diff options
Diffstat (limited to 'libblkid/f2fs.c')
| -rw-r--r-- | libblkid/f2fs.c | 99 |
1 files changed, 0 insertions, 99 deletions
diff --git a/libblkid/f2fs.c b/libblkid/f2fs.c deleted file mode 100644 index 1543a7a8b..000000000 --- a/libblkid/f2fs.c +++ /dev/null @@ -1,99 +0,0 @@ -/* - * Copyright (C) 2013 Alejandro Martinez Ruiz <alex@nowcomputing.com> - * - * This file may be redistributed under the terms of the - * GNU Lesser General Public License - */ - -#include <stddef.h> -#include <string.h> - -#include "superblocks.h" - -#define F2FS_MAGIC "\x10\x20\xF5\xF2" -#define F2FS_MAGIC_OFF 0 -#define F2FS_UUID_SIZE 16 -#define F2FS_LABEL_SIZE 512 -#define F2FS_SB1_OFF 0x400 -#define F2FS_SB1_KBOFF (F2FS_SB1_OFF >> 10) -#define F2FS_SB2_OFF 0x1400 -#define F2FS_SB2_KBOFF (F2FS_SB2_OFF >> 10) - -struct f2fs_super_block { /* According to version 1.1 */ -/* 0x00 */ uint32_t magic; /* Magic Number */ -/* 0x04 */ uint16_t major_ver; /* Major Version */ -/* 0x06 */ uint16_t minor_ver; /* Minor Version */ -/* 0x08 */ uint32_t log_sectorsize; /* log2 sector size in bytes */ -/* 0x0C */ uint32_t log_sectors_per_block; /* log2 # of sectors per block */ -/* 0x10 */ uint32_t log_blocksize; /* log2 block size in bytes */ -/* 0x14 */ uint32_t log_blocks_per_seg; /* log2 # of blocks per segment */ -/* 0x18 */ uint32_t segs_per_sec; /* # of segments per section */ -/* 0x1C */ uint32_t secs_per_zone; /* # of sections per zone */ -/* 0x20 */ uint32_t checksum_offset; /* checksum offset inside super block */ -/* 0x24 */ uint64_t block_count; /* total # of user blocks */ -/* 0x2C */ uint32_t section_count; /* total # of sections */ -/* 0x30 */ uint32_t segment_count; /* total # of segments */ -/* 0x34 */ uint32_t segment_count_ckpt; /* # of segments for checkpoint */ -/* 0x38 */ uint32_t segment_count_sit; /* # of segments for SIT */ -/* 0x3C */ uint32_t segment_count_nat; /* # of segments for NAT */ -/* 0x40 */ uint32_t segment_count_ssa; /* # of segments for SSA */ -/* 0x44 */ uint32_t segment_count_main; /* # of segments for main area */ -/* 0x48 */ uint32_t segment0_blkaddr; /* start block address of segment 0 */ -/* 0x4C */ uint32_t cp_blkaddr; /* start block address of checkpoint */ -/* 0x50 */ uint32_t sit_blkaddr; /* start block address of SIT */ -/* 0x54 */ uint32_t nat_blkaddr; /* start block address of NAT */ -/* 0x58 */ uint32_t ssa_blkaddr; /* start block address of SSA */ -/* 0x5C */ uint32_t main_blkaddr; /* start block address of main area */ -/* 0x60 */ uint32_t root_ino; /* root inode number */ -/* 0x64 */ uint32_t node_ino; /* node inode number */ -/* 0x68 */ uint32_t meta_ino; /* meta inode number */ -/* 0x6C */ uint8_t uuid[F2FS_UUID_SIZE]; /* 128-bit uuid for volume */ -/* 0x7C */ uint16_t volume_name[F2FS_LABEL_SIZE]; /* volume name */ -#if 0 -/* 0x47C */ uint32_t extension_count; /* # of extensions below */ -/* 0x480 */ uint8_t extension_list[64][8]; /* extension array */ -#endif -} __attribute__((packed)); - -static int probe_f2fs(blkid_probe pr, const struct blkid_idmag *mag) -{ - struct f2fs_super_block *sb; - uint16_t major, minor; - - sb = blkid_probe_get_sb(pr, mag, struct f2fs_super_block); - if (!sb) - return -1; - - major = le16_to_cpu(sb->major_ver); - minor = le16_to_cpu(sb->minor_ver); - - /* For version 1.0 we cannot know the correct sb structure */ - if (major == 1 && minor == 0) - return 0; - - if (*((unsigned char *) sb->volume_name)) - blkid_probe_set_utf8label(pr, (unsigned char *) sb->volume_name, - sizeof(sb->volume_name), - BLKID_ENC_UTF16LE); - - blkid_probe_set_uuid(pr, sb->uuid); - blkid_probe_sprintf_version(pr, "%u.%u", major, minor); - return 0; -} - -const struct blkid_idinfo f2fs_idinfo = -{ - .name = "f2fs", - .usage = BLKID_USAGE_FILESYSTEM, - .probefunc = probe_f2fs, - .magics = - { - { - .magic = F2FS_MAGIC, - .len = 4, - .kboff = F2FS_SB1_KBOFF, - .sboff = F2FS_MAGIC_OFF - }, - { NULL } - } -}; |