diff options
Diffstat (limited to 'drivers/md/dm-delay.c')
| -rw-r--r-- | drivers/md/dm-delay.c | 23 |
1 files changed, 9 insertions, 14 deletions
diff --git a/drivers/md/dm-delay.c b/drivers/md/dm-delay.c index 52c7cf9e580..6928c136d3c 100644 --- a/drivers/md/dm-delay.c +++ b/drivers/md/dm-delay.c @@ -20,7 +20,7 @@ struct delay_c { struct timer_list delay_timer; - struct semaphore timer_lock; + struct mutex timer_lock; struct work_struct flush_expired_bios; struct list_head delayed_bios; atomic_t may_delay; @@ -37,7 +37,7 @@ struct delay_c { unsigned writes; }; -struct delay_info { +struct dm_delay_info { struct delay_c *context; struct list_head list; struct bio *bio; @@ -58,12 +58,12 @@ static void handle_delayed_timer(unsigned long data) static void queue_timeout(struct delay_c *dc, unsigned long expires) { - down(&dc->timer_lock); + mutex_lock(&dc->timer_lock); if (!timer_pending(&dc->delay_timer) || expires < dc->delay_timer.expires) mod_timer(&dc->delay_timer, expires); - up(&dc->timer_lock); + mutex_unlock(&dc->timer_lock); } static void flush_bios(struct bio *bio) @@ -80,7 +80,7 @@ static void flush_bios(struct bio *bio) static struct bio *flush_delayed_bios(struct delay_c *dc, int flush_all) { - struct delay_info *delayed, *next; + struct dm_delay_info *delayed, *next; unsigned long next_expires = 0; int start_timer = 0; BIO_LIST(flush_bios); @@ -193,13 +193,11 @@ out: goto bad; } - init_timer(&dc->delay_timer); - dc->delay_timer.function = handle_delayed_timer; - dc->delay_timer.data = (unsigned long)dc; + setup_timer(&dc->delay_timer, handle_delayed_timer, (unsigned long)dc); INIT_WORK(&dc->flush_expired_bios, flush_expired_bios); INIT_LIST_HEAD(&dc->delayed_bios); - init_MUTEX(&dc->timer_lock); + mutex_init(&dc->timer_lock); atomic_set(&dc->may_delay, 1); ti->private = dc; @@ -227,7 +225,7 @@ static void delay_dtr(struct dm_target *ti) static int delay_bio(struct delay_c *dc, int delay, struct bio *bio) { - struct delay_info *delayed; + struct dm_delay_info *delayed; unsigned long expires = 0; if (!delay || !atomic_read(&dc->may_delay)) @@ -338,10 +336,7 @@ static int __init dm_delay_init(void) goto bad_queue; } - delayed_cache = kmem_cache_create("dm-delay", - sizeof(struct delay_info), - __alignof__(struct delay_info), - 0, NULL, NULL); + delayed_cache = KMEM_CACHE(dm_delay_info, 0); if (!delayed_cache) { DMERR("Couldn't create delayed bio cache."); goto bad_memcache; |