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Commit 90ce321d authored by Qu Wenruo's avatar Qu Wenruo Committed by Chris Mason
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btrfs: qgroup: Fix a rebase bug which will cause qgroup double free 



When rebasing my patchset, I forgot to pick up a cleanup patch to remove
old hotfix in 4.2 release.

Witouth the cleanup, it will screw up new qgroup reserve framework and
always cause minus reserved number.

Signed-off-by: default avatarQu Wenruo <quwenruo@cn.fujitsu.com>
Signed-off-by: default avatarChris Mason <clm@fb.com>
parent 5846a3c2

fs/btrfs/qgroup.c

+0 −4
Original line number Diff line number Diff line
@@ -1652,10 +1652,6 @@ static int qgroup_update_counters(struct btrfs_fs_info *fs_info, 
			}

		}



		/* For exclusive extent, free its reserved bytes too */

		if (nr_old_roots == 0 && nr_new_roots == 1 &&

		    cur_new_count == nr_new_roots)

			qg->reserved -= num_bytes;

		if (dirty)

			qgroup_dirty(fs_info, qg);

	}