58 lines
2.6 KiB
C
Executable File
58 lines
2.6 KiB
C
Executable File
/*
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libparted/fs/f2fs - Flash-Friendly File System
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Copyright (C) 2020-2023 Free Software Foundation, Inc.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef _F2FS_H
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#define _F2FS_H
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#define F2FS_MAGIC 0xF2F52010
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#define F2FS_MAX_VOLUME_NAME 512
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#define F2FS_SB_OFFSET 0x02
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struct f2fs_super_block {
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uint32_t magic; /* Magic Number */
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uint16_t major_ver; /* Major Version */
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uint16_t minor_ver; /* Minor Version */
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uint32_t log_sectorsize; /* log2 sector size in bytes */
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uint32_t log_sectors_per_block; /* log2 # of sectors per block */
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uint32_t log_blocksize; /* log2 block size in bytes */
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uint32_t log_blocks_per_seg; /* log2 # of blocks per segment */
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uint32_t segs_per_sec; /* # of segments per section */
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uint32_t secs_per_zone; /* # of sections per zone */
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uint32_t checksum_offset; /* checksum offset inside super block */
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uint64_t block_count; /* total # of user blocks */
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uint32_t section_count; /* total # of sections */
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uint32_t segment_count; /* total # of segments */
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uint32_t segment_count_ckpt; /* # of segments for checkpoint */
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uint32_t segment_count_sit; /* # of segments for SIT */
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uint32_t segment_count_nat; /* # of segments for NAT */
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uint32_t segment_count_ssa; /* # of segments for SSA */
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uint32_t segment_count_main; /* # of segments for main area */
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uint32_t segment0_blkaddr; /* start block address of segment 0 */
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uint32_t cp_blkaddr; /* start block address of checkpoint */
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uint32_t sit_blkaddr; /* start block address of SIT */
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uint32_t nat_blkaddr; /* start block address of NAT */
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uint32_t ssa_blkaddr; /* start block address of SSA */
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uint32_t main_blkaddr; /* start block address of main area */
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uint32_t root_ino; /* root inode number */
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uint32_t node_ino; /* node inode number */
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uint32_t meta_ino; /* meta inode number */
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uint8_t uuid[16]; /* 128-bit uuid for volume */
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uint16_t volume_name[F2FS_MAX_VOLUME_NAME]; /* volume name */
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} __attribute__((packed));
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#endif
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