dm cache: Remove unused dm_cache_dump

dm_cache_dump() has been unused since the original commit
c6b4fcbad044 ("dm: add cache target")

Remove it.

Signed-off-by: Dr. David Alan Gilbert <linux@treblig.org>
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>

diff --git a/drivers/md/dm-cache-metadata.c b/drivers/md/dm-cache-metadata.c
index 24cd87fddf752bd8060ac577aa61394b48ab91fd..5c757603ab365eb9725fe66ea4389554e1c76fb3 100644 (file)
--- a/drivers/md/dm-cache-metadata.c
+++ b/drivers/md/dm-cache-metadata.c
@@ -1507,30 +1507,6 @@ int dm_cache_load_mappings(struct dm_cache_metadata *cmd,
        return r;
 }
 
-static int __dump_mapping(void *context, uint64_t cblock, void *leaf)
-{
-       __le64 value;
-       dm_oblock_t oblock;
-       unsigned int flags;
-
-       memcpy(&value, leaf, sizeof(value));
-       unpack_value(value, &oblock, &flags);
-
-       return 0;
-}
-
-static int __dump_mappings(struct dm_cache_metadata *cmd)
-{
-       return dm_array_walk(&cmd->info, cmd->root, __dump_mapping, NULL);
-}
-
-void dm_cache_dump(struct dm_cache_metadata *cmd)
-{
-       READ_LOCK_VOID(cmd);
-       __dump_mappings(cmd);
-       READ_UNLOCK(cmd);
-}
-
 int dm_cache_changed_this_transaction(struct dm_cache_metadata *cmd)
 {
        int r;

diff --git a/drivers/md/dm-cache-metadata.h b/drivers/md/dm-cache-metadata.h
index 57afc704794728e5aefe9f50874b39000591774b..3e5472173baa0b94e911d5179c6aba081648a1e1 100644 (file)
--- a/drivers/md/dm-cache-metadata.h
+++ b/drivers/md/dm-cache-metadata.h
@@ -123,8 +123,6 @@ int dm_cache_get_free_metadata_block_count(struct dm_cache_metadata *cmd,
 int dm_cache_get_metadata_dev_size(struct dm_cache_metadata *cmd,
                                   dm_block_t *result);
 
-void dm_cache_dump(struct dm_cache_metadata *cmd);
-
 /*
  * The policy is invited to save a 32bit hint value for every cblock (eg,
  * for a hit count).  These are stored against the policy name.  If