/* * 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. */ /* * Defines and function declarations for users of the mkfs API, no internal * definitions. */ #ifndef __BTRFS_MKFS_COMMON_H__ #define __BTRFS_MKFS_COMMON_H__ #include "kerncompat.h" #include "common-defs.h" #define BTRFS_MKFS_SYSTEM_GROUP_SIZE SZ_4M #define BTRFS_MKFS_SMALL_VOLUME_SIZE SZ_1G /* * Tree root blocks created during mkfs */ enum btrfs_mkfs_block { MKFS_SUPER_BLOCK = 0, MKFS_ROOT_TREE, MKFS_EXTENT_TREE, MKFS_CHUNK_TREE, MKFS_DEV_TREE, MKFS_FS_TREE, MKFS_CSUM_TREE, MKFS_BLOCK_COUNT }; struct btrfs_mkfs_config { /* Label of the new filesystem */ const char *label; /* Block sizes */ u32 nodesize; u32 sectorsize; u32 stripesize; /* Bitfield of incompat features, BTRFS_FEATURE_INCOMPAT_* */ u64 features; /* Size of the filesystem in bytes */ u64 num_bytes; /* Output fields, set during creation */ /* Logical addresses of superblock [0] and other tree roots */ u64 blocks[MKFS_BLOCK_COUNT + 1]; char fs_uuid[BTRFS_UUID_UNPARSED_SIZE]; char chunk_uuid[BTRFS_UUID_UNPARSED_SIZE]; /* Superblock offset after make_btrfs */ u64 super_bytenr; }; int make_btrfs(int fd, struct btrfs_mkfs_config *cfg); u64 btrfs_min_dev_size(u32 nodesize, int mixed, u64 meta_profile, u64 data_profile); int test_minimum_size(const char *file, u64 min_dev_size); int is_vol_small(const char *file); int test_num_disk_vs_raid(u64 metadata_profile, u64 data_profile, u64 dev_cnt, int mixed, int ssd); int test_status_for_mkfs(const char *file, bool force_overwrite); int test_dev_for_mkfs(const char *file, int force_overwrite); #endif