diff options
author | Christoph Hellwig <hch@lst.de> | 2021-10-18 13:11:05 +0300 |
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committer | Jens Axboe <axboe@kernel.dk> | 2021-10-18 23:43:22 +0300 |
commit | 6dcbb52cddd9e50c8f6625b02a31f6dffc0d1a7b (patch) | |
tree | 0b62fa76b092b9525da5cbba47eeee7ed90064d0 /drivers/md/dm-linear.c | |
parent | da7b392467da82f8b8cbfe69360e3128688c9ddb (diff) |
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-linear.c')
-rw-r--r-- | drivers/md/dm-linear.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/drivers/md/dm-linear.c b/drivers/md/dm-linear.c index 679b4c0a2eea..66ba16713f69 100644 --- a/drivers/md/dm-linear.c +++ b/drivers/md/dm-linear.c @@ -135,8 +135,7 @@ static int linear_prepare_ioctl(struct dm_target *ti, struct block_device **bdev /* * Only pass ioctls through if the device sizes match exactly. */ - if (lc->start || - ti->len != i_size_read(dev->bdev->bd_inode) >> SECTOR_SHIFT) + if (lc->start || ti->len != bdev_nr_sectors(dev->bdev)) return 1; return 0; } |