Message ID | 20180108030512.22344-1-anand.jain@oracle.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show |
On 2018年01月08日 11:05, Anand Jain wrote: > 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. This patch > does not add it to BTRFS_SUPER_FLAG_SUPP yet, and will continue to warn > about unsupported flag. > > Signed-off-by: Anand Jain <anand.jain@oracle.com> Reviewed-by: Qu Wenruo <wqu@suse.com> Thanks, Qu > --- > include/uapi/linux/btrfs_tree.h | 1 + > 1 file changed, 1 insertion(+) > > 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) > > > /* >
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) /*
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. This patch does not add it to BTRFS_SUPER_FLAG_SUPP yet, and will continue to warn about unsupported flag. Signed-off-by: Anand Jain <anand.jain@oracle.com> --- include/uapi/linux/btrfs_tree.h | 1 + 1 file changed, 1 insertion(+)