From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.kernel.org ([198.145.29.99]:36976 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932651AbeFIPek (ORCPT ); Sat, 9 Jun 2018 11:34:40 -0400 From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Anand Jain , David Sterba Subject: [PATCH 4.14 05/41] btrfs: define SUPER_FLAG_METADUMP_V2 Date: Sat, 9 Jun 2018 17:29:37 +0200 Message-Id: <20180609152926.728290666@linuxfoundation.org> In-Reply-To: <20180609152926.389750182@linuxfoundation.org> References: <20180609152926.389750182@linuxfoundation.org> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Sender: stable-owner@vger.kernel.org List-ID: 4.14-stable review patch. If anyone has any objections, please let me know. ------------------ From: Anand Jain commit e2731e55884f2138a252b0a3d7b24d57e49c3c59 upstream. btrfs-progs uses super flag bit BTRFS_SUPER_FLAG_METADUMP_V2 (1ULL << 34). So just define that in kernel so that we know its been used. Signed-off-by: Anand Jain Reviewed-by: David Sterba Signed-off-by: David Sterba Signed-off-by: Greg Kroah-Hartman --- fs/btrfs/disk-io.c | 3 ++- include/uapi/linux/btrfs_tree.h | 1 + 2 files changed, 3 insertions(+), 1 deletion(-) --- a/fs/btrfs/disk-io.c +++ b/fs/btrfs/disk-io.c @@ -59,7 +59,8 @@ BTRFS_HEADER_FLAG_RELOC |\ BTRFS_SUPER_FLAG_ERROR |\ BTRFS_SUPER_FLAG_SEEDING |\ - BTRFS_SUPER_FLAG_METADUMP) + BTRFS_SUPER_FLAG_METADUMP |\ + BTRFS_SUPER_FLAG_METADUMP_V2) static const struct extent_io_ops btree_extent_io_ops; static void end_workqueue_fn(struct btrfs_work *work); --- a/include/uapi/linux/btrfs_tree.h +++ b/include/uapi/linux/btrfs_tree.h @@ -456,6 +456,7 @@ struct btrfs_free_space_header { #define BTRFS_SUPER_FLAG_SEEDING (1ULL << 32) #define BTRFS_SUPER_FLAG_METADUMP (1ULL << 33) +#define BTRFS_SUPER_FLAG_METADUMP_V2 (1ULL << 34) /*