btrfs-progs: define BTRFS_MKFS_SMALL_VOLUME_SIZE for small volume

mkfs cut of size '1024 * 1024 * 1024' to mark dev as small volume so to
force mixed group. Use a define for that.

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

1 files changed, 1 insertions, 1 deletions

diff --git a/mkfs.c b/mkfs.c
index cba4f021..d980d4aa 100644
--- a/mkfs.c
+++ b/mkfs.c
@@ -1335,7 +1335,7 @@ int main(int ac, char **av)
 				break;
 			case 'b':
 				block_count = parse_size(optarg);
-				if (block_count <= 1024*1024*1024) {
+				if (block_count <= BTRFS_MKFS_SMALL_VOLUME_SIZE) {
 					fprintf(stdout,
 				"SMALL VOLUME: forcing mixed metadata/data groups\n");
 					mixed = 1;