From 6dcbb52cddd9e50c8f6625b02a31f6dffc0d1a7b Mon Sep 17 00:00:00 2001 From: Christoph Hellwig Date: Mon, 18 Oct 2021 12:11:05 +0200 Subject: 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 Reviewed-by: Kees Cook Acked-by: Mike Snitzer Link: https://lore.kernel.org/r/20211018101130.1838532-6-hch@lst.de Signed-off-by: Jens Axboe --- drivers/md/dm-log-writes.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'drivers/md/dm-log-writes.c') 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; } -- cgit