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authorChristoph Hellwig <hch@lst.de>2021-10-18 12:11:05 +0200
committerJens Axboe <axboe@kernel.dk>2021-10-18 14:43:22 -0600
commit6dcbb52cddd9e50c8f6625b02a31f6dffc0d1a7b (patch)
tree0b62fa76b092b9525da5cbba47eeee7ed90064d0 /drivers/md/dm-writecache.c
parentdrbd: use bdev_nr_sectors instead of open coding it (diff)
downloadlinux-dev-6dcbb52cddd9e50c8f6625b02a31f6dffc0d1a7b.tar.xz
linux-dev-6dcbb52cddd9e50c8f6625b02a31f6dffc0d1a7b.zip
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-writecache.c')
-rw-r--r--drivers/md/dm-writecache.c2
1 files changed, 1 insertions, 1 deletions
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