|The code is pasted below for convenience of reference, but in the function to
create a qgruop, it taks a 4th parameter (char * name). I assume this is the name
of the path to limit, however, i don't see where its used anywhere in the function.
-Kevin Brandstatter
int btrfs_create_qgroup(struct btrfs_trans_handle *trans,
struct btrfs_fs_info *fs_info, u64 qgroupid, *char** *****name**)*
{
struct btrfs_root *quota_root;
struct btrfs_qgroup *qgroup;
int ret = 0;
mutex_lock(&fs_info->qgroup_ioctl_lock);
quota_root = fs_info->quota_root;
if (!quota_root) {
ret = -EINVAL;
goto out;
}
qgroup = find_qgroup_rb(fs_info, qgroupid);
if (qgroup) {
ret = -EEXIST;
goto out;
}
ret = add_qgroup_item(trans, quota_root, qgroupid);
if (ret)
goto out;
spin_lock(&fs_info->qgroup_lock);
qgroup = add_qgroup_rb(fs_info, qgroupid);
spin_unlock(&fs_info->qgroup_lock);
if (IS_ERR(qgroup))
ret = PTR_ERR(qgroup);
out:
mutex_unlock(&fs_info->qgroup_ioctl_lock);
return ret;
}|
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