New upstream release Closes: #849353, #817806, #854915, #845473

1 files changed, 0 insertions, 1953 deletions

diff --git a/mkfs.c b/mkfs.c
deleted file mode 100644
index 4b88987c..00000000
--- a/mkfs.c
+++ /dev/null
@@ -1,1953 +0,0 @@
-/*
- * Copyright (C) 2007 Oracle.  All rights reserved.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public
- * License v2 as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * General Public License for more details.
- *
- * You should have received a copy of the GNU General Public
- * License along with this program; if not, write to the
- * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- * Boston, MA 021110-1307, USA.
- */
-
-#include "kerncompat.h"
-#include "androidcompat.h"
-
-#include <sys/ioctl.h>
-#include <sys/mount.h>
-#include "ioctl.h"
-#include <stdio.h>
-#include <stdlib.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-/* #include <sys/dir.h> included via androidcompat.h */
-#include <fcntl.h>
-#include <unistd.h>
-#include <getopt.h>
-#include <uuid/uuid.h>
-#include <ctype.h>
-#include <sys/xattr.h>
-#include <limits.h>
-#include <linux/limits.h>
-#include <blkid/blkid.h>
-#include <ftw.h>
-#include "ctree.h"
-#include "disk-io.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;
-	ino_t inum;
-	struct list_head list;
-};
-
-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;
-	u64 bytes_used;
-	u64 chunk_start = 0;
-	u64 chunk_size = 0;
-	int ret;
-
-	trans = btrfs_start_transaction(root, 1);
-	bytes_used = btrfs_super_bytes_used(root->fs_info->super_copy);
-
-	root->fs_info->system_allocs = 1;
-	ret = btrfs_make_block_group(trans, root, bytes_used,
-				     BTRFS_BLOCK_GROUP_SYSTEM,
-				     BTRFS_FIRST_CHUNK_TREE_OBJECTID,
-				     0, BTRFS_MKFS_SYSTEM_GROUP_SIZE);
-	allocation->system += BTRFS_MKFS_SYSTEM_GROUP_SIZE;
-	if (ret)
-		return ret;
-
-	if (mixed) {
-		ret = btrfs_alloc_chunk(trans, root->fs_info->extent_root,
-					&chunk_start, &chunk_size,
-					BTRFS_BLOCK_GROUP_METADATA |
-					BTRFS_BLOCK_GROUP_DATA);
-		if (ret == -ENOSPC) {
-			error("no space to allocate data/metadata chunk");
-			goto err;
-		}
-		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);
-		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) {
-			error("no space to allocate metadata chunk");
-			goto err;
-		}
-		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);
-		allocation->metadata += chunk_size;
-		if (ret)
-			return ret;
-	}
-
-	root->fs_info->system_allocs = 0;
-	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) {
-			error("no space to allocate data chunk");
-			goto err;
-		}
-		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);
-		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)
-		goto err;
-	ret = btrfs_make_root_dir(trans, root, BTRFS_FIRST_FREE_OBJECTID);
-	if (ret)
-		goto err;
-	memcpy(&location, &root->fs_info->fs_root->root_key, sizeof(location));
-	location.offset = (u64)-1;
-	ret = btrfs_insert_dir_item(trans, root->fs_info->tree_root,
-			"default", 7,
-			btrfs_super_root_dir(root->fs_info->super_copy),
-			&location, BTRFS_FT_DIR, 0);
-	if (ret)
-		goto err;
-
-	ret = btrfs_insert_inode_ref(trans, root->fs_info->tree_root,
-			     "default", 7, location.objectid,
-			     BTRFS_ROOT_TREE_DIR_OBJECTID, 0);
-	if (ret)
-		goto err;
-
-err:
-	return ret;
-}
-
-static int __recow_root(struct btrfs_trans_handle *trans,
-			 struct btrfs_root *root)
-{
-	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);
-		if (ret)
-			return ret;
-		free_extent_buffer(tmp);
-	}
-
-	return 0;
-}
-
-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;
-
-	return 0;
-}
-
-static int create_one_raid_group(struct btrfs_trans_handle *trans,
-			      struct btrfs_root *root, u64 type,
-			      struct mkfs_allocation *allocation)
-
-{
-	u64 chunk_start;
-	u64 chunk_size;
-	int ret;
-
-	ret = btrfs_alloc_chunk(trans, root->fs_info->extent_root,
-				&chunk_start, &chunk_size, type);
-	if (ret == -ENOSPC) {
-		error("not enough free space to allocate chunk");
-		exit(1);
-	}
-	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);
-
-	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,
-			      u64 metadata_profile, int mixed,
-			      struct mkfs_allocation *allocation)
-{
-	int ret;
-
-	if (metadata_profile) {
-		u64 meta_flags = BTRFS_BLOCK_GROUP_METADATA;
-
-		ret = create_one_raid_group(trans, root,
-					    BTRFS_BLOCK_GROUP_SYSTEM |
-					    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, allocation);
-		if (ret)
-			return ret;
-
-	}
-	if (!mixed && data_profile) {
-		ret = create_one_raid_group(trans, root,
-					    BTRFS_BLOCK_GROUP_DATA |
-					    data_profile, allocation);
-		if (ret)
-			return ret;
-	}
-	ret = recow_roots(trans, root);
-
-	return ret;
-}
-
-static int create_data_reloc_tree(struct btrfs_trans_handle *trans,
-				  struct btrfs_root *root)
-{
-	struct btrfs_key location;
-	struct btrfs_root_item root_item;
-	struct extent_buffer *tmp;
-	u64 objectid = BTRFS_DATA_RELOC_TREE_OBJECTID;
-	int ret;
-
-	ret = btrfs_copy_root(trans, root, root->node, &tmp, objectid);
-	if (ret)
-		return ret;
-
-	memcpy(&root_item, &root->root_item, sizeof(root_item));
-	btrfs_set_root_bytenr(&root_item, tmp->start);
-	btrfs_set_root_level(&root_item, btrfs_header_level(tmp));
-	btrfs_set_root_generation(&root_item, trans->transid);
-	free_extent_buffer(tmp);
-
-	location.objectid = objectid;
-	location.type = BTRFS_ROOT_ITEM_KEY;
-	location.offset = 0;
-	ret = btrfs_insert_root(trans, root->fs_info->tree_root,
-				&location, &root_item);
-
-	return ret;
-}
-
-static void print_usage(int ret)
-{
-	printf("usage: mkfs.btrfs [options] dev [ dev ... ]\n");
-	printf("options:\n");
-	printf("\t-A|--alloc-start START  the offset to start the FS\n");
-	printf("\t-b|--byte-count SIZE    total number of bytes in the FS\n");
-	printf("\t-d|--data PROFILE       data profile, raid0, raid1, raid5, raid6, raid10, dup or single\n");
-	printf("\t-f|--force              force overwrite of existing filesystem\n");
-	printf("\t-l|--leafsize SIZE      deprecated, alias for nodesize\n");
-	printf("\t-L|--label LABEL        set a label\n");
-	printf("\t-m|--metadata PROFILE   metadata profile, values like data profile\n");
-	printf("\t-M|--mixed              mix metadata and data together\n");
-	printf("\t-n|--nodesize SIZE      size of btree nodes\n");
-	printf("\t-s|--sectorsize SIZE    min block allocation (may not mountable by current kernel)\n");
-	printf("\t-r|--rootdir DIR        the source directory\n");
-	printf("\t-K|--nodiscard          do not perform whole device TRIM\n");
-	printf("\t-O|--features LIST      comma separated list of filesystem features, use '-O list-all' to list features\n");
-	printf("\t-U|--uuid UUID          specify the filesystem UUID\n");
-	printf("\t-q|--quiet              no messages except errors\n");
-	printf("\t-V|--version            print the mkfs.btrfs version and exit\n");
-	exit(ret);
-}
-
-static u64 parse_profile(char *s)
-{
-	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, "raid5") == 0) {
-		return BTRFS_BLOCK_GROUP_RAID5;
-	} else if (strcasecmp(s, "raid6") == 0) {
-		return BTRFS_BLOCK_GROUP_RAID6;
-	} else if (strcasecmp(s, "raid10") == 0) {
-		return BTRFS_BLOCK_GROUP_RAID10;
-	} else if (strcasecmp(s, "dup") == 0) {
-		return BTRFS_BLOCK_GROUP_DUP;
-	} else if (strcasecmp(s, "single") == 0) {
-		return 0;
-	} else {
-		error("unknown profile %s", s);
-		exit(1);
-	}
-	/* not reached */
-	return 0;
-}
-
-static char *parse_label(char *input)
-{
-	int len = strlen(input);
-
-	if (len >= BTRFS_LABEL_SIZE) {
-		error("label %s is too long (max %d)", input,
-			BTRFS_LABEL_SIZE - 1);
-		exit(1);
-	}
-	return strdup(input);
-}
-
-static int add_directory_items(struct btrfs_trans_handle *trans,
-			       struct btrfs_root *root, u64 objectid,
-			       ino_t parent_inum, const char *name,
-			       struct stat *st, int *dir_index_cnt)
-{
-	int ret;
-	int name_len;
-	struct btrfs_key location;
-	u8 filetype = 0;
-
-	name_len = strlen(name);
-
-	location.objectid = objectid;
-	location.offset = 0;
-	btrfs_set_key_type(&location, BTRFS_INODE_ITEM_KEY);
-
-	if (S_ISDIR(st->st_mode))
-		filetype = BTRFS_FT_DIR;
-	if (S_ISREG(st->st_mode))
-		filetype = BTRFS_FT_REG_FILE;
-	if (S_ISLNK(st->st_mode))
-		filetype = BTRFS_FT_SYMLINK;
-
-	ret = btrfs_insert_dir_item(trans, root, name, name_len,
-				    parent_inum, &location,
-				    filetype, index_cnt);
-	if (ret)
-		return ret;
-	ret = btrfs_insert_inode_ref(trans, root, name, name_len,
-				     objectid, parent_inum, index_cnt);
-	*dir_index_cnt = index_cnt;
-	index_cnt++;
-
-	return ret;
-}
-
-static int fill_inode_item(struct btrfs_trans_handle *trans,
-			   struct btrfs_root *root,
-			   struct btrfs_inode_item *dst, struct stat *src)
-{
-	u64 blocks = 0;
-	u64 sectorsize = root->sectorsize;
-
-	/*
-	 * btrfs_inode_item has some reserved fields
-	 * and represents on-disk inode entry, so
-	 * zero everything to prevent information leak
-	 */
-	memset(dst, 0, sizeof (*dst));
-
-	btrfs_set_stack_inode_generation(dst, trans->transid);
-	btrfs_set_stack_inode_size(dst, src->st_size);
-	btrfs_set_stack_inode_nbytes(dst, 0);
-	btrfs_set_stack_inode_block_group(dst, 0);
-	btrfs_set_stack_inode_nlink(dst, src->st_nlink);
-	btrfs_set_stack_inode_uid(dst, src->st_uid);
-	btrfs_set_stack_inode_gid(dst, src->st_gid);
-	btrfs_set_stack_inode_mode(dst, src->st_mode);
-	btrfs_set_stack_inode_rdev(dst, 0);
-	btrfs_set_stack_inode_flags(dst, 0);
-	btrfs_set_stack_timespec_sec(&dst->atime, src->st_atime);
-	btrfs_set_stack_timespec_nsec(&dst->atime, 0);
-	btrfs_set_stack_timespec_sec(&dst->ctime, src->st_ctime);
-	btrfs_set_stack_timespec_nsec(&dst->ctime, 0);
-	btrfs_set_stack_timespec_sec(&dst->mtime, src->st_mtime);
-	btrfs_set_stack_timespec_nsec(&dst->mtime, 0);
-	btrfs_set_stack_timespec_sec(&dst->otime, 0);
-	btrfs_set_stack_timespec_nsec(&dst->otime, 0);
-
-	if (S_ISDIR(src->st_mode)) {
-		btrfs_set_stack_inode_size(dst, 0);
-		btrfs_set_stack_inode_nlink(dst, 1);
-	}
-	if (S_ISREG(src->st_mode)) {
-		btrfs_set_stack_inode_size(dst, (u64)src->st_size);
-		if (src->st_size <= BTRFS_MAX_INLINE_DATA_SIZE(root))
-			btrfs_set_stack_inode_nbytes(dst, src->st_size);
-		else {
-			blocks = src->st_size / sectorsize;
-			if (src->st_size % sectorsize)
-				blocks += 1;
-			blocks *= sectorsize;
-			btrfs_set_stack_inode_nbytes(dst, blocks);
-		}
-	}
-	if (S_ISLNK(src->st_mode))
-		btrfs_set_stack_inode_nbytes(dst, src->st_size + 1);
-
-	return 0;
-}
-
-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))
-		return 0;
-	else
-		return 1;
-}
-
-static void free_namelist(struct direct **files, int count)
-{
-	int i;
-
-	if (count < 0)
-		return;
-
-	for (i = 0; i < count; ++i)
-		free(files[i]);
-	free(files);
-}
-
-static u64 calculate_dir_inode_size(char *dirname)
-{
-	int count, i;
-	struct direct **files, *cur_file;
-	u64 dir_inode_size = 0;
-
-	count = scandir(dirname, &files, directory_select, NULL);
-
-	for (i = 0; i < count; i++) {
-		cur_file = files[i];
-		dir_inode_size += strlen(cur_file->d_name);
-	}
-
-	free_namelist(files, count);
-
-	dir_inode_size *= 2;
-	return dir_inode_size;
-}
-
-static int add_inode_items(struct btrfs_trans_handle *trans,
-			   struct btrfs_root *root,
-			   struct stat *st, 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;
-
-	fill_inode_item(trans, root, &btrfs_inode, st);
-	objectid = self_objectid;
-
-	if (S_ISDIR(st->st_mode)) {
-		inode_size = calculate_dir_inode_size(name);
-		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;
-	return ret;
-}
-
-static int add_xattr_item(struct btrfs_trans_handle *trans,
-			  struct btrfs_root *root, u64 objectid,
-			  const char *file_name)
-{
-	int ret;
-	int cur_name_len;
-	char xattr_list[XATTR_LIST_MAX];
-	char *cur_name;
-	char cur_value[XATTR_SIZE_MAX];
-	char delimiter = '\0';
-	char *next_location = xattr_list;
-
-	ret = llistxattr(file_name, xattr_list, XATTR_LIST_MAX);
-	if (ret < 0) {
-		if(errno == ENOTSUP)
-			return 0;
-		error("getting a list of xattr failed for %s: %s", file_name,
-				strerror(errno));
-		return ret;
-	}
-	if (ret == 0)
-		return ret;
-
-	cur_name = strtok(xattr_list, &delimiter);
-	while (cur_name != NULL) {
-		cur_name_len = strlen(cur_name);
-		next_location += cur_name_len + 1;
-
-		ret = getxattr(file_name, cur_name, cur_value, XATTR_SIZE_MAX);
-		if (ret < 0) {
-			if(errno == ENOTSUP)
-				return 0;
-			error("gettig a xattr value failed for %s attr %s: %s",
-				file_name, cur_name, strerror(errno));
-			return ret;
-		}
-
-		ret = btrfs_insert_xattr_item(trans, root, cur_name,
-					      cur_name_len, cur_value,
-					      ret, objectid);
-		if (ret) {
-			error("inserting a xattr item failed for %s: %s",
-					file_name, strerror(-ret));
-		}
-
-		cur_name = strtok(next_location, &delimiter);
-	}
-
-	return ret;
-}
-
-static int add_symbolic_link(struct btrfs_trans_handle *trans,
-			     struct btrfs_root *root,
-			     u64 objectid, const char *path_name)
-{
-	int ret;
-	char buf[PATH_MAX];
-
-	ret = readlink(path_name, buf, sizeof(buf));
-	if (ret <= 0) {
-		error("readlink failed for %s: %s", path_name, strerror(errno));
-		goto fail;
-	}
-	if (ret >= sizeof(buf)) {
-		error("symlink too long for %s", path_name);
-		ret = -1;
-		goto fail;
-	}
-
-	buf[ret] = '\0'; /* readlink does not do it for us */
-	ret = btrfs_insert_inline_extent(trans, root, objectid, 0,
-					 buf, ret + 1);
-fail:
-	return ret;
-}
-
-static int add_file_items(struct btrfs_trans_handle *trans,
-			  struct btrfs_root *root,
-			  struct btrfs_inode_item *btrfs_inode, u64 objectid,
-			  ino_t parent_inum, struct stat *st,
-			  const char *path_name, int out_fd)
-{
-	int ret = -1;
-	ssize_t ret_read;
-	u64 bytes_read = 0;
-	struct btrfs_key key;
-	int blocks;
-	u32 sectorsize = root->sectorsize;
-	u64 first_block = 0;
-	u64 file_pos = 0;
-	u64 cur_bytes;
-	u64 total_bytes;
-	struct extent_buffer *eb = NULL;
-	int fd;
-
-	if (st->st_size == 0)
-		return 0;
-
-	fd = open(path_name, O_RDONLY);
-	if (fd == -1) {
-		error("cannot open %s: %s", path_name, strerror(errno));
-		return ret;
-	}
-
-	blocks = st->st_size / sectorsize;
-	if (st->st_size % sectorsize)
-		blocks += 1;
-
-	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) {
-			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;
-		}
-
-		ret = btrfs_insert_inline_extent(trans, root, objectid, 0,
-						 buffer, st->st_size);
-		free(buffer);
-		goto end;
-	}
-
-	/* round up our st_size to the FS blocksize */
-	total_bytes = (u64)blocks * sectorsize;
-
-	/*
-	 * do our IO in extent buffers so it can work
-	 * against any raid type
-	 */
-	eb = calloc(1, sizeof(*eb) + sectorsize);
-	if (!eb) {
-		ret = -ENOMEM;
-		goto end;
-	}
-
-again:
-
-	/*
-	 * keep our extent size at 1MB max, this makes it easier to work inside
-	 * the tiny block groups created during mkfs
-	 */
-	cur_bytes = min(total_bytes, 1024ULL * 1024);
-	ret = btrfs_reserve_extent(trans, root, cur_bytes, 0, 0, (u64)-1,
-				   &key, 1);
-	if (ret)
-		goto end;
-
-	first_block = key.objectid;
-	bytes_read = 0;
-
-	while (bytes_read < cur_bytes) {
-
-		memset(eb->data, 0, sectorsize);
-
-		ret_read = pread64(fd, eb->data, sectorsize, file_pos + bytes_read);
-		if (ret_read == -1) {
-			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;
-		}
-
-		eb->start = first_block + bytes_read;
-		eb->len = sectorsize;
-
-		/*
-		 * we're doing the csum before we record the extent, but
-		 * that's ok
-		 */
-		ret = btrfs_csum_file_block(trans, root->fs_info->csum_root,
-					    first_block + bytes_read + sectorsize,
-					    first_block + bytes_read,
-					    eb->data, sectorsize);
-		if (ret)
-			goto end;
-
-		ret = write_and_map_eb(trans, root, eb);
-		if (ret) {
-			error("failed to write %s", path_name);
-			goto end;
-		}
-
-		bytes_read += sectorsize;
-	}
-
-	if (bytes_read) {
-		ret = btrfs_record_file_extent(trans, root, objectid, btrfs_inode,
-					       file_pos, first_block, cur_bytes);
-		if (ret)
-			goto end;
-
-	}
-
-	file_pos += cur_bytes;
-	total_bytes -= cur_bytes;
-
-	if (total_bytes)
-		goto again;
-
-end:
-	free(eb);
-	close(fd);
-	return ret;
-}
-
-static char *make_path(char *dir, char *name)
-{
-	char *path;
-
-	path = malloc(strlen(dir) + strlen(name) + 2);
-	if (!path)
-		return NULL;
-	strcpy(path, dir);
-	if (dir[strlen(dir) - 1] != '/')
-		strcat(path, "/");
-	strcat(path, name);
-	return path;
-}
-
-static int traverse_directory(struct btrfs_trans_handle *trans,
-			      struct btrfs_root *root, char *dir_name,
-			      struct directory_name_entry *dir_head, int out_fd)
-{
-	int ret = 0;
-
-	struct btrfs_inode_item cur_inode;
-	struct btrfs_inode_item *inode_item;
-	int count, i, dir_index_cnt;
-	struct direct **files;
-	struct stat st;
-	struct directory_name_entry *dir_entry, *parent_dir_entry;
-	struct direct *cur_file;
-	ino_t parent_inum, cur_inum;
-	ino_t highest_inum = 0;
-	char *parent_dir_name;
-	char real_path[PATH_MAX];
-	struct btrfs_path path;
-	struct extent_buffer *leaf;
-	struct btrfs_key root_dir_key;
-	u64 root_dir_inode_size = 0;
-
-	/* 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) {
-		error("realpath  failed for %s: %s", dir_name, strerror(errno));
-		ret = -1;
-		goto fail_no_dir;
-	}
-
-	parent_inum = highest_inum + BTRFS_FIRST_FREE_OBJECTID;
-	dir_entry->inum = parent_inum;
-	list_add_tail(&dir_entry->list, &dir_head->list);
-
-	btrfs_init_path(&path);
-
-	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);
-	ret = btrfs_lookup_inode(trans, root, &path, &root_dir_key, 1);
-	if (ret) {
-		error("failed to lookup root dir: %d", ret);
-		goto fail_no_dir;
-	}
-
-	leaf = path.nodes[0];
-	inode_item = btrfs_item_ptr(leaf, path.slots[0],
-				    struct btrfs_inode_item);
-
-	root_dir_inode_size = calculate_dir_inode_size(dir_name);
-	btrfs_set_inode_size(leaf, inode_item, root_dir_inode_size);
-	btrfs_mark_buffer_dirty(leaf);
-
-	btrfs_release_path(&path);
-
-	do {
-		parent_dir_entry = list_entry(dir_head->list.next,
-					      struct directory_name_entry,
-					      list);
-		list_del(&parent_dir_entry->list);
-
-		parent_inum = parent_dir_entry->inum;
-		parent_dir_name = parent_dir_entry->dir_name;
-		if (chdir(parent_dir_entry->path)) {
-			error("chdir failed for %s: %s",
-				parent_dir_name, strerror(errno));
-			ret = -1;
-			goto fail_no_files;
-		}
-
-		count = scandir(parent_dir_entry->path, &files,
-				directory_select, NULL);
-		if (count == -1)
-		{
-			error("scandir failed for %s: %s",
-				parent_dir_name, strerror (errno));
-			ret = -1;
-			goto fail;
-		}
-
-		for (i = 0; i < count; i++) {
-			cur_file = files[i];
-
-			if (lstat(cur_file->d_name, &st) == -1) {
-				error("lstat failed for %s: %s",
-					cur_file->d_name, strerror(errno));
-				ret = -1;
-				goto fail;
-			}
-
-			cur_inum = st.st_ino;
-			ret = add_directory_items(trans, root,
-						  cur_inum, parent_inum,
-						  cur_file->d_name,
-						  &st, &dir_index_cnt);
-			if (ret) {
-				error("unable to add directory items for %s: %d",
-					cur_file->d_name, ret);
-				goto fail;
-			}
-
-			ret = add_inode_items(trans, root, &st,
-					      cur_file->d_name, cur_inum,
-					      parent_inum, dir_index_cnt,
-					      &cur_inode);
-			if (ret == -EEXIST) {
-				if (st.st_nlink <= 1) {
-					error(
-			"item %s already exists but has wrong st_nlink %ld <= 1",
-						cur_file->d_name, st.st_nlink);
-					goto fail;
-				}
-				continue;
-			}
-			if (ret) {
-				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) {
-				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);
-				dir_entry->inum = cur_inum;
-				list_add_tail(&dir_entry->list,	&dir_head->list);
-			} else if (S_ISREG(st.st_mode)) {
-				ret = add_file_items(trans, root, &cur_inode,
-						     cur_inum, parent_inum, &st,
-						     cur_file->d_name, out_fd);
-				if (ret) {
-					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) {
-					error("unable to add symlink for %s: %d",
-						cur_file->d_name, ret);
-					goto fail;
-				}
-			}
-		}
-
-		free_namelist(files, count);
-		free(parent_dir_entry);
-
-		index_cnt = 2;
-
-	} while (!list_empty(&dir_head->list));
-
-out:
-	return !!ret;
-fail:
-	free_namelist(files, count);
-fail_no_files:
-	free(parent_dir_entry);
-	goto out;
-fail_no_dir:
-	free(dir_entry);
-	goto out;
-}
-
-static int open_target(char *output_name)
-{
-	int output_fd;
-	output_fd = open(output_name, O_CREAT | O_RDWR,
-		         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,
-			 struct mkfs_allocation *allocation)
-{
-	u64 chunk_start;
-	u64 chunk_size;
-	u64 meta_type = BTRFS_BLOCK_GROUP_METADATA;
-	u64 data_type = BTRFS_BLOCK_GROUP_DATA;
-	u64 minimum_data_chunk_size = 8 * 1024 * 1024;
-	u64 i;
-	int ret;
-
-	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);
-		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);
-		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);
-	}
-
-	if (size_of_data < minimum_data_chunk_size)
-		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, 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);
-	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)
-{
-	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) {
-		error("unable to lstat %s: %s", source_dir, strerror(errno));
-		ret = -errno;
-		goto out;
-	}
-
-	INIT_LIST_HEAD(&dir_head.list);
-
-	trans = btrfs_start_transaction(root, 1);
-	ret = traverse_directory(trans, root, source_dir, &dir_head, out_fd);
-	if (ret) {
-		error("unable to traverse directory %s: %d", source_dir, ret);
-		goto fail;
-	}
-	ret = btrfs_commit_transaction(trans, root);
-	if (ret) {
-		error("transaction commit failed: %d", ret);
-		goto out;
-	}
-
-	if (verbose)
-		printf("Making image is completed.\n");
-	return 0;
-fail:
-	while (!list_empty(&dir_head.list)) {
-		dir_entry = list_entry(dir_head.list.next,
-				       struct directory_name_entry, list);
-		list_del(&dir_entry->list);
-		free(dir_entry);
-	}
-out:
-	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.
- */
-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, fs_block_size);
-
-	return 0;
-}
-
-static u64 size_sourcedir(char *dir_name, u64 sectorsize,
-			  u64 *num_of_meta_chunks_ret, u64 *size_of_data_ret)
-{
-	u64 dir_size = 0;
-	u64 total_size = 0;
-	int ret;
-	u64 default_chunk_size = 8 * 1024 * 1024;	/* 8MB */
-	u64 allocated_meta_size = 8 * 1024 * 1024;	/* 8MB */
-	u64 allocated_total_size = 20 * 1024 * 1024;	/* 20MB */
-	u64 num_of_meta_chunks = 0;
-	u64 num_of_data_chunks = 0;
-	u64 num_of_allocated_meta_chunks =
-			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) {
-		error("ftw subdir walk of %s failed: %s", dir_name,
-			strerror(errno));
-		exit(1);
-	}
-
-	num_of_data_chunks = (dir_size + default_chunk_size - 1) /
-		default_chunk_size;
-
-	num_of_meta_chunks = (dir_size / 2) / default_chunk_size;
-	if (((dir_size / 2) % default_chunk_size) != 0)
-		num_of_meta_chunks++;
-	if (num_of_meta_chunks <= num_of_allocated_meta_chunks)
-		num_of_meta_chunks = 0;
-	else
-		num_of_meta_chunks -= num_of_allocated_meta_chunks;
-
-	total_size = allocated_total_size +
-		     (num_of_data_chunks * default_chunk_size) +
-		     (num_of_meta_chunks * default_chunk_size);
-
-	*num_of_meta_chunks_ret = num_of_meta_chunks;
-	*size_of_data_ret = num_of_data_chunks * default_chunk_size;
-	return total_size;
-}
-
-static int zero_output_file(int out_fd, u64 size)
-{
-	int loop_num;
-	u64 location = 0;
-	char buf[4096];
-	int ret = 0, i;
-	ssize_t written;
-
-	memset(buf, 0, 4096);
-	loop_num = size / 4096;
-	for (i = 0; i < loop_num; i++) {
-		written = pwrite64(out_fd, buf, 4096, location);
-		if (written != 4096)
-			ret = -EIO;
-		location += 4096;
-	}
-	return ret;
-}
-
-static int is_ssd(const char *file)
-{
-	blkid_probe probe;
-	char wholedisk[PATH_MAX];
-	char sysfs_path[PATH_MAX];
-	dev_t devno;
-	int fd;
-	char rotational;
-	int ret;
-
-	probe = blkid_new_probe_from_filename(file);
-	if (!probe)
-		return 0;
-
-	/* Device number of this disk (possibly a partition) */
-	devno = blkid_probe_get_devno(probe);
-	if (!devno) {
-		blkid_free_probe(probe);
-		return 0;
-	}
-
-	/* Get whole disk name (not full path) for this devno */
-	ret = blkid_devno_to_wholedisk(devno,
-			wholedisk, sizeof(wholedisk), NULL);
-	if (ret) {
-		blkid_free_probe(probe);
-		return 0;
-	}
-
-	snprintf(sysfs_path, PATH_MAX, "/sys/block/%s/queue/rotational",
-		 wholedisk);
-
-	blkid_free_probe(probe);
-
-	fd = open(sysfs_path, O_RDONLY);
-	if (fd < 0) {
-		return 0;
-	}
-
-	if (read(fd, &rotational, 1) < 1) {
-		close(fd);
-		return 0;
-	}
-	close(fd);
-
-	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;
-}
-
-/* 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;
-
-	path = btrfs_alloc_path();
-	if (!path) {
-		ret = -ENOMEM;
-		goto out;
-	}
-
-	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_free_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;
-	u64 block_count = 0;
-	u64 dev_block_count = 0;
-	u64 blocks[7];
-	u64 alloc_start = 0;
-	u64 metadata_profile = 0;
-	u64 data_profile = 0;
-	u32 nodesize = max_t(u32, sysconf(_SC_PAGESIZE),
-			BTRFS_MKFS_DEFAULT_NODE_SIZE);
-	u32 sectorsize = 4096;
-	u32 stripesize = 4096;
-	int zero_end = 1;
-	int fd;
-	int ret;
-	int i;
-	int mixed = 0;
-	int nodesize_forced = 0;
-	int data_profile_opt = 0;
-	int metadata_profile_opt = 0;
-	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 size_of_data = 0;
-	u64 source_dir_size = 0;
-	int dev_cnt = 0;
-	int saved_optind;
-	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;
-		static const struct option long_options[] = {
-			{ "alloc-start", required_argument, NULL, 'A'},
-			{ "byte-count", required_argument, NULL, 'b' },
-			{ "force", no_argument, NULL, 'f' },
-			{ "leafsize", required_argument, NULL, 'l' },
-			{ "label", required_argument, NULL, 'L'},
-			{ "metadata", required_argument, NULL, 'm' },
-			{ "mixed", no_argument, NULL, 'M' },
-			{ "nodesize", required_argument, NULL, 'n' },
-			{ "sectorsize", required_argument, NULL, 's' },
-			{ "data", required_argument, NULL, 'd' },
-			{ "version", no_argument, NULL, 'V' },
-			{ "rootdir", required_argument, NULL, 'r' },
-			{ "nodiscard", no_argument, NULL, 'K' },
-			{ "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(argc, argv, "A:b:fl:n:s:m:d:L:O:r:U:VMKq",
-				long_options, NULL);
-		if (c < 0)
-			break;
-		switch(c) {
-			case 'A':
-				alloc_start = parse_size(optarg);
-				break;
-			case 'f':
-				force_overwrite = 1;
-				break;
-			case 'd':
-				data_profile = parse_profile(optarg);
-				data_profile_opt = 1;
-				break;
-			case 'l':
-				warning("--leafsize is deprecated, use --nodesize");
-			case 'n':
-				nodesize = parse_size(optarg);
-				nodesize_forced = 1;
-				break;
-			case 'L':
-				label = parse_label(optarg);
-				break;
-			case 'm':
-				metadata_profile = parse_profile(optarg);
-				metadata_profile_opt = 1;
-				break;
-			case 'M':
-				mixed = 1;
-				break;
-			case 'O': {
-				char *orig = strdup(optarg);
-				char *tmp = orig;
-
-				tmp = btrfs_parse_fs_features(tmp, &features);
-				if (tmp) {
-					error("unrecognized filesystem feature '%s'",
-							tmp);
-					free(orig);
-					exit(1);
-				}
-				free(orig);
-				if (features & BTRFS_FEATURE_LIST_ALL) {
-					btrfs_list_all_fs_features(0);
-					exit(0);
-				}
-				break;
-				}
-			case 's':
-				sectorsize = parse_size(optarg);
-				break;
-			case 'b':
-				block_count = parse_size(optarg);
-				zero_end = 0;
-				break;
-			case 'V':
-				printf("mkfs.btrfs, part of %s\n",
-						PACKAGE_STRING);
-				exit(0);
-				break;
-			case 'r':
-				source_dir = optarg;
-				source_dir_set = 1;
-				break;
-			case 'U':
-				strncpy(fs_uuid, optarg,
-					BTRFS_UUID_UNPARSED_SIZE - 1);
-				break;
-			case 'K':
-				discard = 0;
-				break;
-			case 'q':
-				verbose = 0;
-				break;
-			case GETOPT_VAL_HELP:
-			default:
-				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));
-	stripesize = sectorsize;
-	saved_optind = optind;
-	dev_cnt = argc - optind;
-	if (dev_cnt == 0)
-		print_usage(1);
-
-	if (source_dir_set && dev_cnt > 1) {
-		error("the option -r is limited to a single device");
-		exit(1);
-	}
-
-	if (*fs_uuid) {
-		uuid_t dummy_uuid;
-
-		if (uuid_parse(fs_uuid, dummy_uuid) != 0) {
-			error("could not parse UUID: %s", fs_uuid);
-			exit(1);
-		}
-		if (!test_uuid_unique(fs_uuid)) {
-			error("non-unique UUID: %s", fs_uuid);
-			exit(1);
-		}
-	}
-
-	while (dev_cnt-- > 0) {
-		file = argv[optind++];
-		if (is_block_device(file) == 1)
-			if (test_dev_for_mkfs(file, force_overwrite))
-				exit(1);
-	}
-
-	optind = saved_optind;
-	dev_cnt = argc - optind;
-
-	file = argv[optind++];
-	ssd = is_ssd(file);
-
-	/*
-	* Set default profiles according to number of added devices.
-	* For mixed groups defaults are single/single.
-	*/
-	if (!mixed) {
-		if (!metadata_profile_opt) {
-			if (dev_cnt == 1 && ssd && verbose)
-				printf("Detected a SSD, turning off metadata "
-				"duplication.  Mkfs with -m dup if you want to "
-				"force metadata duplication.\n");
-
-			metadata_profile = (dev_cnt > 1) ?
-					BTRFS_BLOCK_GROUP_RAID1 : (ssd) ?
-					0: BTRFS_BLOCK_GROUP_DUP;
-		}
-		if (!data_profile_opt) {
-			data_profile = (dev_cnt > 1) ?
-				BTRFS_BLOCK_GROUP_RAID0 : 0; /* raid0 or single */
-		}
-	} else {
-		u32 best_nodesize = max_t(u32, sysconf(_SC_PAGESIZE), sectorsize);
-
-		if (metadata_profile_opt || data_profile_opt) {
-			if (metadata_profile != data_profile) {
-				error(
-	"with mixed block groups data and metadata profiles must be the same");
-				exit(1);
-			}
-		}
-
-		if (!nodesize_forced)
-			nodesize = best_nodesize;
-	}
-
-	/*
-	 * 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);
-
-	/* Check device/block_count after the nodesize is determined */
-	if (block_count && block_count < btrfs_min_dev_size(nodesize)) {
-		error("size %llu is too small to make a usable filesystem",
-			block_count);
-		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 = argv[i];
-		ret = test_minimum_size(path, nodesize);
-		if (ret < 0) {
-			error("failed to check size for %s: %s",
-				path, strerror(-ret));
-			exit (1);
-		}
-		if (ret > 0) {
-			error("'%s' is too small to make a usable filesystem",
-				path);
-			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, ssd);
-	if (ret)
-		exit(1);
-
-	dev_cnt--;
-
-	if (!source_dir_set) {
-		/*
-		 * open without O_EXCL so that the problem should not
-		 * occur by the following processing.
-		 * (btrfs_register_one_device() fails if O_EXCL is on)
-		 */
-		fd = open(file, O_RDWR);
-		if (fd < 0) {
-			error("unable to open %s: %s", file, strerror(errno));
-			exit(1);
-		}
-		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) {
-			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);
-		if (fd < 0) {
-			error("unable to open %s: %s", file, strerror(errno));
-			exit(1);
-		}
-
-		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);
-		if (ret) {
-			error("unable to zero the output file");
-			exit(1);
-		}
-		/* our "device" is the new image file */
-		dev_block_count = block_count;
-	}
-
-	/* To create the first block group and chunk 0 in make_btrfs */
-	if (dev_block_count < BTRFS_MKFS_SYSTEM_GROUP_SIZE) {
-		error("device is too small to make filesystem, must be at least %llu",
-				(unsigned long long)BTRFS_MKFS_SYSTEM_GROUP_SIZE);
-		exit(1);
-	}
-
-	blocks[0] = BTRFS_SUPER_INFO_OFFSET;
-	for (i = 1; i < 7; i++) {
-		blocks[i] = BTRFS_SUPER_INFO_OFFSET + 1024 * 1024 +
-			nodesize * i;
-	}
-
-	if (group_profile_max_safe_loss(metadata_profile) <
-		group_profile_max_safe_loss(data_profile)){
-		warning("metadata has lower redundancy than data!\n");
-	}
-
-	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;
-
-	ret = make_btrfs(fd, &mkfs_cfg, NULL);
-	if (ret) {
-		error("error during mkfs: %s", strerror(-ret));
-		exit(1);
-	}
-
-	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 = create_metadata_block_groups(root, mixed, &allocation);
-	if (ret) {
-		error("failed to create default block groups: %d", ret);
-		exit(1);
-	}
-
-	trans = btrfs_start_transaction(root, 1);
-	if (!trans) {
-		error("failed to start transaction");
-		exit(1);
-	}
-
-	ret = create_data_block_groups(trans, root, mixed, &allocation);
-	if (ret) {
-		error("failed to create default data block groups: %d", ret);
-		exit(1);
-	}
-
-	ret = make_root_dir(trans, root, &allocation);
-	if (ret) {
-		error("failed to setup the root directory: %d", ret);
-		exit(1);
-	}
-
-	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) {
-		file = argv[optind++];
-
-		/*
-		 * open without O_EXCL so that the problem should not
-		 * occur by the following processing.
-		 * (btrfs_register_one_device() fails if O_EXCL is on)
-		 */
-		fd = open(file, O_RDWR);
-		if (fd < 0) {
-			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) {
-			error("skipping duplicate device %s in the filesystem",
-				file);
-			close(fd);
-			continue;
-		}
-		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);
-		}
-
-		ret = btrfs_add_to_fsid(trans, root, fd, file, dev_block_count,
-					sectorsize, sectorsize, sectorsize);
-		if (ret) {
-			error("unable to add %s to filesystem: %d", file, ret);
-			goto out;
-		}
-		if (verbose >= 2) {
-			struct btrfs_device *device;
-
-			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);
-		}
-	}
-
-raid_groups:
-	if (!source_dir_set) {
-		ret = create_raid_groups(trans, root, data_profile,
-				 metadata_profile, mixed, &allocation);
-		if (ret) {
-			error("unable to create raid groups: %d", ret);
-			goto out;
-		}
-	}
-
-	ret = create_data_reloc_tree(trans, root);
-	if (ret) {
-		error("unable to create data reloc tree: %d", ret);
-		goto out;
-	}
-
-	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,
-				    &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);
-		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", 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);
-
-	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 !!ret;
-}