Commit 69611ac8 authored Jul 03, 2014 by Miao Xie Committed by Chris Mason Aug 19, 2014

Btrfs: fix unzeroed members in fs_devices when creating a fs from seed fs



We forgot to zero some members in fs_devices when we create new fs_devices
from the one of the seed fs. It would cause the problem that we got wrong
chunk profile when allocating chunks. Fix it.

Signed-off-by: Miao Xie <miaox@cn.fujitsu.com>
Signed-off-by: Chris Mason <clm@fb.com>

parent 77bdae4d

fs/btrfs/volumes.c

+3 −0

Original line number	Diff line number	Diff line
		@@ -1988,6 +1988,9 @@ static int btrfs_prepare_sprout(struct btrfs_root *root)
		fs_devices->seeding = 0;
		fs_devices->num_devices = 0;
		fs_devices->open_devices = 0;
		fs_devices->missing_devices = 0;
		fs_devices->num_can_discard = 0;
		fs_devices->rotating = 0;
		fs_devices->seed = seed_devices;

		generate_random_uuid(fs_devices->fsid);