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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>
hifive-unleashed-5.1
Miao Xie 2014-07-03 18:22:12 +08:00 committed by Chris Mason
parent 77bdae4d13
commit 69611ac810
1 changed files with 3 additions and 0 deletions
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3
fs/btrfs/volumes.c
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@ -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);