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>

diff --git a/mkfs.c b/mkfs.c
index cba4f02..d980d4a 100644 (file)
--- 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;

diff --git a/utils.c b/utils.c
index f9ad946..87424fe 100644 (file)
--- a/utils.c
+++ b/utils.c
@@ -702,7 +702,7 @@ int btrfs_prepare_device(int fd, char *file, int zero_end, u64 *block_count_ret,
        if (max_block_count)
                block_count = min(block_count, max_block_count);
 
-       if (block_count < 1024 * 1024 * 1024 && !(*mixed)) {
+       if (block_count < BTRFS_MKFS_SMALL_VOLUME_SIZE && !(*mixed)) {
                printf("SMALL VOLUME: forcing mixed metadata/data groups\n");
                *mixed = 1;
        }
@@ -2287,7 +2287,7 @@ int is_vol_small(char *file)
                close(fd);
                return -1;
        }
-       if (size < 1024 * 1024 * 1024) {
+       if (size < BTRFS_MKFS_SMALL_VOLUME_SIZE) {
                close(fd);
                return 1;
        } else {

diff --git a/utils.h b/utils.h
index e29ab93..d7d2ad5 100644 (file)
--- a/utils.h
+++ b/utils.h
@@ -24,6 +24,7 @@
 #include <dirent.h>
 
 #define BTRFS_MKFS_SYSTEM_GROUP_SIZE (4 * 1024 * 1024)
+#define BTRFS_MKFS_SMALL_VOLUME_SIZE (1024 * 1024 * 1024)
 
 #define BTRFS_SCAN_PROC                (1ULL << 0)
 #define BTRFS_SCAN_DEV         (1ULL << 1)