From: Filipe Manana <fdmanana@suse.com>
Date: Mon, 25 Oct 2021 17:31:51 +0100
Git-commit: 6d9cc07215c7f09e215dd2a19233996845040ae7
Patch-mainline: v5.16-rc1
References: bsc#1197915
Subject: [PATCH] btrfs: remove root argument from add_link()

The root argument for tree-log.c:add_link() always matches the root of the
given directory and the given inode, so it can eliminated.

Signed-off-by: Filipe Manana <fdmanana@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
---
 fs/btrfs/tree-log.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/fs/btrfs/tree-log.c b/fs/btrfs/tree-log.c
index 568509371b68..b753b3c87e14 100644
--- a/fs/btrfs/tree-log.c
+++ b/fs/btrfs/tree-log.c
@@ -1413,10 +1413,11 @@ static int btrfs_inode_ref_exists(struct inode *inode, struct inode *dir,
 	return ret;
 }
 
-static int add_link(struct btrfs_trans_handle *trans, struct btrfs_root *root,
+static int add_link(struct btrfs_trans_handle *trans,
 		    struct inode *dir, struct inode *inode, const char *name,
 		    int namelen, u64 ref_index)
 {
+	struct btrfs_root *root = BTRFS_I(dir)->root;
 	struct btrfs_dir_item *dir_item;
 	struct btrfs_key key;
 	struct btrfs_path *path;
@@ -1612,7 +1613,7 @@ static noinline int add_inode_ref(struct btrfs_trans_handle *trans,
 				goto out;
 
 			/* insert our name */
-			ret = add_link(trans, root, dir, inode, name, namelen,
+			ret = add_link(trans, dir, inode, name, namelen,
 				       ref_index);
 			if (ret)
 				goto out;
-- 
2.26.2