kfree(pointers);
cleanup_io:
- if (rbio->operation == BTRFS_RBIO_READ_REBUILD) {
+ /*
+ * Similar to READ_REBUILD, REBUILD_MISSING at this point also has a
+ * valid rbio which is consistent with ondisk content, thus such a
+ * valid rbio can be cached to avoid further disk reads.
+ */
+ if (rbio->operation == BTRFS_RBIO_READ_REBUILD ||
+ rbio->operation == BTRFS_RBIO_REBUILD_MISSING) {
/*
* - In case of two failures, where rbio->failb != -1:
*
clear_bit(RBIO_CACHE_READY_BIT, &rbio->flags);
rbio_orig_end_io(rbio, err);
- } else if (rbio->operation == BTRFS_RBIO_REBUILD_MISSING) {
- rbio_orig_end_io(rbio, err);
} else if (err == BLK_STS_OK) {
rbio->faila = -1;
rbio->failb = -1;
return rbio;
}
-static void missing_raid56_work(struct btrfs_work *work)
-{
- struct btrfs_raid_bio *rbio;
-
- rbio = container_of(work, struct btrfs_raid_bio, work);
- __raid56_parity_recover(rbio);
-}
-
-static void async_missing_raid56(struct btrfs_raid_bio *rbio)
-{
- btrfs_init_work(&rbio->work, btrfs_rmw_helper,
- missing_raid56_work, NULL, NULL);
-
- btrfs_queue_work(rbio->fs_info->rmw_workers, &rbio->work);
-}
-
void raid56_submit_missing_rbio(struct btrfs_raid_bio *rbio)
{
if (!lock_stripe_add(rbio))
- async_missing_raid56(rbio);
+ async_read_rebuild(rbio);
}