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dm space map metadata: constify dm_space_map structures

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Declare dm_space_map structures as const as they are only passed as an
argument to the function memcpy. This argument is of type const void *,
so dm_space_map structures having this property can be declared as
const.

File size before:
   text	   data	    bss	    dec	    hex	filename
   4889	    240	      0	   5129	   1409 dm-space-map-metadata.o

File size after:
   text	   data	    bss	    dec	    hex	filename
   5139	      0	      0	   5139	   1413 dm-space-map-metadata.o

Signed-off-by: Bhumika Goyal <bhumirks@gmail.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
This commit is contained in:
Bhumika Goyal 2017-02-15 23:43:28 +05:30 committed by Mike Snitzer
parent 7f1b21591a
commit b79af13efd
1 changed files with 2 additions and 2 deletions
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4
drivers/md/persistent-data/dm-space-map-metadata.c
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@ -544,7 +544,7 @@ static int sm_metadata_copy_root(struct dm_space_map *sm, void *where_le, size_t
static int sm_metadata_extend(struct dm_space_map *sm, dm_block_t extra_blocks);
static struct dm_space_map ops = {
static const struct dm_space_map ops = {
.destroy = sm_metadata_destroy,
.extend = sm_metadata_extend,
.get_nr_blocks = sm_metadata_get_nr_blocks,
@ -671,7 +671,7 @@ static int sm_bootstrap_copy_root(struct dm_space_map *sm, void *where,
return -EINVAL;
}
static struct dm_space_map bootstrap_ops = {
static const struct dm_space_map bootstrap_ops = {
.destroy = sm_bootstrap_destroy,
.extend = sm_bootstrap_extend,
.get_nr_blocks = sm_bootstrap_get_nr_blocks,