releases/4.9.195/btrfs-qgroup-drop-quota_root-and-fs_info-parameters-.patch

From 4bc17577373089cea92ef7f1fa286c428b9ee82a Mon Sep 17 00:00:00 2001
From: Sasha Levin <sashal@kernel.org>
Date: Wed, 18 Jul 2018 14:45:29 +0800
Subject: btrfs: qgroup: Drop quota_root and fs_info parameters from
 update_qgroup_status_item

From: Lu Fengqi <lufq.fnst@cn.fujitsu.com>

[ Upstream commit 2e980acdd829742966c6a7e565ef3382c0717295 ]

They can be fetched from the transaction handle.

Signed-off-by: Lu Fengqi <lufq.fnst@cn.fujitsu.com>
Signed-off-by: David Sterba <dsterba@suse.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 fs/btrfs/qgroup.c | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/fs/btrfs/qgroup.c b/fs/btrfs/qgroup.c
index f25233093d68c..088dc7d38c136 100644
--- a/fs/btrfs/qgroup.c
+++ b/fs/btrfs/qgroup.c
@@ -759,10 +759,10 @@ static int update_qgroup_info_item(struct btrfs_trans_handle *trans,
 	return ret;
 }
 
-static int update_qgroup_status_item(struct btrfs_trans_handle *trans,
-				     struct btrfs_fs_info *fs_info,
-				    struct btrfs_root *root)
+static int update_qgroup_status_item(struct btrfs_trans_handle *trans)
 {
+	struct btrfs_fs_info *fs_info = trans->fs_info;
+	struct btrfs_root *quota_root = fs_info->quota_root;
 	struct btrfs_path *path;
 	struct btrfs_key key;
 	struct extent_buffer *l;
@@ -778,7 +778,7 @@ static int update_qgroup_status_item(struct btrfs_trans_handle *trans,
 	if (!path)
 		return -ENOMEM;
 
-	ret = btrfs_search_slot(trans, root, &key, path, 0, 1);
+	ret = btrfs_search_slot(trans, quota_root, &key, path, 0, 1);
 	if (ret > 0)
 		ret = -ENOENT;
 
@@ -1863,7 +1863,7 @@ int btrfs_run_qgroups(struct btrfs_trans_handle *trans,
 		fs_info->qgroup_flags &= ~BTRFS_QGROUP_STATUS_FLAG_ON;
 	spin_unlock(&fs_info->qgroup_lock);
 
-	ret = update_qgroup_status_item(trans, fs_info, quota_root);
+	ret = update_qgroup_status_item(trans);
 	if (ret)
 		fs_info->qgroup_flags |= BTRFS_QGROUP_STATUS_FLAG_INCONSISTENT;
 
@@ -2403,7 +2403,7 @@ static void btrfs_qgroup_rescan_worker(struct btrfs_work *work)
 			  err);
 		goto done;
 	}
-	ret = update_qgroup_status_item(trans, fs_info, fs_info->quota_root);
+	ret = update_qgroup_status_item(trans);
 	if (ret < 0) {
 		err = ret;
 		btrfs_err(fs_info, "fail to update qgroup status: %d", err);
-- 
2.20.1