dm space map metadata: constify dm_space_map structures
commitb79af13efd98ca2908f2df1120e79a7ff70faa0d
authorBhumika Goyal <bhumirks@gmail.com>
Wed, 15 Feb 2017 18:13:28 +0000 (15 23:43 +0530)
committerMike Snitzer <snitzer@redhat.com>
Thu, 16 Feb 2017 19:14:36 +0000 (16 14:14 -0500)
treed1f3359b0158aac5d5a886b01a52774f54f35bd2
parent7f1b21591a632c6caefd9aa53b630808f4f477e1
dm space map metadata: constify dm_space_map structures

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>
drivers/md/persistent-data/dm-space-map-metadata.c