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authorNeilBrown <neilb@suse.de>2006-03-27 01:18:20 -0800
committerLinus Torvalds <torvalds@g5.osdl.org>2006-03-27 08:45:03 -0800
commitdf5b89b323b922f56650b4b4d7c41899b937cf19 (patch)
treed1578782a9d763174474fe2db08f4ce4c6dc6218 /drivers
parent48c9c27b8bcd2a328a06151e2d5c1170db0b701b (diff)
[PATCH] md: Convert reconfig_sem to reconfig_mutex
... being careful that mutex_trylock is inverted wrt down_trylock Signed-off-by: Neil Brown <neilb@suse.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/md/md.c14
1 files changed, 7 insertions, 7 deletions
diff --git a/drivers/md/md.c b/drivers/md/md.c
index c9c9c096ad8..039e071c100 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -255,7 +255,7 @@ static mddev_t * mddev_find(dev_t unit)
else
new->md_minor = MINOR(unit) >> MdpMinorShift;
- init_MUTEX(&new->reconfig_sem);
+ mutex_init(&new->reconfig_mutex);
INIT_LIST_HEAD(&new->disks);
INIT_LIST_HEAD(&new->all_mddevs);
init_timer(&new->safemode_timer);
@@ -277,22 +277,22 @@ static mddev_t * mddev_find(dev_t unit)
static inline int mddev_lock(mddev_t * mddev)
{
- return down_interruptible(&mddev->reconfig_sem);
+ return mutex_lock_interruptible(&mddev->reconfig_mutex);
}
static inline void mddev_lock_uninterruptible(mddev_t * mddev)
{
- down(&mddev->reconfig_sem);
+ mutex_lock(&mddev->reconfig_mutex);
}
static inline int mddev_trylock(mddev_t * mddev)
{
- return down_trylock(&mddev->reconfig_sem);
+ return mutex_trylock(&mddev->reconfig_mutex);
}
static inline void mddev_unlock(mddev_t * mddev)
{
- up(&mddev->reconfig_sem);
+ mutex_unlock(&mddev->reconfig_mutex);
md_wakeup_thread(mddev->thread);
}
@@ -4893,7 +4893,7 @@ void md_check_recovery(mddev_t *mddev)
))
return;
- if (mddev_trylock(mddev)==0) {
+ if (mddev_trylock(mddev)) {
int spares =0;
spin_lock_irq(&mddev->write_lock);
@@ -5029,7 +5029,7 @@ static int md_notify_reboot(struct notifier_block *this,
printk(KERN_INFO "md: stopping all md devices.\n");
ITERATE_MDDEV(mddev,tmp)
- if (mddev_trylock(mddev)==0)
+ if (mddev_trylock(mddev))
do_md_stop (mddev, 1);
/*
* certain more exotic SCSI devices are known to be