Commit 90ce321d authored Oct 26, 2015 by Qu Wenruo Committed by Chris Mason Oct 26, 2015

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: Qu Wenruo <quwenruo@cn.fujitsu.com>
Signed-off-by: Chris 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);
		}

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