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-writecache.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers/md/dm-writecache.c') diff --git a/drivers/md/dm-writecache.c b/drivers/md/dm-writecache.c index 18320444fb0a..017806096b91 100644 --- a/drivers/md/dm-writecache.c +++ b/drivers/md/dm-writecache.c @@ -2341,7 +2341,7 @@ static int writecache_ctr(struct dm_target *ti, unsigned argc, char **argv) ti->error = "Cache data device lookup failed"; goto bad; } - wc->memory_map_size = i_size_read(wc->ssd_dev->bdev->bd_inode); + wc->memory_map_size = bdev_nr_bytes(wc->ssd_dev->bdev); /* * Parse the cache block size -- cgit v1.2.3-59-g8ed1b