diff mbox series

[v3,3/4] dm bufio: simplify by using PAGE_SECTORS_SHIFT

Message ID 20230915224343.2740317-4-mcgrof@kernel.org (mailing list archive)
State New, archived
Headers show
Series block: simplify with PAGE_SECTORS_SHIFT | expand

Commit Message

Luis Chamberlain Sept. 15, 2023, 10:43 p.m. UTC 
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(-)

Comments

Johannes Thumshirn Sept. 18, 2023, 5:54 a.m. UTC | #1 
Looks good,
Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
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diff mbox series

Patch

diff --git a/drivers/md/dm-bufio.c b/drivers/md/dm-bufio.c
index 62eb27639c9b..a5b48be93b30 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;
@@ -1173,7 +1173,7 @@  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: