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| author | Anand Jain <Anand.Jain@oracle.com> | 2018-01-09 04:05:41 +0300 |
|---|---|---|
| committer | David Sterba <dsterba@suse.com> | 2018-01-22 18:08:21 +0300 |
| commit | e2731e55884f2138a252b0a3d7b24d57e49c3c59 (patch) | |
| tree | 2bce22f9796eaef92de34d37f84b35a38201af5b | |
| parent | a6f93c71d412ba8ed743152c3a54ad0b78dcd9c7 (diff) | |
| download | linux-e2731e55884f2138a252b0a3d7b24d57e49c3c59.tar.xz | |
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.c | 3 | ||||
| -rw-r--r-- | include/uapi/linux/btrfs_tree.h | 1 |
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) /* |