^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) /* SPDX-License-Identifier: GPL-2.0 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) * befs.h
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) * Copyright (C) 2001-2002 Will Dyson <will_dyson@pobox.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) * Copyright (C) 1999 Makoto Kato (m_kato@ga2.so-net.ne.jp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) #ifndef _LINUX_BEFS_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) #define _LINUX_BEFS_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #include "befs_fs_types.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) /* used in debug.c */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) #define BEFS_VERSION "0.9.3"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) typedef u64 befs_blocknr_t;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) * BeFS in memory structures
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) struct befs_mount_options {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) kgid_t gid;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) kuid_t uid;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) int use_gid;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) int use_uid;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) int debug;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) char *iocharset;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) struct befs_sb_info {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) u32 magic1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) u32 block_size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) u32 block_shift;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) int byte_order;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) befs_off_t num_blocks;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) befs_off_t used_blocks;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) u32 inode_size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) u32 magic2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) /* Allocation group information */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) u32 blocks_per_ag;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) u32 ag_shift;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) u32 num_ags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) /* State of the superblock */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) u32 flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) /* Journal log entry */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) befs_block_run log_blocks;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) befs_off_t log_start;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) befs_off_t log_end;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) befs_inode_addr root_dir;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) befs_inode_addr indices;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) u32 magic3;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) struct befs_mount_options mount_opts;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) struct nls_table *nls;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) struct befs_inode_info {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) u32 i_flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) u32 i_type;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) befs_inode_addr i_inode_num;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) befs_inode_addr i_parent;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) befs_inode_addr i_attribute;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) union {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) befs_data_stream ds;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) char symlink[BEFS_SYMLINK_LEN];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) } i_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) struct inode vfs_inode;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) enum befs_err {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) BEFS_OK,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) BEFS_ERR,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) BEFS_BAD_INODE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) BEFS_BT_END,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) BEFS_BT_EMPTY,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) BEFS_BT_MATCH,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) BEFS_BT_OVERFLOW,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) BEFS_BT_NOT_FOUND
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) /****************************/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) /* debug.c */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) __printf(2, 3)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) void befs_error(const struct super_block *sb, const char *fmt, ...);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) __printf(2, 3)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) void befs_warning(const struct super_block *sb, const char *fmt, ...);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) __printf(2, 3)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) void befs_debug(const struct super_block *sb, const char *fmt, ...);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) void befs_dump_super_block(const struct super_block *sb, befs_super_block *);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) void befs_dump_inode(const struct super_block *sb, befs_inode *);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) void befs_dump_index_entry(const struct super_block *sb, befs_disk_btree_super *);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) void befs_dump_index_node(const struct super_block *sb, befs_btree_nodehead *);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) /****************************/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) /* Gets a pointer to the private portion of the super_block
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) * structure from the public part
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) static inline struct befs_sb_info *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) BEFS_SB(const struct super_block *super)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) return (struct befs_sb_info *) super->s_fs_info;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) static inline struct befs_inode_info *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) BEFS_I(const struct inode *inode)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) return container_of(inode, struct befs_inode_info, vfs_inode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) static inline befs_blocknr_t
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) iaddr2blockno(struct super_block *sb, const befs_inode_addr *iaddr)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) return ((iaddr->allocation_group << BEFS_SB(sb)->ag_shift) +
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) iaddr->start);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) static inline befs_inode_addr
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) blockno2iaddr(struct super_block *sb, befs_blocknr_t blockno)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) befs_inode_addr iaddr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) iaddr.allocation_group = blockno >> BEFS_SB(sb)->ag_shift;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) iaddr.start =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) blockno - (iaddr.allocation_group << BEFS_SB(sb)->ag_shift);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) iaddr.len = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) return iaddr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) static inline unsigned int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) befs_iaddrs_per_block(struct super_block *sb)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) return BEFS_SB(sb)->block_size / sizeof(befs_disk_inode_addr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) #include "endian.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) #endif /* _LINUX_BEFS_H */
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
3 Commits
0 Branches
0 Tags