From: Christian Brauner <christian.brauner@ubuntu.com>
Date: Tue, 27 Jul 2021 10:48:46 +0000 (+0200)
Subject: btrfs: allow idmapped mkdir inode op
X-Git-Tag: howlett/maple/20220722_2~2473^2~19
X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=b0b3e44d346c91dde3899d37eddf867b9b36ffdc;p=users%2Fjedix%2Flinux-maple.git

btrfs: allow idmapped mkdir inode op

Enable btrfs_mkdir() to handle idmapped mounts. This is just a matter of
passing down the mount's userns.

Reviewed-by: Josef Bacik <josef@toxicpanda.com>
Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
---

diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index a75661cd68ec..16bd56edb8e1 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -6926,7 +6926,7 @@ static int btrfs_mkdir(struct user_namespace *mnt_userns, struct inode *dir,
 	if (err)
 		goto out_fail;
 
-	inode = btrfs_new_inode(trans, root, &init_user_ns, dir,
+	inode = btrfs_new_inode(trans, root, mnt_userns, dir,
 			dentry->d_name.name, dentry->d_name.len,
 			btrfs_ino(BTRFS_I(dir)), objectid,
 			S_IFDIR | mode, &index);