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, 3 insertions, 3 deletions

diff --git a/drivers/md/dm-snap.h b/drivers/md/dm-snap.h
index 15fa2ae6cdc2..650e0f1f51d8 100644
--- a/drivers/md/dm-snap.h
+++ b/drivers/md/dm-snap.h
@@ -30,7 +30,7 @@ typedef sector_t chunk_t;
  * An exception is used where an old chunk of data has been
  * replaced by a new one.
  */
-struct exception {
+struct dm_snap_exception {
         struct list_head hash_list;
 
         chunk_t old_chunk;
@@ -58,13 +58,13 @@ struct exception_store {
          * Find somewhere to store the next exception.
          */
         int (*prepare_exception) (struct exception_store *store,
-                                  struct exception *e);
+                                  struct dm_snap_exception *e);
 
         /*
          * Update the metadata with this exception.
          */
         void (*commit_exception) (struct exception_store *store,
-                                  struct exception *e,
+                                  struct dm_snap_exception *e,
                                   void (*callback) (void *, int success),
                                   void *callback_context);