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btrfs: disable qgroups in extent tree v2

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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>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Josef Bacik 2021-12-15 15:40:01 -05:00 committed by David Sterba
parent 914a519b19
commit ef3eccc19a
1 changed files with 6 additions and 0 deletions
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6
fs/btrfs/qgroup.c
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@ -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;