[PATCH 4/5] dm bufio: simplify by using PAGE_SECTORS_SHIFT

Luis Chamberlain
2023-04-21T19:58:22Z

The PAGE_SHIFT - SECTOR_SHIFT constant be replaced with PAGE_SECTORS_SHIFT
defined in linux/blt_types.h, which is included by linux/blkdev.h.

This produces no functional changes.

Signed-off-by: Luis Chamberlain <mcgrof@kernel.org>
---
drivers/md/dm-bufio.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/md/dm-bufio.c b/drivers/md/dm-bufio.c
index eea977662e81..08c4730e1819 100644
--- a/drivers/md/dm-bufio.c
+++ b/drivers/md/dm-bufio.c
@@ -1152,7 +1152,7 @@ static void *alloc_buffer_data(struct dm_bufio_client *c, gfp_t gfp_mask,
gfp_mask & __GFP_NORETRY) {
*data_mode = DATA_MODE_GET_FREE_PAGES;
return (void *)__get_free_pages(gfp_mask,
- c->sectors_per_block_bits - (PAGE_SHIFT - SECTOR_SHIFT));
+ c->sectors_per_block_bits - (PAGE_SECTORS_SHIFT));
}

*data_mode = DATA_MODE_VMALLOC;
@@ -1190,7 +1190,7 @@ static void free_buffer_data(struct dm_bufio_client *c,

case DATA_MODE_GET_FREE_PAGES:
free_pages((unsigned long)data,
- c->sectors_per_block_bits - (PAGE_SHIFT - SECTOR_SHIFT));
+ c->sectors_per_block_bits - (PAGE_SECTORS_SHIFT));
break;

case DATA_MODE_VMALLOC:
--
2.39.2