btrfs: allow idmapped setattr inode op
Enable btrfs_setattr() 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 c040d99..88ac63f 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -5392,7 +5392,7 @@ static int btrfs_setattr(struct user_namespace *mnt_userns, struct dentry *dentr
if (btrfs_root_readonly(root))
return -EROFS;
- err = setattr_prepare(&init_user_ns, dentry, attr);
+ err = setattr_prepare(mnt_userns, dentry, attr);
if (err)
return err;
@@ -5403,13 +5403,12 @@ static int btrfs_setattr(struct user_namespace *mnt_userns, struct dentry *dentr
}
if (attr->ia_valid) {
- setattr_copy(&init_user_ns, inode, attr);
+ setattr_copy(mnt_userns, inode, attr);
inode_inc_iversion(inode);
err = btrfs_dirty_inode(inode);
if (!err && attr->ia_valid & ATTR_MODE)
- err = posix_acl_chmod(&init_user_ns, inode,
- inode->i_mode);
+ err = posix_acl_chmod(mnt_userns, inode, inode->i_mode);
}
return err;