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Commit e2731e55 authored Jan 09, 2018 by Anand Jain Committed by David Sterba Jan 22, 2018

btrfs: define SUPER_FLAG_METADUMP_V2



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 <anand.jain@oracle.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>

parent a6f93c71

fs/btrfs/disk-io.c

+2 −1

Original line number	Original line	Diff line number	Diff line
	@@ -61,7 +61,8 @@
	BTRFS_HEADER_FLAG_RELOC \|\		BTRFS_HEADER_FLAG_RELOC \|\
	BTRFS_SUPER_FLAG_ERROR \|\		BTRFS_SUPER_FLAG_ERROR \|\
	BTRFS_SUPER_FLAG_SEEDING \|\		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 const struct extent_io_ops btree_extent_io_ops;
	static void end_workqueue_fn(struct btrfs_work *work);		static void end_workqueue_fn(struct btrfs_work *work);

include/uapi/linux/btrfs_tree.h

+1 −0

Original line number	Original line	Diff line number	Diff line
	@@ -456,6 +456,7 @@ struct btrfs_free_space_header {

	#define BTRFS_SUPER_FLAG_SEEDING (1ULL << 32)		#define BTRFS_SUPER_FLAG_SEEDING (1ULL << 32)
	#define BTRFS_SUPER_FLAG_METADUMP (1ULL << 33)		#define BTRFS_SUPER_FLAG_METADUMP (1ULL << 33)
			#define BTRFS_SUPER_FLAG_METADUMP_V2 (1ULL << 34)


	/*		/*