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Commit 0d228ece authored by Anand Jain's avatar Anand Jain Committed by David Sterba
Browse files

btrfs: dev-replace: go back to suspended state if target device is missing 



At the time of forced unmount we place the running replace to
BTRFS_IOCTL_DEV_REPLACE_STATE_SUSPENDED state, so when the system comes
back and expect the target device is missing.

Then let the replace state continue to be in
BTRFS_IOCTL_DEV_REPLACE_STATE_SUSPENDED state instead of
BTRFS_IOCTL_DEV_REPLACE_STATE_STARTED as there isn't any matching scrub
running as part of replace.

Fixes: e93c89c1 ("Btrfs: add new sources for device replace code")
CC: stable@vger.kernel.org # 4.4+
Signed-off-by: default avatarAnand Jain <anand.jain@oracle.com>
Reviewed-by: default avatarDavid Sterba <dsterba@suse.com>
Signed-off-by: default avatarDavid Sterba <dsterba@suse.com>
parent 54862d6d

fs/btrfs/dev-replace.c

+2 −0
Original line number Diff line number Diff line
@@ -890,6 +890,8 @@ int btrfs_resume_dev_replace_async(struct btrfs_fs_info *fs_info) 
			   "cannot continue dev_replace, tgtdev is missing");

		btrfs_info(fs_info,

			   "you may cancel the operation after 'mount -o degraded'");

		dev_replace->replace_state =

					BTRFS_IOCTL_DEV_REPLACE_STATE_SUSPENDED;

		btrfs_dev_replace_write_unlock(dev_replace);

		return 0;

	}