u64 system;
};
-static int make_root_dir(struct btrfs_root *root, int mixed,
- struct mkfs_allocation *allocation)
+static int create_metadata_block_groups(struct btrfs_root *root,
+ u64 metadata_profile, int mixed,
+ struct mkfs_allocation *allocation)
{
struct btrfs_trans_handle *trans;
- struct btrfs_key location;
u64 bytes_used;
u64 chunk_start = 0;
u64 chunk_size = 0;
root->fs_info->system_allocs = 1;
ret = btrfs_make_block_group(trans, root, bytes_used,
+ metadata_profile |
BTRFS_BLOCK_GROUP_SYSTEM,
BTRFS_FIRST_CHUNK_TREE_OBJECTID,
0, BTRFS_MKFS_SYSTEM_GROUP_SIZE);
}
BUG_ON(ret);
ret = btrfs_make_block_group(trans, root, 0,
+ metadata_profile |
BTRFS_BLOCK_GROUP_METADATA |
BTRFS_BLOCK_GROUP_DATA,
BTRFS_FIRST_CHUNK_TREE_OBJECTID,
}
BUG_ON(ret);
ret = btrfs_make_block_group(trans, root, 0,
+ metadata_profile |
BTRFS_BLOCK_GROUP_METADATA,
BTRFS_FIRST_CHUNK_TREE_OBJECTID,
chunk_start, chunk_size);
root->fs_info->system_allocs = 0;
btrfs_commit_transaction(trans, root);
- trans = btrfs_start_transaction(root, 1);
- BUG_ON(!trans);
+
+err:
+ return ret;
+}
+
+static int create_data_block_groups(struct btrfs_trans_handle *trans,
+ struct btrfs_root *root, u64 data_profile, int mixed,
+ struct mkfs_allocation *allocation)
+{
+ u64 chunk_start = 0;
+ u64 chunk_size = 0;
+ int ret = 0;
if (!mixed) {
ret = btrfs_alloc_chunk(trans, root->fs_info->extent_root,
}
BUG_ON(ret);
ret = btrfs_make_block_group(trans, root, 0,
+ data_profile |
BTRFS_BLOCK_GROUP_DATA,
BTRFS_FIRST_CHUNK_TREE_OBJECTID,
chunk_start, chunk_size);
BUG_ON(ret);
}
+err:
+ return ret;
+}
+
+static int make_root_dir(struct btrfs_trans_handle *trans, struct btrfs_root *root,
+ int mixed, struct mkfs_allocation *allocation)
+{
+ struct btrfs_key location;
+ int ret;
+
ret = btrfs_make_root_dir(trans, root->fs_info->tree_root,
BTRFS_ROOT_TREE_DIR_OBJECTID);
if (ret)
if (ret)
goto err;
- btrfs_commit_transaction(trans, root);
err:
return ret;
}
static int create_raid_groups(struct btrfs_trans_handle *trans,
struct btrfs_root *root, u64 data_profile,
- int data_profile_opt, u64 metadata_profile,
- int mixed,
+ u64 metadata_profile, int mixed,
struct mkfs_allocation *allocation)
{
u64 num_devices = btrfs_super_num_devices(root->fs_info->super_copy);
return 0;
}
-
-static void print_usage(void) __attribute__((noreturn));
-static void print_usage(void)
+static void print_usage(int ret)
{
fprintf(stderr, "usage: mkfs.btrfs [options] dev [ dev ... ]\n");
fprintf(stderr, "options:\n");
fprintf(stderr, "\t-q|--quiet no messages except errors\n");
fprintf(stderr, "\t-V|--version print the mkfs.btrfs version and exit\n");
fprintf(stderr, "%s\n", PACKAGE_STRING);
- exit(1);
+ exit(ret);
}
static void print_version(void) __attribute__((noreturn));
return 0;
} else {
fprintf(stderr, "Unknown profile %s\n", s);
- print_usage();
}
/* not reached */
return 0;
list_for_each_entry(device, &fs_devices->devices, dev_list)
number_of_devices++;
- printf(" Number of devices:\t%d\n", number_of_devices);
- printf(" UUID ID SIZE PATH\n");
- printf(" ------------------------------------ -- --------- -----------\n");
+ printf("Number of devices: %d\n", number_of_devices);
+ /* printf("Total devices size: %10s\n", */
+ /* pretty_size(total_block_count)); */
+ printf("Devices:\n");
+ printf(" ID SIZE PATH\n");
list_for_each_entry_reverse(device, &fs_devices->devices, dev_list) {
char dev_uuid[BTRFS_UUID_UNPARSED_SIZE];
uuid_unparse(device->uuid, dev_uuid);
- printf(" %s %3llu %10s %s\n",
- dev_uuid, device->devid,
+ printf(" %3llu %10s %s\n",
+ device->devid,
pretty_size(device->total_bytes),
device->name);
total_block_count += device->total_bytes;
}
printf("\n");
- printf(" Total devices size: %10s\n",
- pretty_size(total_block_count));
}
int main(int ac, char **av)
u64 alloc_start = 0;
u64 metadata_profile = 0;
u64 data_profile = 0;
+ u64 default_metadata_profile = 0;
+ u64 default_data_profile = 0;
u32 nodesize = max_t(u32, sysconf(_SC_PAGESIZE),
BTRFS_MKFS_DEFAULT_NODE_SIZE);
u32 sectorsize = 4096;
int discard = 1;
int ssd = 0;
int force_overwrite = 0;
-
char *source_dir = NULL;
int source_dir_set = 0;
u64 num_of_meta_chunks = 0;
u64 source_dir_size = 0;
int dev_cnt = 0;
int saved_optind;
- char estr[100];
char fs_uuid[BTRFS_UUID_UNPARSED_SIZE] = { 0 };
u64 features = BTRFS_MKFS_DEFAULT_FEATURES;
struct mkfs_allocation allocation = { 0 };
+ struct btrfs_mkfs_config mkfs_cfg;
while(1) {
int c;
{ "features", required_argument, NULL, 'O' },
{ "uuid", required_argument, NULL, 'U' },
{ "quiet", 0, NULL, 'q' },
+ { "help", no_argument, NULL, GETOPT_VAL_HELP },
{ NULL, 0, NULL, 0}
};
case 'q':
verbose = 0;
break;
+ case GETOPT_VAL_HELP:
default:
- print_usage();
+ print_usage(c != GETOPT_VAL_HELP);
}
}
sectorsize = max(sectorsize, (u32)sysconf(_SC_PAGESIZE));
saved_optind = optind;
dev_cnt = ac - optind;
if (dev_cnt == 0)
- print_usage();
+ print_usage(1);
if (source_dir_set && dev_cnt > 1) {
fprintf(stderr,
while (dev_cnt-- > 0) {
file = av[optind++];
if (is_block_device(file))
- if (test_dev_for_mkfs(file, force_overwrite, estr)) {
- fprintf(stderr, "Error: %s", estr);
+ if (test_dev_for_mkfs(file, force_overwrite))
exit(1);
- }
}
optind = saved_optind;
}
}
ret = test_num_disk_vs_raid(metadata_profile, data_profile,
- dev_cnt, mixed, estr);
- if (ret) {
- fprintf(stderr, "Error: %s\n", estr);
+ dev_cnt, mixed);
+ if (ret)
exit(1);
- }
/* if we are here that means all devs are good to btrfsify */
if (verbose) {
features |= BTRFS_FEATURE_INCOMPAT_RAID56;
}
- ret = make_btrfs(fd, file, label, fs_uuid, blocks, dev_block_count,
- nodesize, sectorsize, stripesize, features);
+ mkfs_cfg.label = label;
+ mkfs_cfg.fs_uuid = fs_uuid;
+ memcpy(mkfs_cfg.blocks, blocks, sizeof(blocks));
+ mkfs_cfg.num_bytes = dev_block_count;
+ mkfs_cfg.nodesize = nodesize;
+ mkfs_cfg.sectorsize = sectorsize;
+ mkfs_cfg.stripesize = stripesize;
+ mkfs_cfg.features = features;
+
+ ret = make_btrfs(fd, &mkfs_cfg);
if (ret) {
fprintf(stderr, "error during mkfs: %s\n", strerror(-ret));
exit(1);
}
root->fs_info->alloc_start = alloc_start;
- ret = make_root_dir(root, mixed, &allocation);
+ if (dev_cnt == 0) {
+ default_metadata_profile = metadata_profile;
+ default_data_profile = data_profile;
+ } else {
+ /*
+ * Temporary groups to store new device entries
+ */
+ default_metadata_profile = 0;
+ default_data_profile = 0;
+ }
+
+ ret = create_metadata_block_groups(root, default_metadata_profile,
+ mixed, &allocation);
+ if (ret) {
+ fprintf(stderr, "failed to create default block groups\n");
+ exit(1);
+ }
+
+ trans = btrfs_start_transaction(root, 1);
+ BUG_ON(!trans);
+
+ ret = create_data_block_groups(trans, root, default_data_profile,
+ mixed, &allocation);
+ if (ret) {
+ fprintf(stderr, "failed to create default data block groups\n");
+ exit(1);
+ }
+
+ ret = make_root_dir(trans, root, mixed, &allocation);
if (ret) {
fprintf(stderr, "failed to setup the root directory\n");
exit(1);
}
+ btrfs_commit_transaction(trans, root);
+
trans = btrfs_start_transaction(root, 1);
if (is_block_device(file))
btrfs_register_one_device(file);
if (dev_cnt == 0)
- goto raid_groups;
+ goto skip_multidev;
while (dev_cnt-- > 0) {
int old_mixed = mixed;
btrfs_register_one_device(file);
}
-raid_groups:
if (!source_dir_set) {
ret = create_raid_groups(trans, root, data_profile,
- data_profile_opt, metadata_profile,
- mixed, &allocation);
+ metadata_profile, mixed, &allocation);
BUG_ON(ret);
}
+skip_multidev:
ret = create_data_reloc_tree(trans, root);
BUG_ON(ret);
if (verbose) {
char features_buf[64];
- printf("BTRFS filesystem summary:\n");
- printf(" Label:\t\t%s\n", label);
- printf(" UUID:\t\t\t%s\n", fs_uuid);
- printf("\n");
-
- printf(" Node size:\t\t%u\n", nodesize);
- printf(" Sector size:\t\t%u\n", sectorsize);
- printf(" Initial chunks:\n");
+ printf("Label: %s\n", label);
+ printf("UUID: %s\n", fs_uuid);
+ printf("Node size: %u\n", nodesize);
+ printf("Sector size: %u\n", sectorsize);
+ printf("Filesystem size: %s\n",
+ pretty_size(btrfs_super_total_bytes(root->fs_info->super_copy)));
+ printf("Block group profiles:\n");
if (allocation.data)
- printf(" Data:\t\t%s\n",
+ printf(" Data: %-8s %16s\n",
+ btrfs_group_profile_str(data_profile),
pretty_size(allocation.data));
if (allocation.metadata)
- printf(" Metadata:\t\t%s\n",
+ printf(" Metadata: %-8s %16s\n",
+ btrfs_group_profile_str(metadata_profile),
pretty_size(allocation.metadata));
if (allocation.mixed)
- printf(" Data+Metadata:\t%s\n",
+ printf(" Data+Metadata: %-8s %16s\n",
+ btrfs_group_profile_str(data_profile),
pretty_size(allocation.mixed));
- printf(" System:\t\t%s\n",
+ printf(" System: %-8s %16s\n",
+ btrfs_group_profile_str(metadata_profile),
pretty_size(allocation.system));
- printf(" Metadata profile:\t%s\n",
- btrfs_group_profile_str(metadata_profile));
- printf(" Data profile:\t\t%s\n",
- btrfs_group_profile_str(data_profile));
- printf(" Mixed mode:\t\t%s\n", mixed ? "YES" : "NO");
- printf(" SSD detected:\t\t%s\n", ssd ? "YES" : "NO");
+ printf("SSD detected: %s\n", ssd ? "yes" : "no");
btrfs_parse_features_to_string(features_buf, features);
- printf(" Incompat features:\t%s", features_buf);
+ printf("Incompat features: %s", features_buf);
printf("\n");
list_all_devices(root);