Btrfs: do not add replace target to the alloc_list
If replace was suspended by the umount, replace target device is added to the fs_devices->alloc_list during a later mount. This is obviously wrong. ->is_tgtdev_for_dev_replace is supposed to guard against that, but ->is_tgtdev_for_dev_replace is (and can only ever be) initialized *after* everything is opened and fs_devices lists are populated. Fix this by checking the devid instead: for replace targets it's always equal to BTRFS_DEV_REPLACE_DEVID. Cc: Stefan Behrens <sbehrens@giantdisaster.de> Signed-off-by: NIlya Dryomov <idryomov@gmail.com> Reviewed-by: NStefan Behrens <sbehrens@giantdisaster.de> Signed-off-by: NJosef Bacik <jbacik@fusionio.com> Signed-off-by: NChris Mason <chris.mason@fusionio.com>
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