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authorChristoph Hellwig <hch@lst.de>2021-10-18 13:11:05 +0300
committerJens Axboe <axboe@kernel.dk>2021-10-18 23:43:22 +0300
commit6dcbb52cddd9e50c8f6625b02a31f6dffc0d1a7b (patch)
tree0b62fa76b092b9525da5cbba47eeee7ed90064d0 /drivers/md/dm-cache-metadata.c
parentda7b392467da82f8b8cbfe69360e3128688c9ddb (diff)
downloadlinux-6dcbb52cddd9e50c8f6625b02a31f6dffc0d1a7b.tar.xz
dm: use bdev_nr_sectors and bdev_nr_bytes instead of open coding them
Use the proper helpers to read the block device size. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Kees Cook <keescook@chromium.org> Acked-by: Mike Snitzer <snitzer@redhat.com> Link: https://lore.kernel.org/r/20211018101130.1838532-6-hch@lst.de Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'drivers/md/dm-cache-metadata.c')
-rw-r--r--drivers/md/dm-cache-metadata.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/md/dm-cache-metadata.c b/drivers/md/dm-cache-metadata.c
index 89a73204dbf4..2874f222c313 100644
--- a/drivers/md/dm-cache-metadata.c
+++ b/drivers/md/dm-cache-metadata.c
@@ -334,7 +334,7 @@ static int __write_initial_superblock(struct dm_cache_metadata *cmd)
int r;
struct dm_block *sblock;
struct cache_disk_superblock *disk_super;
- sector_t bdev_size = i_size_read(cmd->bdev->bd_inode) >> SECTOR_SHIFT;
+ sector_t bdev_size = bdev_nr_sectors(cmd->bdev);
/* FIXME: see if we can lose the max sectors limit */
if (bdev_size > DM_CACHE_METADATA_MAX_SECTORS)