diff options
Diffstat (limited to 'mkfs.c')
| -rw-r--r-- | mkfs.c | 8 |
1 files changed, 7 insertions, 1 deletions
@@ -280,6 +280,7 @@ static char *parse_label(char *input) } static struct option long_options[] = { + { "alloc-start", 1, NULL, 'A'}, { "byte-count", 1, NULL, 'b' }, { "leafsize", 1, NULL, 'l' }, { "label", 1, NULL, 'L'}, @@ -300,6 +301,7 @@ int main(int ac, char **av) u64 block_count = 0; u64 dev_block_count = 0; u64 blocks[6]; + u64 alloc_start; u64 metadata_profile = BTRFS_BLOCK_GROUP_RAID1 | BTRFS_BLOCK_GROUP_DUP; u64 data_profile = BTRFS_BLOCK_GROUP_RAID0; u32 leafsize = getpagesize(); @@ -315,11 +317,14 @@ int main(int ac, char **av) while(1) { int c; - c = getopt_long(ac, av, "b:l:n:s:m:d:L:", long_options, + c = getopt_long(ac, av, "A:b:l:n:s:m:d:L:", long_options, &option_index); if (c < 0) break; switch(c) { + case 'A': + alloc_start = parse_size(optarg); + break; case 'd': data_profile = parse_profile(optarg); break; @@ -397,6 +402,7 @@ int main(int ac, char **av) exit(1); } root = open_ctree(file, 0); + root->fs_info->alloc_start = alloc_start; trans = btrfs_start_transaction(root, 1); if (ac == 0) |