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authorAnand Jain <Anand.Jain@oracle.com>2018-01-09 09:05:41 +0800
committerDavid Sterba <dsterba@suse.com>2018-01-22 16:08:21 +0100
commite2731e55884f2138a252b0a3d7b24d57e49c3c59 (patch)
tree2bce22f9796eaef92de34d37f84b35a38201af5b
parenta6f93c71d412ba8ed743152c3a54ad0b78dcd9c7 (diff)
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>
-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 73ab44159d82..1916016e9fbb 100644
--- a/fs/btrfs/disk-io.c
+++ b/fs/btrfs/disk-io.c
@@ -61,7 +61,8 @@
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 6d6e5da51527..38ab0e06259a 100644
--- 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)
/*