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Commit be064d11 authored by Alexandre Oliva's avatar Alexandre Oliva Committed by Chris Mason
Browse files

Btrfs: skip allocation attempt from empty cluster 



If we don't have a cluster, don't bother trying to allocate from it,
jumping right away to the attempt to allocate a new cluster.

Signed-off-by: default avatarAlexandre Oliva <oliva@lsd.ic.unicamp.br>
Signed-off-by: default avatarChris Mason <chris.mason@oracle.com>
parent 425d8315

fs/btrfs/extent-tree.c

+3 −3
Original line number Diff line number Diff line
@@ -5299,9 +5299,9 @@ static noinline int find_free_extent(struct btrfs_trans_handle *trans, 
			 * people trying to start a new cluster

			 */

			spin_lock(&last_ptr->refill_lock);

			if (last_ptr->block_group &&

			    (last_ptr->block_group->ro ||

			    !block_group_bits(last_ptr->block_group, data)))

			if (!last_ptr->block_group ||

			    last_ptr->block_group->ro ||

			    !block_group_bits(last_ptr->block_group, data))

				goto refill_cluster;



			offset = btrfs_alloc_from_cluster(block_group, last_ptr,