[PATCH v2 04/11] btrfs: disable qgroups in extent tree v2
From: Josef Bacik <josef@toxicpanda.com>
Date: 2021-12-15 20:40:18
Subsystem:
btrfs file system, filesystems (vfs and infrastructure), the rest · Maintainers:
Chris Mason, David Sterba, Alexander Viro, Christian Brauner, Linus Torvalds
Backref lookups are going to be drastically different with extent tree v2, disable qgroups until we do the work to add this support for extent tree v2. Signed-off-by: Josef Bacik <josef@toxicpanda.com> --- fs/btrfs/qgroup.c | 6 ++++++ 1 file changed, 6 insertions(+)
diff --git a/fs/btrfs/qgroup.c b/fs/btrfs/qgroup.c
index b126cc39ffd4..1c686c0be352 100644
--- a/fs/btrfs/qgroup.c
+++ b/fs/btrfs/qgroup.c@@ -948,6 +948,12 @@ int btrfs_quota_enable(struct btrfs_fs_info *fs_info) */ lockdep_assert_held_write(&fs_info->subvol_sem); + if (btrfs_fs_incompat(fs_info, EXTENT_TREE_V2)) { + btrfs_err(fs_info, + "qgroups are currently unsupported in extent tree v2"); + return -EINVAL; + } + mutex_lock(&fs_info->qgroup_ioctl_lock); if (fs_info->quota_root) goto out;
--
2.26.3