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authorAnand Jain <Anand.Jain@oracle.com>2018-01-09 09:05:41 +0800
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2018-06-13 16:16:41 +0200
commit8d99eb45732d331616e39740028afeb9afaf0b77 (patch)
treefd9ab3f4f3ceb27f6e78d9a64f02e6f14124539f
parent4be6529b71dc98696cd760984a98d1397fd90ae3 (diff)
btrfs: define SUPER_FLAG_METADUMP_V2
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 <anand.jain@oracle.com> Reviewed-by: David Sterba <dsterba@suse.com> Signed-off-by: David Sterba <dsterba@suse.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-rw-r--r--fs/btrfs/disk-io.c3
-rw-r--r--include/uapi/linux/btrfs_tree.h1
2 files changed, 3 insertions, 1 deletions
diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
index c5eafcdb3664..92f3b231d5a2 100644
--- 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);
diff --git a/include/uapi/linux/btrfs_tree.h b/include/uapi/linux/btrfs_tree.h
index d5ad15a106a7..c794c9af6c0f 100644
--- a/include/uapi/linux/btrfs_tree.h
+++ b/include/uapi/linux/btrfs_tree.h
@@ -452,6 +452,7 @@ 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)
/*