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Commit 89d4346a authored by Miao Xie's avatar Miao Xie Committed by Chris Mason
Browse files

Btrfs: fix wrong block group in trace during the free space allocation 



We allocate the free space from the former block group, not the current
one, so should use the former one to output the trace information.

Signed-off-by: default avatarMiao Xie <miaox@cn.fujitsu.com>
Signed-off-by: default avatarJosef Bacik <jbacik@fb.com>
Signed-off-by: default avatarChris Mason <clm@fb.com>
parent 215a63d1

fs/btrfs/extent-tree.c

+2 −1
Original line number Diff line number Diff line
@@ -6323,7 +6323,8 @@ static noinline int find_free_extent(struct btrfs_root *orig_root, 
				/* we have a block, we're done */

				spin_unlock(&last_ptr->refill_lock);

				trace_btrfs_reserve_extent_cluster(root,

					block_group, search_start, num_bytes);

						used_block_group,

						search_start, num_bytes);

				if (used_block_group != block_group) {

					btrfs_put_block_group(block_group);

					block_group = used_block_group;