*/
#include "kerncompat.h"
+#include "androidcompat.h"
#include <sys/ioctl.h>
#include <sys/mount.h>
#include <stdlib.h>
#include <sys/types.h>
#include <sys/stat.h>
-#include <sys/dir.h>
+/* #include <sys/dir.h> included via androidcompat.h */
#include <fcntl.h>
#include <unistd.h>
#include <getopt.h>
#include "volumes.h"
#include "transaction.h"
#include "utils.h"
+#include "list_sort.h"
static u64 index_cnt = 2;
static int verbose = 1;
struct directory_name_entry {
- char *dir_name;
- char *path;
+ const char *dir_name;
+ const char *path;
ino_t inum;
struct list_head list;
};
-static int make_root_dir(struct btrfs_root *root, int mixed)
+struct mkfs_allocation {
+ u64 data;
+ u64 metadata;
+ u64 mixed;
+ u64 system;
+};
+
+static int create_metadata_block_groups(struct btrfs_root *root, 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;
BTRFS_BLOCK_GROUP_SYSTEM,
BTRFS_FIRST_CHUNK_TREE_OBJECTID,
0, BTRFS_MKFS_SYSTEM_GROUP_SIZE);
- BUG_ON(ret);
+ allocation->system += BTRFS_MKFS_SYSTEM_GROUP_SIZE;
+ if (ret)
+ return ret;
if (mixed) {
ret = btrfs_alloc_chunk(trans, root->fs_info->extent_root,
BTRFS_BLOCK_GROUP_METADATA |
BTRFS_BLOCK_GROUP_DATA);
if (ret == -ENOSPC) {
- fprintf(stderr,
- "no space to alloc data/metadata chunk\n");
+ error("no space to allocate data/metadata chunk");
goto err;
}
- BUG_ON(ret);
+ if (ret)
+ return ret;
ret = btrfs_make_block_group(trans, root, 0,
BTRFS_BLOCK_GROUP_METADATA |
BTRFS_BLOCK_GROUP_DATA,
BTRFS_FIRST_CHUNK_TREE_OBJECTID,
chunk_start, chunk_size);
- BUG_ON(ret);
- if (verbose)
- printf("Created a data/metadata chunk of size %llu\n",
- chunk_size);
+ if (ret)
+ return ret;
+ allocation->mixed += chunk_size;
} else {
ret = btrfs_alloc_chunk(trans, root->fs_info->extent_root,
&chunk_start, &chunk_size,
BTRFS_BLOCK_GROUP_METADATA);
if (ret == -ENOSPC) {
- fprintf(stderr, "no space to alloc metadata chunk\n");
+ error("no space to allocate metadata chunk");
goto err;
}
- BUG_ON(ret);
+ if (ret)
+ return ret;
ret = btrfs_make_block_group(trans, root, 0,
BTRFS_BLOCK_GROUP_METADATA,
BTRFS_FIRST_CHUNK_TREE_OBJECTID,
chunk_start, chunk_size);
- BUG_ON(ret);
+ allocation->metadata += chunk_size;
+ if (ret)
+ return ret;
}
root->fs_info->system_allocs = 0;
- btrfs_commit_transaction(trans, root);
- trans = btrfs_start_transaction(root, 1);
- BUG_ON(!trans);
+ ret = btrfs_commit_transaction(trans, root);
+
+err:
+ return ret;
+}
+
+static int create_data_block_groups(struct btrfs_trans_handle *trans,
+ struct btrfs_root *root, 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,
&chunk_start, &chunk_size,
BTRFS_BLOCK_GROUP_DATA);
if (ret == -ENOSPC) {
- fprintf(stderr, "no space to alloc data chunk\n");
+ error("no space to allocate data chunk");
goto err;
}
- BUG_ON(ret);
+ if (ret)
+ return ret;
ret = btrfs_make_block_group(trans, root, 0,
BTRFS_BLOCK_GROUP_DATA,
BTRFS_FIRST_CHUNK_TREE_OBJECTID,
chunk_start, chunk_size);
- BUG_ON(ret);
+ allocation->data += chunk_size;
+ if (ret)
+ return ret;
}
+err:
+ return ret;
+}
+
+static int make_root_dir(struct btrfs_trans_handle *trans, struct btrfs_root *root,
+ 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 void __recow_root(struct btrfs_trans_handle *trans,
+static int __recow_root(struct btrfs_trans_handle *trans,
struct btrfs_root *root)
{
- int ret;
struct extent_buffer *tmp;
+ int ret;
if (trans->transid != btrfs_root_generation(&root->root_item)) {
extent_buffer_get(root->node);
ret = __btrfs_cow_block(trans, root, root->node,
NULL, 0, &tmp, 0, 0);
- BUG_ON(ret);
+ if (ret)
+ return ret;
free_extent_buffer(tmp);
}
+
+ return 0;
}
-static void recow_roots(struct btrfs_trans_handle *trans,
+static int recow_roots(struct btrfs_trans_handle *trans,
struct btrfs_root *root)
{
struct btrfs_fs_info *info = root->fs_info;
+ int ret;
+
+ ret = __recow_root(trans, info->fs_root);
+ if (ret)
+ return ret;
+ ret = __recow_root(trans, info->tree_root);
+ if (ret)
+ return ret;
+ ret = __recow_root(trans, info->extent_root);
+ if (ret)
+ return ret;
+ ret = __recow_root(trans, info->chunk_root);
+ if (ret)
+ return ret;
+ ret = __recow_root(trans, info->dev_root);
+ if (ret)
+ return ret;
+ ret = __recow_root(trans, info->csum_root);
+ if (ret)
+ return ret;
- __recow_root(trans, info->fs_root);
- __recow_root(trans, info->tree_root);
- __recow_root(trans, info->extent_root);
- __recow_root(trans, info->chunk_root);
- __recow_root(trans, info->dev_root);
- __recow_root(trans, info->csum_root);
+ return 0;
}
static int create_one_raid_group(struct btrfs_trans_handle *trans,
- struct btrfs_root *root, u64 type)
+ struct btrfs_root *root, u64 type,
+ struct mkfs_allocation *allocation)
+
{
u64 chunk_start;
u64 chunk_size;
ret = btrfs_alloc_chunk(trans, root->fs_info->extent_root,
&chunk_start, &chunk_size, type);
if (ret == -ENOSPC) {
- fprintf(stderr, "not enough free space\n");
+ error("not enough free space to allocate chunk");
exit(1);
}
- BUG_ON(ret);
+ if (ret)
+ return ret;
+
ret = btrfs_make_block_group(trans, root->fs_info->extent_root, 0,
type, BTRFS_FIRST_CHUNK_TREE_OBJECTID,
chunk_start, chunk_size);
- BUG_ON(ret);
+
+ type &= BTRFS_BLOCK_GROUP_TYPE_MASK;
+ if (type == BTRFS_BLOCK_GROUP_DATA) {
+ allocation->data += chunk_size;
+ } else if (type == BTRFS_BLOCK_GROUP_METADATA) {
+ allocation->metadata += chunk_size;
+ } else if (type == BTRFS_BLOCK_GROUP_SYSTEM) {
+ allocation->system += chunk_size;
+ } else if (type ==
+ (BTRFS_BLOCK_GROUP_METADATA | BTRFS_BLOCK_GROUP_DATA)) {
+ allocation->mixed += chunk_size;
+ } else {
+ error("unrecognized profile type: 0x%llx",
+ (unsigned long long)type);
+ ret = -EINVAL;
+ }
+
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);
int ret;
if (metadata_profile) {
ret = create_one_raid_group(trans, root,
BTRFS_BLOCK_GROUP_SYSTEM |
- metadata_profile);
- BUG_ON(ret);
+ metadata_profile, allocation);
+ if (ret)
+ return ret;
if (mixed)
meta_flags |= BTRFS_BLOCK_GROUP_DATA;
ret = create_one_raid_group(trans, root, meta_flags |
- metadata_profile);
- BUG_ON(ret);
+ metadata_profile, allocation);
+ if (ret)
+ return ret;
}
- if (!mixed && num_devices > 1 && data_profile) {
+ if (!mixed && data_profile) {
ret = create_one_raid_group(trans, root,
BTRFS_BLOCK_GROUP_DATA |
- data_profile);
- BUG_ON(ret);
+ data_profile, allocation);
+ if (ret)
+ return ret;
}
- recow_roots(trans, root);
+ ret = recow_roots(trans, root);
- return 0;
+ return ret;
}
static int create_data_reloc_tree(struct btrfs_trans_handle *trans,
int ret;
ret = btrfs_copy_root(trans, root, root->node, &tmp, objectid);
- BUG_ON(ret);
+ if (ret)
+ return ret;
memcpy(&root_item, &root->root_item, sizeof(root_item));
btrfs_set_root_bytenr(&root_item, tmp->start);
location.offset = 0;
ret = btrfs_insert_root(trans, root->fs_info->tree_root,
&location, &root_item);
- BUG_ON(ret);
- return 0;
-}
-
-static void print_usage(void) __attribute__((noreturn));
-static void print_usage(void)
-{
- fprintf(stderr, "usage: mkfs.btrfs [options] dev [ dev ... ]\n");
- fprintf(stderr, "options:\n");
- fprintf(stderr, "\t-A|--alloc-start START the offset to start the FS\n");
- fprintf(stderr, "\t-b|--byte-count SIZE total number of bytes in the FS\n");
- fprintf(stderr, "\t-d|--data PROFILE data profile, raid0, raid1, raid5, raid6, raid10, dup or single\n");
- fprintf(stderr, "\t-f|--force force overwrite of existing filesystem\n");
- fprintf(stderr, "\t-l|--leafsize SIZE deprecated, alias for nodesize\n");
- fprintf(stderr, "\t-L|--label LABEL set a label\n");
- fprintf(stderr, "\t-m|--metadata PROFILE metadata profile, values like data profile\n");
- fprintf(stderr, "\t-M|--mixed mix metadata and data together\n");
- fprintf(stderr, "\t-n|--nodesize SIZE size of btree nodes\n");
- fprintf(stderr, "\t-s|--sectorsize SIZE min block allocation (may not mountable by current kernel)\n");
- fprintf(stderr, "\t-r|--rootdir DIR the source directory\n");
- fprintf(stderr, "\t-K|--nodiscard do not perform whole device TRIM\n");
- fprintf(stderr, "\t-O|--features LIST comma separated list of filesystem features, use '-O list-all' to list features\n");
- fprintf(stderr, "\t-U|--uuid UUID specify the filesystem UUID\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);
+ return ret;
}
-static void print_version(void) __attribute__((noreturn));
-static void print_version(void)
+static void print_usage(int ret)
{
- fprintf(stderr, "mkfs.btrfs, part of %s\n", PACKAGE_STRING);
- exit(0);
+ printf("Usage: mkfs.btrfs [options] dev [ dev ... ]\n");
+ printf("Options:\n");
+ printf(" allocation profiles:\n");
+ printf("\t-d|--data PROFILE data profile, raid0, raid1, raid5, raid6, raid10, dup or single\n");
+ printf("\t-m|--metadata PROFILE metadata profile, values like for data profile\n");
+ printf("\t-M|--mixed mix metadata and data together\n");
+ printf(" features:\n");
+ printf("\t-n|--nodesize SIZE size of btree nodes\n");
+ printf("\t-s|--sectorsize SIZE data block size (may not be mountable by current kernel)\n");
+ printf("\t-O|--features LIST comma separated list of filesystem features (use '-O list-all' to list features)\n");
+ printf("\t-L|--label LABEL set the filesystem label\n");
+ printf("\t-U|--uuid UUID specify the filesystem UUID (must be unique)\n");
+ printf(" creation:\n");
+ printf("\t-b|--byte-count SIZE set filesystem size to SIZE (on the first device)\n");
+ printf("\t-r|--rootdir DIR copy files from DIR to the image root directory\n");
+ printf("\t-K|--nodiscard do not perform whole device TRIM\n");
+ printf("\t-f|--force force overwrite of existing filesystem\n");
+ printf(" general:\n");
+ printf("\t-q|--quiet no messages except errors\n");
+ printf("\t-V|--version print the mkfs.btrfs version and exit\n");
+ printf("\t--help print this help and exit\n");
+ printf(" deprecated:\n");
+ printf("\t-A|--alloc-start START the offset to start the filesytem\n");
+ printf("\t-l|--leafsize SIZE deprecated, alias for nodesize\n");
+ exit(ret);
}
-static u64 parse_profile(char *s)
+static u64 parse_profile(const char *s)
{
- if (strcmp(s, "raid0") == 0) {
+ if (strcasecmp(s, "raid0") == 0) {
return BTRFS_BLOCK_GROUP_RAID0;
} else if (strcasecmp(s, "raid1") == 0) {
return BTRFS_BLOCK_GROUP_RAID1;
} else if (strcasecmp(s, "single") == 0) {
return 0;
} else {
- fprintf(stderr, "Unknown profile %s\n", s);
- print_usage();
+ error("unknown profile %s", s);
+ exit(1);
}
/* not reached */
return 0;
}
-static char *parse_label(char *input)
+static char *parse_label(const char *input)
{
int len = strlen(input);
if (len >= BTRFS_LABEL_SIZE) {
- fprintf(stderr, "Label %s is too long (max %d)\n", input,
+ error("label %s is too long (max %d)", input,
BTRFS_LABEL_SIZE - 1);
exit(1);
}
location.objectid = objectid;
location.offset = 0;
- btrfs_set_key_type(&location, BTRFS_INODE_ITEM_KEY);
+ location.type = BTRFS_INODE_ITEM_KEY;
if (S_ISDIR(st->st_mode))
filetype = BTRFS_FT_DIR;
static int directory_select(const struct direct *entry)
{
- if ((strncmp(entry->d_name, ".", entry->d_reclen) == 0) ||
- (strncmp(entry->d_name, "..", entry->d_reclen) == 0))
+ if (entry->d_name[0] == '.' &&
+ (entry->d_name[1] == 0 ||
+ (entry->d_name[1] == '.' && entry->d_name[2] == 0)))
return 0;
- else
- return 1;
+ return 1;
}
static void free_namelist(struct direct **files, int count)
free(files);
}
-static u64 calculate_dir_inode_size(char *dirname)
+static u64 calculate_dir_inode_size(const char *dirname)
{
int count, i;
struct direct **files, *cur_file;
static int add_inode_items(struct btrfs_trans_handle *trans,
struct btrfs_root *root,
- struct stat *st, char *name,
+ struct stat *st, const char *name,
u64 self_objectid, ino_t parent_inum,
int dir_index_cnt, struct btrfs_inode_item *inode_ret)
{
int ret;
- struct btrfs_key inode_key;
struct btrfs_inode_item btrfs_inode;
u64 objectid;
u64 inode_size = 0;
btrfs_set_stack_inode_size(&btrfs_inode, inode_size);
}
- inode_key.objectid = objectid;
- inode_key.offset = 0;
- btrfs_set_key_type(&inode_key, BTRFS_INODE_ITEM_KEY);
-
ret = btrfs_insert_inode(trans, root, objectid, &btrfs_inode);
*inode_ret = btrfs_inode;
if (ret < 0) {
if(errno == ENOTSUP)
return 0;
- fprintf(stderr, "get a list of xattr failed for %s\n",
- file_name);
+ error("getting a list of xattr failed for %s: %s", file_name,
+ strerror(errno));
return ret;
}
if (ret == 0)
if (ret < 0) {
if(errno == ENOTSUP)
return 0;
- fprintf(stderr, "get a xattr value failed for %s attr %s\n",
- file_name, cur_name);
+ error("gettig a xattr value failed for %s attr %s: %s",
+ file_name, cur_name, strerror(errno));
return ret;
}
cur_name_len, cur_value,
ret, objectid);
if (ret) {
- fprintf(stderr, "insert a xattr item failed for %s\n",
- file_name);
+ error("inserting a xattr item failed for %s: %s",
+ file_name, strerror(-ret));
}
cur_name = strtok(next_location, &delimiter);
u64 objectid, const char *path_name)
{
int ret;
- u64 sectorsize = root->sectorsize;
- char *buf = malloc(sectorsize);
+ char buf[PATH_MAX];
- ret = readlink(path_name, buf, sectorsize);
+ ret = readlink(path_name, buf, sizeof(buf));
if (ret <= 0) {
- fprintf(stderr, "readlink failed for %s\n", path_name);
+ error("readlink failed for %s: %s", path_name, strerror(errno));
goto fail;
}
- if (ret >= sectorsize) {
- fprintf(stderr, "symlink too long for %s", path_name);
+ if (ret >= sizeof(buf)) {
+ error("symlink too long for %s", path_name);
ret = -1;
goto fail;
}
ret = btrfs_insert_inline_extent(trans, root, objectid, 0,
buf, ret + 1);
fail:
- free(buf);
return ret;
}
fd = open(path_name, O_RDONLY);
if (fd == -1) {
- fprintf(stderr, "%s open failed\n", path_name);
+ error("cannot open %s: %s", path_name, strerror(errno));
return ret;
}
if (st->st_size <= BTRFS_MAX_INLINE_DATA_SIZE(root)) {
char *buffer = malloc(st->st_size);
+
+ if (!buffer) {
+ ret = -ENOMEM;
+ goto end;
+ }
+
ret_read = pread64(fd, buffer, st->st_size, bytes_read);
if (ret_read == -1) {
- fprintf(stderr, "%s read failed\n", path_name);
+ error("cannot read %s at offset %llu length %llu: %s",
+ path_name, (unsigned long long)bytes_read,
+ (unsigned long long)st->st_size,
+ strerror(errno));
free(buffer);
goto end;
}
* do our IO in extent buffers so it can work
* against any raid type
*/
- eb = malloc(sizeof(*eb) + sectorsize);
+ eb = calloc(1, sizeof(*eb) + sectorsize);
if (!eb) {
ret = -ENOMEM;
goto end;
}
- memset(eb, 0, sizeof(*eb) + sectorsize);
again:
ret_read = pread64(fd, eb->data, sectorsize, file_pos + bytes_read);
if (ret_read == -1) {
- fprintf(stderr, "%s read failed\n", path_name);
+ error("cannot read %s at offset %llu length %llu: %s",
+ path_name,
+ (unsigned long long)file_pos + bytes_read,
+ (unsigned long long)sectorsize,
+ strerror(errno));
goto end;
}
ret = write_and_map_eb(trans, root, eb);
if (ret) {
- fprintf(stderr, "output file write failed\n");
+ error("failed to write %s", path_name);
goto end;
}
return ret;
}
-static char *make_path(char *dir, char *name)
+static char *make_path(const char *dir, const char *name)
{
char *path;
}
static int traverse_directory(struct btrfs_trans_handle *trans,
- struct btrfs_root *root, char *dir_name,
+ struct btrfs_root *root, const char *dir_name,
struct directory_name_entry *dir_head, int out_fd)
{
int ret = 0;
struct direct *cur_file;
ino_t parent_inum, cur_inum;
ino_t highest_inum = 0;
- char *parent_dir_name;
+ const char *parent_dir_name;
char real_path[PATH_MAX];
struct btrfs_path path;
struct extent_buffer *leaf;
/* Add list for source directory */
dir_entry = malloc(sizeof(struct directory_name_entry));
+ if (!dir_entry)
+ return -ENOMEM;
dir_entry->dir_name = dir_name;
dir_entry->path = realpath(dir_name, real_path);
if (!dir_entry->path) {
- fprintf(stderr, "get directory real path error\n");
+ error("realpath failed for %s: %s", dir_name, strerror(errno));
ret = -1;
goto fail_no_dir;
}
root_dir_key.objectid = btrfs_root_dirid(&root->root_item);
root_dir_key.offset = 0;
- btrfs_set_key_type(&root_dir_key, BTRFS_INODE_ITEM_KEY);
+ root_dir_key.type = BTRFS_INODE_ITEM_KEY;
ret = btrfs_lookup_inode(trans, root, &path, &root_dir_key, 1);
if (ret) {
- fprintf(stderr, "root dir lookup error\n");
+ error("failed to lookup root dir: %d", ret);
goto fail_no_dir;
}
parent_inum = parent_dir_entry->inum;
parent_dir_name = parent_dir_entry->dir_name;
if (chdir(parent_dir_entry->path)) {
- fprintf(stderr, "chdir error for %s\n",
- parent_dir_name);
+ error("chdir failed for %s: %s",
+ parent_dir_name, strerror(errno));
ret = -1;
goto fail_no_files;
}
directory_select, NULL);
if (count == -1)
{
- fprintf(stderr, "scandir for %s failed: %s\n",
+ error("scandir failed for %s: %s",
parent_dir_name, strerror (errno));
ret = -1;
goto fail;
cur_file = files[i];
if (lstat(cur_file->d_name, &st) == -1) {
- fprintf(stderr, "lstat failed for file %s\n",
- cur_file->d_name);
+ error("lstat failed for %s: %s",
+ cur_file->d_name, strerror(errno));
ret = -1;
goto fail;
}
cur_file->d_name,
&st, &dir_index_cnt);
if (ret) {
- fprintf(stderr, "add_directory_items failed\n");
+ error("unable to add directory items for %s: %d",
+ cur_file->d_name, ret);
goto fail;
}
parent_inum, dir_index_cnt,
&cur_inode);
if (ret == -EEXIST) {
- BUG_ON(st.st_nlink <= 1);
+ if (st.st_nlink <= 1) {
+ error(
+ "item %s already exists but has wrong st_nlink %lu <= 1",
+ cur_file->d_name,
+ (unsigned long)st.st_nlink);
+ goto fail;
+ }
continue;
}
if (ret) {
- fprintf(stderr, "add_inode_items failed\n");
+ error("unable to add inode items for %s: %d",
+ cur_file->d_name, ret);
goto fail;
}
ret = add_xattr_item(trans, root,
cur_inum, cur_file->d_name);
if (ret) {
- fprintf(stderr, "add_xattr_item failed\n");
+ error("unable to add xattr items for %s: %d",
+ cur_file->d_name, ret);
if(ret != -ENOTSUP)
goto fail;
}
if (S_ISDIR(st.st_mode)) {
dir_entry = malloc(sizeof(struct directory_name_entry));
+ if (!dir_entry) {
+ ret = -ENOMEM;
+ goto fail;
+ }
dir_entry->dir_name = cur_file->d_name;
dir_entry->path = make_path(parent_dir_entry->path,
cur_file->d_name);
cur_inum, parent_inum, &st,
cur_file->d_name, out_fd);
if (ret) {
- fprintf(stderr, "add_file_items failed\n");
+ error("unable to add file items for %s: %d",
+ cur_file->d_name, ret);
goto fail;
}
} else if (S_ISLNK(st.st_mode)) {
ret = add_symbolic_link(trans, root,
cur_inum, cur_file->d_name);
if (ret) {
- fprintf(stderr, "add_symbolic_link failed\n");
+ error("unable to add symlink for %s: %d",
+ cur_file->d_name, ret);
goto fail;
}
}
goto out;
}
-static int open_target(char *output_name)
-{
- int output_fd;
- output_fd = open(output_name, O_CREAT | O_RDWR | O_TRUNC,
- S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH);
-
- return output_fd;
-}
-
static int create_chunks(struct btrfs_trans_handle *trans,
struct btrfs_root *root, u64 num_of_meta_chunks,
- u64 size_of_data)
+ u64 size_of_data,
+ struct mkfs_allocation *allocation)
{
u64 chunk_start;
u64 chunk_size;
for (i = 0; i < num_of_meta_chunks; i++) {
ret = btrfs_alloc_chunk(trans, root->fs_info->extent_root,
&chunk_start, &chunk_size, meta_type);
- BUG_ON(ret);
+ if (ret)
+ return ret;
ret = btrfs_make_block_group(trans, root->fs_info->extent_root, 0,
meta_type, BTRFS_FIRST_CHUNK_TREE_OBJECTID,
chunk_start, chunk_size);
- BUG_ON(ret);
+ allocation->metadata += chunk_size;
+ if (ret)
+ return ret;
set_extent_dirty(&root->fs_info->free_space_cache,
chunk_start, chunk_start + chunk_size - 1, 0);
}
size_of_data = minimum_data_chunk_size;
ret = btrfs_alloc_data_chunk(trans, root->fs_info->extent_root,
- &chunk_start, size_of_data, data_type);
- BUG_ON(ret);
+ &chunk_start, size_of_data, data_type, 0);
+ if (ret)
+ return ret;
ret = btrfs_make_block_group(trans, root->fs_info->extent_root, 0,
data_type, BTRFS_FIRST_CHUNK_TREE_OBJECTID,
chunk_start, size_of_data);
- BUG_ON(ret);
+ allocation->data += size_of_data;
+ if (ret)
+ return ret;
set_extent_dirty(&root->fs_info->free_space_cache,
chunk_start, chunk_start + size_of_data - 1, 0);
return ret;
}
-static int make_image(char *source_dir, struct btrfs_root *root, int out_fd)
+static int make_image(const char *source_dir, struct btrfs_root *root,
+ int out_fd)
{
int ret;
struct btrfs_trans_handle *trans;
-
struct stat root_st;
-
struct directory_name_entry dir_head;
-
struct directory_name_entry *dir_entry = NULL;
ret = lstat(source_dir, &root_st);
if (ret) {
- fprintf(stderr, "unable to lstat the %s\n", source_dir);
+ error("unable to lstat %s: %s", source_dir, strerror(errno));
+ ret = -errno;
goto out;
}
trans = btrfs_start_transaction(root, 1);
ret = traverse_directory(trans, root, source_dir, &dir_head, out_fd);
if (ret) {
- fprintf(stderr, "unable to traverse_directory\n");
+ error("unable to traverse directory %s: %d", source_dir, ret);
goto fail;
}
- btrfs_commit_transaction(trans, root);
+ ret = btrfs_commit_transaction(trans, root);
+ if (ret) {
+ error("transaction commit failed: %d", ret);
+ goto out;
+ }
if (verbose)
printf("Making image is completed.\n");
free(dir_entry);
}
out:
- fprintf(stderr, "Making image is aborted.\n");
- return -1;
+ return ret;
}
/*
* This ignores symlinks with unreadable targets and subdirs that can't
* be read. It's a best-effort to give a rough estimate of the size of
* a subdir. It doesn't guarantee that prepopulating btrfs from this
- * tree won't still run out of space.
- *
- * The rounding up to 4096 is questionable. Previous code used du -B 4096.
+ * tree won't still run out of space.
*/
static u64 global_total_size;
+static u64 fs_block_size;
static int ftw_add_entry_size(const char *fpath, const struct stat *st,
int type)
{
if (type == FTW_F || type == FTW_D)
- global_total_size += round_up(st->st_size, 4096);
+ global_total_size += round_up(st->st_size, fs_block_size);
return 0;
}
-static u64 size_sourcedir(char *dir_name, u64 sectorsize,
+static u64 size_sourcedir(const char *dir_name, u64 sectorsize,
u64 *num_of_meta_chunks_ret, u64 *size_of_data_ret)
{
u64 dir_size = 0;
allocated_meta_size / default_chunk_size;
global_total_size = 0;
+ fs_block_size = sectorsize;
ret = ftw(dir_name, ftw_add_entry_size, 10);
dir_size = global_total_size;
if (ret < 0) {
- fprintf(stderr, "ftw subdir walk of '%s' failed: %s\n",
- dir_name, strerror(errno));
+ error("ftw subdir walk of %s failed: %s", dir_name,
+ strerror(errno));
exit(1);
}
return total_size;
}
-static int zero_output_file(int out_fd, u64 size, u32 sectorsize)
+static int zero_output_file(int out_fd, u64 size)
{
- int len = sectorsize;
- int loop_num = size / sectorsize;
+ int loop_num;
u64 location = 0;
- char *buf = malloc(len);
+ char buf[4096];
int ret = 0, i;
ssize_t written;
- if (!buf)
- return -ENOMEM;
- memset(buf, 0, len);
+ memset(buf, 0, 4096);
+ loop_num = size / 4096;
for (i = 0; i < loop_num; i++) {
- written = pwrite64(out_fd, buf, len, location);
- if (written != len)
+ written = pwrite64(out_fd, buf, 4096, location);
+ if (written != 4096)
ret = -EIO;
- location += sectorsize;
+ location += 4096;
}
- free(buf);
return ret;
}
static int is_ssd(const char *file)
{
blkid_probe probe;
- char wholedisk[32];
+ char wholedisk[PATH_MAX];
char sysfs_path[PATH_MAX];
dev_t devno;
int fd;
return 0;
}
- if (read(fd, &rotational, sizeof(char)) < sizeof(char)) {
+ if (read(fd, &rotational, 1) < 1) {
close(fd);
return 0;
}
close(fd);
- return !atoi((const char *)&rotational);
+ return rotational == '0';
+}
+
+static int _cmp_device_by_id(void *priv, struct list_head *a,
+ struct list_head *b)
+{
+ return list_entry(a, struct btrfs_device, dev_list)->devid -
+ list_entry(b, struct btrfs_device, dev_list)->devid;
+}
+
+static void list_all_devices(struct btrfs_root *root)
+{
+ struct btrfs_fs_devices *fs_devices;
+ struct btrfs_device *device;
+ int number_of_devices = 0;
+ u64 total_block_count = 0;
+
+ fs_devices = root->fs_info->fs_devices;
+
+ list_for_each_entry(device, &fs_devices->devices, dev_list)
+ number_of_devices++;
+
+ list_sort(NULL, &fs_devices->devices, _cmp_device_by_id);
+
+ 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(device, &fs_devices->devices, dev_list) {
+ printf(" %3llu %10s %s\n",
+ device->devid,
+ pretty_size(device->total_bytes),
+ device->name);
+ total_block_count += device->total_bytes;
+ }
+
+ printf("\n");
+}
+
+static int is_temp_block_group(struct extent_buffer *node,
+ struct btrfs_block_group_item *bgi,
+ u64 data_profile, u64 meta_profile,
+ u64 sys_profile)
+{
+ u64 flag = btrfs_disk_block_group_flags(node, bgi);
+ u64 flag_type = flag & BTRFS_BLOCK_GROUP_TYPE_MASK;
+ u64 flag_profile = flag & BTRFS_BLOCK_GROUP_PROFILE_MASK;
+ u64 used = btrfs_disk_block_group_used(node, bgi);
+
+ /*
+ * Chunks meets all the following conditions is a temp chunk
+ * 1) Empty chunk
+ * Temp chunk is always empty.
+ *
+ * 2) profile mismatch with mkfs profile.
+ * Temp chunk is always in SINGLE
+ *
+ * 3) Size differs with mkfs_alloc
+ * Special case for SINGLE/SINGLE btrfs.
+ * In that case, temp data chunk and real data chunk are always empty.
+ * So we need to use mkfs_alloc to be sure which chunk is the newly
+ * allocated.
+ *
+ * Normally, new chunk size is equal to mkfs one (One chunk)
+ * If it has multiple chunks, we just refuse to delete any one.
+ * As they are all single, so no real problem will happen.
+ * So only use condition 1) and 2) to judge them.
+ */
+ if (used != 0)
+ return 0;
+ switch (flag_type) {
+ case BTRFS_BLOCK_GROUP_DATA:
+ case BTRFS_BLOCK_GROUP_DATA | BTRFS_BLOCK_GROUP_METADATA:
+ data_profile &= BTRFS_BLOCK_GROUP_PROFILE_MASK;
+ if (flag_profile != data_profile)
+ return 1;
+ break;
+ case BTRFS_BLOCK_GROUP_METADATA:
+ meta_profile &= BTRFS_BLOCK_GROUP_PROFILE_MASK;
+ if (flag_profile != meta_profile)
+ return 1;
+ break;
+ case BTRFS_BLOCK_GROUP_SYSTEM:
+ sys_profile &= BTRFS_BLOCK_GROUP_PROFILE_MASK;
+ if (flag_profile != sys_profile)
+ return 1;
+ break;
+ }
+ return 0;
+}
+
+/* Note: if current is a block group, it will skip it anyway */
+static int next_block_group(struct btrfs_root *root,
+ struct btrfs_path *path)
+{
+ struct btrfs_key key;
+ int ret = 0;
+
+ while (1) {
+ ret = btrfs_next_item(root, path);
+ if (ret)
+ goto out;
+
+ btrfs_item_key_to_cpu(path->nodes[0], &key, path->slots[0]);
+ if (key.type == BTRFS_BLOCK_GROUP_ITEM_KEY)
+ goto out;
+ }
+out:
+ return ret;
}
-int main(int ac, char **av)
+/* This function will cleanup */
+static int cleanup_temp_chunks(struct btrfs_fs_info *fs_info,
+ struct mkfs_allocation *alloc,
+ u64 data_profile, u64 meta_profile,
+ u64 sys_profile)
+{
+ struct btrfs_trans_handle *trans = NULL;
+ struct btrfs_block_group_item *bgi;
+ struct btrfs_root *root = fs_info->extent_root;
+ struct btrfs_key key;
+ struct btrfs_key found_key;
+ struct btrfs_path path;
+ int ret = 0;
+
+ btrfs_init_path(&path);
+ trans = btrfs_start_transaction(root, 1);
+
+ key.objectid = 0;
+ key.type = BTRFS_BLOCK_GROUP_ITEM_KEY;
+ key.offset = 0;
+
+ while (1) {
+ /*
+ * as the rest of the loop may modify the tree, we need to
+ * start a new search each time.
+ */
+ ret = btrfs_search_slot(trans, root, &key, &path, 0, 0);
+ if (ret < 0)
+ goto out;
+
+ btrfs_item_key_to_cpu(path.nodes[0], &found_key,
+ path.slots[0]);
+ if (found_key.objectid < key.objectid)
+ goto out;
+ if (found_key.type != BTRFS_BLOCK_GROUP_ITEM_KEY) {
+ ret = next_block_group(root, &path);
+ if (ret < 0)
+ goto out;
+ if (ret > 0) {
+ ret = 0;
+ goto out;
+ }
+ btrfs_item_key_to_cpu(path.nodes[0], &found_key,
+ path.slots[0]);
+ }
+
+ bgi = btrfs_item_ptr(path.nodes[0], path.slots[0],
+ struct btrfs_block_group_item);
+ if (is_temp_block_group(path.nodes[0], bgi,
+ data_profile, meta_profile,
+ sys_profile)) {
+ u64 flags = btrfs_disk_block_group_flags(path.nodes[0],
+ bgi);
+
+ ret = btrfs_free_block_group(trans, fs_info,
+ found_key.objectid, found_key.offset);
+ if (ret < 0)
+ goto out;
+
+ if ((flags & BTRFS_BLOCK_GROUP_TYPE_MASK) ==
+ BTRFS_BLOCK_GROUP_DATA)
+ alloc->data -= found_key.offset;
+ else if ((flags & BTRFS_BLOCK_GROUP_TYPE_MASK) ==
+ BTRFS_BLOCK_GROUP_METADATA)
+ alloc->metadata -= found_key.offset;
+ else if ((flags & BTRFS_BLOCK_GROUP_TYPE_MASK) ==
+ BTRFS_BLOCK_GROUP_SYSTEM)
+ alloc->system -= found_key.offset;
+ else if ((flags & BTRFS_BLOCK_GROUP_TYPE_MASK) ==
+ (BTRFS_BLOCK_GROUP_METADATA |
+ BTRFS_BLOCK_GROUP_DATA))
+ alloc->mixed -= found_key.offset;
+ }
+ btrfs_release_path(&path);
+ key.objectid = found_key.objectid + found_key.offset;
+ }
+out:
+ if (trans)
+ btrfs_commit_transaction(trans, root);
+ btrfs_release_path(&path);
+ return ret;
+}
+
+int main(int argc, char **argv)
{
char *file;
struct btrfs_root *root;
+ struct btrfs_fs_info *fs_info;
struct btrfs_trans_handle *trans;
char *label = NULL;
- char *first_file;
u64 block_count = 0;
u64 dev_block_count = 0;
u64 blocks[7];
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 = NULL;
+ 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}
};
- c = getopt_long(ac, av, "A:b:fl:n:s:m:d:L:O:r:U:VMKq",
+ c = getopt_long(argc, argv, "A:b:fl:n:s:m:d:L:O:r:U:VMKq",
long_options, NULL);
if (c < 0)
break;
data_profile_opt = 1;
break;
case 'l':
- fprintf(stderr,
- "WARNING: --leafsize is deprecated, use --nodesize\n");
+ warning("--leafsize is deprecated, use --nodesize");
case 'n':
nodesize = parse_size(optarg);
nodesize_forced = 1;
tmp = btrfs_parse_fs_features(tmp, &features);
if (tmp) {
- fprintf(stderr,
- "Unrecognized filesystem feature '%s'\n",
+ error("unrecognized filesystem feature '%s'",
tmp);
free(orig);
exit(1);
break;
case 'b':
block_count = parse_size(optarg);
- if (block_count <= BTRFS_MKFS_SMALL_VOLUME_SIZE)
- mixed = 1;
zero_end = 0;
break;
case 'V':
- print_version();
+ printf("mkfs.btrfs, part of %s\n",
+ PACKAGE_STRING);
+ exit(0);
break;
case 'r':
source_dir = optarg;
source_dir_set = 1;
break;
case 'U':
- fs_uuid = optarg;
+ strncpy(fs_uuid, optarg,
+ BTRFS_UUID_UNPARSED_SIZE - 1);
break;
case 'K':
discard = 0;
case 'q':
verbose = 0;
break;
+ case GETOPT_VAL_HELP:
default:
- print_usage();
+ print_usage(c != GETOPT_VAL_HELP);
}
}
+
+ if (verbose) {
+ printf("%s\n", PACKAGE_STRING);
+ printf("See %s for more information.\n\n", PACKAGE_URL);
+ }
+
sectorsize = max(sectorsize, (u32)sysconf(_SC_PAGESIZE));
- if (btrfs_check_nodesize(nodesize, sectorsize))
- exit(1);
+ stripesize = sectorsize;
saved_optind = optind;
- dev_cnt = ac - optind;
+ dev_cnt = argc - optind;
if (dev_cnt == 0)
- print_usage();
+ print_usage(1);
if (source_dir_set && dev_cnt > 1) {
- fprintf(stderr,
- "The -r option is limited to a single device\n");
+ error("the option -r is limited to a single device");
exit(1);
}
- if (fs_uuid) {
+ if (*fs_uuid) {
uuid_t dummy_uuid;
if (uuid_parse(fs_uuid, dummy_uuid) != 0) {
- fprintf(stderr, "could not parse UUID: %s\n", fs_uuid);
+ error("could not parse UUID: %s", fs_uuid);
exit(1);
}
if (!test_uuid_unique(fs_uuid)) {
- fprintf(stderr, "non-unique UUID: %s\n", fs_uuid);
+ error("non-unique UUID: %s", fs_uuid);
exit(1);
}
}
-
+
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);
+ file = argv[optind++];
+ if (is_block_device(file) == 1)
+ if (test_dev_for_mkfs(file, force_overwrite))
exit(1);
- }
}
optind = saved_optind;
- dev_cnt = ac - optind;
+ dev_cnt = argc - optind;
- file = av[optind++];
+ file = argv[optind++];
ssd = is_ssd(file);
- if (is_vol_small(file) || mixed) {
- if (verbose)
- printf("SMALL VOLUME: forcing mixed metadata/data groups\n");
- mixed = 1;
- }
-
/*
* Set default profiles according to number of added devices.
* For mixed groups defaults are single/single.
if (metadata_profile_opt || data_profile_opt) {
if (metadata_profile != data_profile) {
- fprintf(stderr,
- "ERROR: With mixed block groups data and metadata profiles must be the same\n");
+ error(
+ "with mixed block groups data and metadata profiles must be the same");
exit(1);
}
}
- if (!nodesize_forced) {
+ if (!nodesize_forced)
nodesize = best_nodesize;
- if (btrfs_check_nodesize(nodesize, sectorsize))
- exit(1);
- }
- if (nodesize != sectorsize) {
- fprintf(stderr, "Error: mixed metadata/data block groups "
- "require metadata blocksizes equal to the sectorsize\n");
- exit(1);
- }
+ }
+
+ /*
+ * FS features that can be set by other means than -O
+ * just set the bit here
+ */
+ if (mixed)
+ features |= BTRFS_FEATURE_INCOMPAT_MIXED_GROUPS;
+
+ if ((data_profile | metadata_profile) &
+ (BTRFS_BLOCK_GROUP_RAID5 | BTRFS_BLOCK_GROUP_RAID6)) {
+ features |= BTRFS_FEATURE_INCOMPAT_RAID56;
+ }
+
+ if (btrfs_check_nodesize(nodesize, sectorsize,
+ features))
+ exit(1);
+
+ if (sectorsize < sizeof(struct btrfs_super_block)) {
+ error("sectorsize smaller than superblock: %u < %zu",
+ sectorsize, sizeof(struct btrfs_super_block));
+ exit(1);
}
/* Check device/block_count after the nodesize is determined */
if (block_count && block_count < btrfs_min_dev_size(nodesize)) {
- fprintf(stderr,
- "Size '%llu' is too small to make a usable filesystem\n",
+ error("size %llu is too small to make a usable filesystem",
block_count);
- fprintf(stderr,
- "Minimum size for btrfs filesystem is %llu\n",
+ error("minimum size for btrfs filesystem is %llu",
btrfs_min_dev_size(nodesize));
exit(1);
}
for (i = saved_optind; i < saved_optind + dev_cnt; i++) {
char *path;
- path = av[i];
+ path = argv[i];
ret = test_minimum_size(path, nodesize);
if (ret < 0) {
- fprintf(stderr, "Failed to check size for '%s': %s\n",
+ error("failed to check size for %s: %s",
path, strerror(-ret));
exit (1);
}
if (ret > 0) {
- fprintf(stderr,
- "'%s' is too small to make a usable filesystem\n",
+ error("'%s' is too small to make a usable filesystem",
path);
- fprintf(stderr,
- "Minimum size for each btrfs device is %llu.\n",
+ error("minimum size for each btrfs device is %llu",
btrfs_min_dev_size(nodesize));
exit(1);
}
}
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, ssd);
+ if (ret)
exit(1);
- }
-
- /* if we are here that means all devs are good to btrfsify */
- if (verbose) {
- printf("%s\n", PACKAGE_STRING);
- printf("See %s for more information.\n\n", PACKAGE_URL);
- }
dev_cnt--;
*/
fd = open(file, O_RDWR);
if (fd < 0) {
- fprintf(stderr, "unable to open %s: %s\n", file,
- strerror(errno));
+ error("unable to open %s: %s", file, strerror(errno));
exit(1);
}
- first_file = file;
- ret = btrfs_prepare_device(fd, file, zero_end, &dev_block_count,
- block_count, &mixed, discard);
+ ret = btrfs_prepare_device(fd, file, &dev_block_count,
+ block_count,
+ (zero_end ? PREP_DEVICE_ZERO_END : 0) |
+ (discard ? PREP_DEVICE_DISCARD : 0) |
+ (verbose ? PREP_DEVICE_VERBOSE : 0));
if (ret) {
close(fd);
exit(1);
}
if (block_count && block_count > dev_block_count) {
- fprintf(stderr, "%s is smaller than requested size\n", file);
+ error("%s is smaller than requested size, expected %llu, found %llu",
+ file,
+ (unsigned long long)block_count,
+ (unsigned long long)dev_block_count);
exit(1);
}
} else {
- fd = open_target(file);
+ fd = open(file, O_CREAT | O_RDWR,
+ S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH);
if (fd < 0) {
- fprintf(stderr, "unable to open the %s\n", file);
+ error("unable to open %s: %s", file, strerror(errno));
exit(1);
}
- first_file = file;
source_dir_size = size_sourcedir(source_dir, sectorsize,
&num_of_meta_chunks, &size_of_data);
if(block_count < source_dir_size)
block_count = source_dir_size;
- ret = zero_output_file(fd, block_count, sectorsize);
+ ret = zero_output_file(fd, block_count);
if (ret) {
- fprintf(stderr, "unable to zero the output file\n");
+ error("unable to zero the output file");
exit(1);
}
/* our "device" is the new image file */
/* To create the first block group and chunk 0 in make_btrfs */
if (dev_block_count < BTRFS_MKFS_SYSTEM_GROUP_SIZE) {
- fprintf(stderr, "device is too small to make filesystem\n");
+ error("device is too small to make filesystem, must be at least %llu",
+ (unsigned long long)BTRFS_MKFS_SYSTEM_GROUP_SIZE);
exit(1);
}
if (group_profile_max_safe_loss(metadata_profile) <
group_profile_max_safe_loss(data_profile)){
- fprintf(stderr,
- "WARNING: metatdata has lower redundancy than data!\n\n");
+ warning("metadata has lower redundancy than data!\n");
}
- /*
- * FS features that can be set by other means than -O
- * just set the bit here
- */
- if (mixed)
- features |= BTRFS_FEATURE_INCOMPAT_MIXED_GROUPS;
+ mkfs_cfg.label = label;
+ memcpy(mkfs_cfg.fs_uuid, fs_uuid, sizeof(mkfs_cfg.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;
- if ((data_profile | metadata_profile) &
- (BTRFS_BLOCK_GROUP_RAID5 | BTRFS_BLOCK_GROUP_RAID6)) {
- features |= BTRFS_FEATURE_INCOMPAT_RAID56;
+ ret = make_btrfs(fd, &mkfs_cfg, NULL);
+ if (ret) {
+ error("error during mkfs: %s", strerror(-ret));
+ exit(1);
}
- if (verbose)
- btrfs_process_fs_features(features);
+ fs_info = open_ctree_fs_info(file, 0, 0, 0,
+ OPEN_CTREE_WRITES | OPEN_CTREE_FS_PARTIAL);
+ if (!fs_info) {
+ error("open ctree failed");
+ close(fd);
+ exit(1);
+ }
+ root = fs_info->fs_root;
+ fs_info->alloc_start = alloc_start;
- ret = make_btrfs(fd, file, label, fs_uuid, blocks, dev_block_count,
- nodesize, sectorsize, stripesize, features);
+ ret = create_metadata_block_groups(root, mixed, &allocation);
if (ret) {
- fprintf(stderr, "error during mkfs: %s\n", strerror(-ret));
+ error("failed to create default block groups: %d", ret);
exit(1);
}
- root = open_ctree(file, 0, OPEN_CTREE_WRITES);
- if (!root) {
- fprintf(stderr, "Open ctree failed\n");
- close(fd);
+ trans = btrfs_start_transaction(root, 1);
+ if (!trans) {
+ error("failed to start transaction");
exit(1);
}
- root->fs_info->alloc_start = alloc_start;
- ret = make_root_dir(root, mixed);
+ ret = create_data_block_groups(trans, root, mixed, &allocation);
if (ret) {
- fprintf(stderr, "failed to setup the root directory\n");
+ error("failed to create default data block groups: %d", ret);
exit(1);
}
- trans = btrfs_start_transaction(root, 1);
+ ret = make_root_dir(trans, root, &allocation);
+ if (ret) {
+ error("failed to setup the root directory: %d", ret);
+ exit(1);
+ }
- if (is_block_device(file))
- btrfs_register_one_device(file);
+ ret = btrfs_commit_transaction(trans, root);
+ if (ret) {
+ error("unable to commit transaction: %d", ret);
+ goto out;
+ }
+
+ trans = btrfs_start_transaction(root, 1);
+ if (!trans) {
+ error("failed to start transaction");
+ exit(1);
+ }
if (dev_cnt == 0)
goto raid_groups;
while (dev_cnt-- > 0) {
- int old_mixed = mixed;
-
- file = av[optind++];
+ file = argv[optind++];
/*
* open without O_EXCL so that the problem should not
*/
fd = open(file, O_RDWR);
if (fd < 0) {
- fprintf(stderr, "unable to open %s: %s\n", file,
- strerror(errno));
+ error("unable to open %s: %s", file, strerror(errno));
exit(1);
}
ret = btrfs_device_already_in_root(root, fd,
BTRFS_SUPER_INFO_OFFSET);
if (ret) {
- fprintf(stderr, "skipping duplicate device %s in FS\n",
+ error("skipping duplicate device %s in the filesystem",
file);
close(fd);
continue;
}
- ret = btrfs_prepare_device(fd, file, zero_end, &dev_block_count,
- block_count, &mixed, discard);
+ ret = btrfs_prepare_device(fd, file, &dev_block_count,
+ block_count,
+ (verbose ? PREP_DEVICE_VERBOSE : 0) |
+ (zero_end ? PREP_DEVICE_ZERO_END : 0) |
+ (discard ? PREP_DEVICE_DISCARD : 0));
if (ret) {
close(fd);
exit(1);
}
- mixed = old_mixed;
ret = btrfs_add_to_fsid(trans, root, fd, file, dev_block_count,
sectorsize, sectorsize, sectorsize);
- BUG_ON(ret);
+ if (ret) {
+ error("unable to add %s to filesystem: %d", file, ret);
+ goto out;
+ }
if (verbose >= 2) {
struct btrfs_device *device;
- device = container_of(root->fs_info->fs_devices->devices.next,
+ device = container_of(fs_info->fs_devices->devices.next,
struct btrfs_device, dev_list);
printf("adding device %s id %llu\n", file,
(unsigned long long)device->devid);
}
-
- if (is_block_device(file))
- 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);
- BUG_ON(ret);
+ metadata_profile, mixed, &allocation);
+ if (ret) {
+ error("unable to create raid groups: %d", ret);
+ goto out;
+ }
}
ret = create_data_reloc_tree(trans, root);
- BUG_ON(ret);
-
- if (verbose) {
- printf(
- "fs created label %s on %s\n\tnodesize %u leafsize %u sectorsize %u size %s\n",
- label, first_file, nodesize, nodesize, sectorsize,
- pretty_size(btrfs_super_total_bytes(root->fs_info->super_copy)));
+ if (ret) {
+ error("unable to create data reloc tree: %d", ret);
+ goto out;
}
- btrfs_commit_transaction(trans, root);
+ ret = btrfs_commit_transaction(trans, root);
+ if (ret) {
+ error("unable to commit transaction: %d", ret);
+ goto out;
+ }
if (source_dir_set) {
trans = btrfs_start_transaction(root, 1);
ret = create_chunks(trans, root,
- num_of_meta_chunks, size_of_data);
- BUG_ON(ret);
- btrfs_commit_transaction(trans, root);
+ num_of_meta_chunks, size_of_data,
+ &allocation);
+ if (ret) {
+ error("unable to create chunks: %d", ret);
+ goto out;
+ }
+ ret = btrfs_commit_transaction(trans, root);
+ if (ret) {
+ error("transaction commit failed: %d", ret);
+ goto out;
+ }
ret = make_image(source_dir, root, fd);
- BUG_ON(ret);
+ if (ret) {
+ error("error wihle filling filesystem: %d", ret);
+ goto out;
+ }
+ }
+ ret = cleanup_temp_chunks(fs_info, &allocation, data_profile,
+ metadata_profile, metadata_profile);
+ if (ret < 0) {
+ error("failed to cleanup temporary chunks: %d", ret);
+ goto out;
}
+ if (verbose) {
+ char features_buf[64];
+
+ printf("Label: %s\n", label);
+ printf("UUID: %s\n", mkfs_cfg.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(fs_info->super_copy)));
+ printf("Block group profiles:\n");
+ if (allocation.data)
+ printf(" Data: %-8s %16s\n",
+ btrfs_group_profile_str(data_profile),
+ pretty_size(allocation.data));
+ if (allocation.metadata)
+ printf(" Metadata: %-8s %16s\n",
+ btrfs_group_profile_str(metadata_profile),
+ pretty_size(allocation.metadata));
+ if (allocation.mixed)
+ printf(" Data+Metadata: %-8s %16s\n",
+ btrfs_group_profile_str(data_profile),
+ pretty_size(allocation.mixed));
+ printf(" System: %-8s %16s\n",
+ btrfs_group_profile_str(metadata_profile),
+ pretty_size(allocation.system));
+ printf("SSD detected: %s\n", ssd ? "yes" : "no");
+ btrfs_parse_features_to_string(features_buf, features);
+ printf("Incompat features: %s", features_buf);
+ printf("\n");
+
+ list_all_devices(root);
+ }
+
+ /*
+ * The filesystem is now fully set up, commit the remaining changes and
+ * fix the signature as the last step before closing the devices.
+ */
+ fs_info->finalize_on_close = 1;
+out:
ret = close_ctree(root);
- BUG_ON(ret);
+
+ if (!ret) {
+ optind = saved_optind;
+ dev_cnt = argc - optind;
+ while (dev_cnt-- > 0) {
+ file = argv[optind++];
+ if (is_block_device(file) == 1)
+ btrfs_register_one_device(file);
+ }
+ }
+
+ btrfs_close_all_devices();
free(label);
- return 0;
+
+ return !!ret;
}
projects / platform / upstream / btrfs-progs.git / blobdiff