qgroup_rescan_work);
struct btrfs_path *path;
struct btrfs_trans_handle *trans = NULL;
- int err = -ENOMEM;
int ret = 0;
bool stopped = false;
bool did_leaf_rescans = false;
return;
path = btrfs_alloc_path();
- if (!path)
+ if (!path) {
+ ret = -ENOMEM;
goto out;
+ }
/*
* Rescan should only search for commit root, and any later difference
* should be recorded by qgroup
path->search_commit_root = 1;
path->skip_locking = 1;
- err = 0;
- while (!err && !(stopped = rescan_should_stop(fs_info))) {
+ while (!ret && !(stopped = rescan_should_stop(fs_info))) {
trans = btrfs_start_transaction(fs_info->fs_root, 0);
if (IS_ERR(trans)) {
- err = PTR_ERR(trans);
+ ret = PTR_ERR(trans);
break;
}
- err = qgroup_rescan_leaf(trans, path);
+ ret = qgroup_rescan_leaf(trans, path);
did_leaf_rescans = true;
- if (err > 0)
+ if (ret > 0)
btrfs_commit_transaction(trans);
else
btrfs_end_transaction(trans);
btrfs_free_path(path);
mutex_lock(&fs_info->qgroup_rescan_lock);
- if (err > 0 &&
+ if (ret > 0 &&
fs_info->qgroup_flags & BTRFS_QGROUP_STATUS_FLAG_INCONSISTENT) {
fs_info->qgroup_flags &= ~BTRFS_QGROUP_STATUS_FLAG_INCONSISTENT;
- } else if (err < 0 || stopped) {
+ } else if (ret < 0 || stopped) {
fs_info->qgroup_flags |= BTRFS_QGROUP_STATUS_FLAG_INCONSISTENT;
}
mutex_unlock(&fs_info->qgroup_rescan_lock);
if (did_leaf_rescans) {
trans = btrfs_start_transaction(fs_info->quota_root, 1);
if (IS_ERR(trans)) {
- err = PTR_ERR(trans);
+ ret = PTR_ERR(trans);
trans = NULL;
btrfs_err(fs_info,
"fail to start transaction for status update: %d",
- err);
+ ret);
}
} else {
trans = NULL;
fs_info->qgroup_flags & BTRFS_QGROUP_RUNTIME_FLAG_CANCEL_RESCAN)
fs_info->qgroup_flags &= ~BTRFS_QGROUP_STATUS_FLAG_RESCAN;
if (trans) {
- ret = update_qgroup_status_item(trans);
- if (ret < 0) {
- err = ret;
- btrfs_err(fs_info, "fail to update qgroup status: %d",
- err);
+ int ret2 = update_qgroup_status_item(trans);
+
+ if (ret2 < 0) {
+ ret = ret2;
+ btrfs_err(fs_info, "fail to update qgroup status: %d", ret);
}
}
fs_info->qgroup_rescan_running = false;
btrfs_info(fs_info, "qgroup scan paused");
} else if (fs_info->qgroup_flags & BTRFS_QGROUP_RUNTIME_FLAG_CANCEL_RESCAN) {
btrfs_info(fs_info, "qgroup scan cancelled");
- } else if (err >= 0) {
+ } else if (ret >= 0) {
btrfs_info(fs_info, "qgroup scan completed%s",
- err > 0 ? " (inconsistency flag cleared)" : "");
+ ret > 0 ? " (inconsistency flag cleared)" : "");
} else {
- btrfs_err(fs_info, "qgroup scan failed with %d", err);
+ btrfs_err(fs_info, "qgroup scan failed with %d", ret);
}
}