struct btrfs_ioctl_search_header *sh;
unsigned long off = 0;
unsigned int i;
+ struct btrfs_qgroup_status_item *si;
struct btrfs_qgroup_info_item *info;
struct btrfs_qgroup_limit_item *limit;
+ u64 flags;
u64 qgroupid;
u64 qgroupid1;
while (1) {
ret = ioctl(fd, BTRFS_IOC_TREE_SEARCH, &args);
- if (ret < 0)
- return -errno;
+ if (ret < 0) {
+ if (errno == ENOENT) {
+ error("can't list qgroups: quotas not enabled");
+ ret = -ENOTTY;
+ } else {
+ error("can't list qgroups: %s",
+ strerror(errno));
+ ret = -errno;
+ }
+
+ break;
+ }
/* the ioctl returns the number of item it found in nr_items */
if (sk->nr_items == 0)
off);
off += sizeof(*sh);
- if (btrfs_search_header_type(sh)
- == BTRFS_QGROUP_STATUS_KEY) {
- struct btrfs_qgroup_status_item *si;
- u64 flags;
-
+ switch (btrfs_search_header_type(sh)) {
+ case BTRFS_QGROUP_STATUS_KEY:
si = (struct btrfs_qgroup_status_item *)
(args.buf + off);
flags = btrfs_stack_qgroup_status_flags(si);
+
print_status_flag_warning(flags);
- } else if (btrfs_search_header_type(sh)
- == BTRFS_QGROUP_INFO_KEY) {
+ break;
+ case BTRFS_QGROUP_INFO_KEY:
qgroupid = btrfs_search_header_offset(sh);
info = (struct btrfs_qgroup_info_item *)
(args.buf + off);
- update_qgroup_info(qgroup_lookup, qgroupid,
- info);
- } else if (btrfs_search_header_type(sh)
- == BTRFS_QGROUP_LIMIT_KEY) {
+ ret = update_qgroup_info(qgroup_lookup,
+ qgroupid, info);
+ break;
+ case BTRFS_QGROUP_LIMIT_KEY:
qgroupid = btrfs_search_header_offset(sh);
limit = (struct btrfs_qgroup_limit_item *)
(args.buf + off);
- update_qgroup_limit(qgroup_lookup, qgroupid,
- limit);
- } else if (btrfs_search_header_type(sh)
- == BTRFS_QGROUP_RELATION_KEY) {
+ ret = update_qgroup_limit(qgroup_lookup,
+ qgroupid, limit);
+ break;
+ case BTRFS_QGROUP_RELATION_KEY:
qgroupid = btrfs_search_header_offset(sh);
qgroupid1 = btrfs_search_header_objectid(sh);
if (qgroupid < qgroupid1)
- goto skip;
+ break;
+
+ ret = update_qgroup_relation(qgroup_lookup,
+ qgroupid, qgroupid1);
+ break;
+ default:
+ return ret;
+ }
+
+ if (ret)
+ return ret;
- update_qgroup_relation(qgroup_lookup, qgroupid,
- qgroupid1);
- } else
- goto done;
-skip:
off += btrfs_search_header_len(sh);
/*
break;
}
-done:
return ret;
}