Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland...

[cascardo/linux.git] / drivers / md / dm-delay.c

diff --git a/drivers/md/dm-delay.c b/drivers/md/dm-delay.c
index 52c7cf9..6928c13 100644 (file)
--- 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;