dm: use kmem_cache macro

Use new KMEM_CACHE() macro and make the newly-exposed structure names more
meaningful.  Also remove some superfluous casts and inlines (let a modern
compiler be the judge).

Acked-by: Christoph Lameter <clameter@sgi.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 4 insertions, 7 deletions

diff --git a/drivers/md/dm-delay.c b/drivers/md/dm-delay.c
index 52c7cf9e5803..eb218266cbf3 100644
--- a/drivers/md/dm-delay.c
+++ b/drivers/md/dm-delay.c
@@ -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;
@@ -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);
@@ -227,7 +227,7 @@ 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 +338,7 @@ 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;