb08878717cf5f3f.tar.gz
kernel_samsung_smdk4412-c37927d4359e81b85de644f8fb08878717cf5f3f.tar.bz2
Merge branch 'trivial' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/bkl
* 'trivial' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/bkl: block: autoconvert trivial BKL users to private mutex drivers: autoconvert trivial BKL users to private mutex ipmi: autoconvert trivial BKL users to private mutex mac: autoconvert trivial BKL users to private mutex mtd: autoconvert trivial BKL users to private mutex scsi: autoconvert trivial BKL users to private mutex Fix up trivial conflicts (due to addition of private mutex right next to deletion of a version string) in drivers/char/pcmcia/cm40[04]0_cs.c
Diffstat (limited to 'drivers/block/drbd/drbd_main.c')
-rw-r--r--drivers/block/drbd/drbd_main.c11
1 files changed, 6 insertions, 5 deletions
diff --git a/drivers/block/drbd/drbd_main.c b/drivers/block/drbd/drbd_main.c
index fa650dd..e4b5611 100644
--- a/drivers/block/drbd/drbd_main.c
+++ b/drivers/block/drbd/drbd_main.c
@@ -32,7 +32,7 @@
#include <asm/types.h>
#include <net/sock.h>
#include <linux/ctype.h>
-#include <linux/smp_lock.h>
+#include <linux/mutex.h>
#include <linux/fs.h>
#include <linux/file.h>
#include <linux/proc_fs.h>
@@ -64,6 +64,7 @@ struct after_state_chg_work {
struct completion *done;
};
+static DEFINE_MUTEX(drbd_main_mutex);
int drbdd_init(struct drbd_thread *);
int drbd_worker(struct drbd_thread *);
int drbd_asender(struct drbd_thread *);
@@ -2536,7 +2537,7 @@ static int drbd_open(struct block_device *bdev, fmode_t mode)
unsigned long flags;
int rv = 0;
- lock_kernel();
+ mutex_lock(&drbd_main_mutex);
spin_lock_irqsave(&mdev->req_lock, flags);
/* to have a stable mdev->state.role
* and no race with updating open_cnt */
@@ -2551,7 +2552,7 @@ static int drbd_open(struct block_device *bdev, fmode_t mode)
if (!rv)
mdev->open_cnt++;
spin_unlock_irqrestore(&mdev->req_lock, flags);
- unlock_kernel();
+ mutex_unlock(&drbd_main_mutex);
return rv;
}
@@ -2559,9 +2560,9 @@ static int drbd_open(struct block_device *bdev, fmode_t mode)
static int drbd_release(struct gendisk *gd, fmode_t mode)
{
struct drbd_conf *mdev = gd->private_data;
- lock_kernel();
+ mutex_lock(&drbd_main_mutex);
mdev->open_cnt--;
- unlock_kernel();
+ mutex_unlock(&drbd_main_mutex);
return 0;
}