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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-log-writes.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-log-writes.c')
-rw-r--r--drivers/md/dm-log-writes.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/md/dm-log-writes.c b/drivers/md/dm-log-writes.c
index d93a4db23512..46de085a9670 100644
--- a/drivers/md/dm-log-writes.c
+++ b/drivers/md/dm-log-writes.c
@@ -446,7 +446,7 @@ static int log_super(struct log_writes_c *lc)
static inline sector_t logdev_last_sector(struct log_writes_c *lc)
{
- return i_size_read(lc->logdev->bdev->bd_inode) >> SECTOR_SHIFT;
+ return bdev_nr_sectors(lc->logdev->bdev);
}
static int log_writes_kthread(void *arg)
@@ -851,7 +851,7 @@ static int log_writes_prepare_ioctl(struct dm_target *ti,
/*
* Only pass ioctls through if the device sizes match exactly.
*/
- if (ti->len != i_size_read(dev->bdev->bd_inode) >> SECTOR_SHIFT)
+ if (ti->len != bdev_nr_sectors(dev->bdev))
return 1;
return 0;
}