btrfs: Use explicit round_down call rather than open-coding it

No functional changes.

Signed-off-by: Nikolay Borisov <nborisov@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Nikolay Borisov 2017-06-27 10:02:25 +03:00 committed by David Sterba
parent ebcc9301ea
commit e5600fd6fc

View File

@ -4762,7 +4762,7 @@ static int __btrfs_alloc_chunk(struct btrfs_trans_handle *trans,
btrfs_cmp_device_info, NULL);
/* round down to number of usable stripes */
ndevs -= ndevs % devs_increment;
ndevs = round_down(ndevs, devs_increment);
if (ndevs < devs_increment * sub_stripes || ndevs < devs_min) {
ret = -ENOSPC;