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authorAlasdair G Kergon <agk@redhat.com>2007-07-12 18:26:32 +0200
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-07-13 00:01:08 +0200
commit028867ac28e51afc834a5931e7545c022557eded (patch)
tree0a268776ac68f26c86a28416b35a60ab54e3fb94 /drivers/md/dm.c
parentdm: bio_list prefetch removal (diff)
downloadlinux-028867ac28e51afc834a5931e7545c022557eded.tar.xz
linux-028867ac28e51afc834a5931e7545c022557eded.zip
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>
Diffstat (limited to 'drivers/md/dm.c')
-rw-r--r--drivers/md/dm.c24
1 files changed, 11 insertions, 13 deletions
diff --git a/drivers/md/dm.c b/drivers/md/dm.c
index 2717a355dc5b..b5e56af8f85a 100644
--- a/drivers/md/dm.c
+++ b/drivers/md/dm.c
@@ -45,7 +45,7 @@ struct dm_io {
* One of these is allocated per target within a bio. Hopefully
* this will be simplified out one day.
*/
-struct target_io {
+struct dm_target_io {
struct dm_io *io;
struct dm_target *ti;
union map_info info;
@@ -54,7 +54,7 @@ struct target_io {
union map_info *dm_get_mapinfo(struct bio *bio)
{
if (bio && bio->bi_private)
- return &((struct target_io *)bio->bi_private)->info;
+ return &((struct dm_target_io *)bio->bi_private)->info;
return NULL;
}
@@ -132,14 +132,12 @@ static int __init local_init(void)
int r;
/* allocate a slab for the dm_ios */
- _io_cache = kmem_cache_create("dm_io",
- sizeof(struct dm_io), 0, 0, NULL, NULL);
+ _io_cache = KMEM_CACHE(dm_io, 0);
if (!_io_cache)
return -ENOMEM;
/* allocate a slab for the target ios */
- _tio_cache = kmem_cache_create("dm_tio", sizeof(struct target_io),
- 0, 0, NULL, NULL);
+ _tio_cache = KMEM_CACHE(dm_target_io, 0);
if (!_tio_cache) {
kmem_cache_destroy(_io_cache);
return -ENOMEM;
@@ -325,22 +323,22 @@ out:
return r;
}
-static inline struct dm_io *alloc_io(struct mapped_device *md)
+static struct dm_io *alloc_io(struct mapped_device *md)
{
return mempool_alloc(md->io_pool, GFP_NOIO);
}
-static inline void free_io(struct mapped_device *md, struct dm_io *io)
+static void free_io(struct mapped_device *md, struct dm_io *io)
{
mempool_free(io, md->io_pool);
}
-static inline struct target_io *alloc_tio(struct mapped_device *md)
+static struct dm_target_io *alloc_tio(struct mapped_device *md)
{
return mempool_alloc(md->tio_pool, GFP_NOIO);
}
-static inline void free_tio(struct mapped_device *md, struct target_io *tio)
+static void free_tio(struct mapped_device *md, struct dm_target_io *tio)
{
mempool_free(tio, md->tio_pool);
}
@@ -498,7 +496,7 @@ static void dec_pending(struct dm_io *io, int error)
static int clone_endio(struct bio *bio, unsigned int done, int error)
{
int r = 0;
- struct target_io *tio = bio->bi_private;
+ struct dm_target_io *tio = bio->bi_private;
struct mapped_device *md = tio->io->md;
dm_endio_fn endio = tio->ti->type->end_io;
@@ -558,7 +556,7 @@ static sector_t max_io_len(struct mapped_device *md,
}
static void __map_bio(struct dm_target *ti, struct bio *clone,
- struct target_io *tio)
+ struct dm_target_io *tio)
{
int r;
sector_t sector;
@@ -672,7 +670,7 @@ static void __clone_and_map(struct clone_info *ci)
struct bio *clone, *bio = ci->bio;
struct dm_target *ti = dm_table_find_target(ci->map, ci->sector);
sector_t len = 0, max = max_io_len(ci->md, ci->sector, ti);
- struct target_io *tio;
+ struct dm_target_io *tio;
/*
* Allocate a target io object.