Re: [PATCH 2/2] Btrfs: automatic rescan after "quota enable" command

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Hello, Jan

My bug fix patch-set V3 is coming,

I am afraid there will be conflicts.
Do i need rebase your patch set?

Thanks,
Wang
> When qgroup tracking is enabled, we do an automatic cycle of the new rescan
> mechanism.
> 
> Signed-off-by: Jan Schmidt <list.btrfs@xxxxxxxxxxxxx>
> ---
> fs/btrfs/qgroup.c |   10 ++++++++++
> 1 files changed, 10 insertions(+), 0 deletions(-)
> 
> diff --git a/fs/btrfs/qgroup.c b/fs/btrfs/qgroup.c
> index e0d9cf8..772d57e 100644
> --- a/fs/btrfs/qgroup.c
> +++ b/fs/btrfs/qgroup.c
> @@ -1534,10 +1534,14 @@ int btrfs_run_qgroups(struct btrfs_trans_handle *trans,
> {
> 	struct btrfs_root *quota_root = fs_info->quota_root;
> 	int ret = 0;
> +	int start_rescan_worker = 0;
> 
> 	if (!quota_root)
> 		goto out;
> 
> +	if (!fs_info->quota_enabled && fs_info->pending_quota_state)
> +		start_rescan_worker = 1;
> +
> 	fs_info->quota_enabled = fs_info->pending_quota_state;
> 
> 	spin_lock(&fs_info->qgroup_lock);
> @@ -1563,6 +1567,12 @@ int btrfs_run_qgroups(struct btrfs_trans_handle *trans,
> 	if (ret)
> 		fs_info->qgroup_flags |= BTRFS_QGROUP_STATUS_FLAG_INCONSISTENT;
> 
> +	if (start_rescan_worker) {
> +		ret = btrfs_qgroup_rescan(fs_info);
> +		if (ret)
> +			pr_err("btrfs: start rescan quota failed: %d\n", ret);
> +	}
> +
> out:
> 
> 	return ret;
> -- 
> 1.7.1
> 
> --
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