diff options
Diffstat (limited to 'qemu/roms/openbios/fs/ext2/ext2_fs.h')
-rw-r--r-- | qemu/roms/openbios/fs/ext2/ext2_fs.h | 534 |
1 files changed, 0 insertions, 534 deletions
diff --git a/qemu/roms/openbios/fs/ext2/ext2_fs.h b/qemu/roms/openbios/fs/ext2/ext2_fs.h deleted file mode 100644 index 4a7adff7d..000000000 --- a/qemu/roms/openbios/fs/ext2/ext2_fs.h +++ /dev/null @@ -1,534 +0,0 @@ -/* - * This file has been copied from - * linux/include/linux/ext2_fs.h - * - * Copyright (C) 1992, 1993, 1994, 1995 - * Remy Card (card@masi.ibp.fr) - * Laboratoire MASI - Institut Blaise Pascal - * Universite Pierre et Marie Curie (Paris VI) - * - * from - * - * linux/include/linux/minix_fs.h - * - * Copyright (C) 1991, 1992 Linus Torvalds - */ - -#ifndef _EXT2_FS_H -#define _EXT2_FS_H - -/* from /usr/include/linux/magic.h */ - -#define EXT2_SUPER_MAGIC 0xEF53 - -/* - * The second extended filesystem constants/structures - */ - -/* - * Define EXT2FS_DEBUG to produce debug messages - */ -#undef EXT2FS_DEBUG - -/* - * Define EXT2_RESERVATION to reserve data blocks for expanding files - */ -#define EXT2_DEFAULT_RESERVE_BLOCKS 8 -/*max window size: 1024(direct blocks) + 3([t,d]indirect blocks) */ -#define EXT2_MAX_RESERVE_BLOCKS 1027 -#define EXT2_RESERVE_WINDOW_NOT_ALLOCATED 0 -/* - * The second extended file system version - */ -#define EXT2FS_DATE "95/08/09" -#define EXT2FS_VERSION "0.5b" - -/* - * Debug code - */ -#ifdef EXT2FS_DEBUG -# define ext2_debug(f, a...) { \ - printk ("EXT2-fs DEBUG (%s, %d): %s:", \ - __FILE__, __LINE__, __FUNCTION__); \ - printk (f, ## a); \ - } -#else -# define ext2_debug(f, a...) /**/ -#endif - -/* - * Special inode numbers - */ -#define EXT2_BAD_INO 1 /* Bad blocks inode */ -#define EXT2_ROOT_INO 2 /* Root inode */ -#define EXT2_BOOT_LOADER_INO 5 /* Boot loader inode */ -#define EXT2_UNDEL_DIR_INO 6 /* Undelete directory inode */ - -/* First non-reserved inode for old ext2 filesystems */ -#define EXT2_GOOD_OLD_FIRST_INO 11 - -/* Assume that user mode programs are passing in an ext2fs superblock, not - * a kernel struct super_block. This will allow us to call the feature-test - * macros from user land. */ -#define EXT2_SB(sb) (sb) - -/* - * Maximal count of links to a file - */ -#define EXT2_LINK_MAX 32000 - -/* - * Macro-instructions used to manage several block sizes - */ -#define EXT2_MIN_BLOCK_SIZE 1024 -#define EXT2_MAX_BLOCK_SIZE 4096 -#define EXT2_MIN_BLOCK_LOG_SIZE 10 -# define EXT2_BLOCK_SIZE(s) (EXT2_MIN_BLOCK_SIZE << (s)->s_log_block_size) -#define EXT2_ADDR_PER_BLOCK(s) (EXT2_BLOCK_SIZE(s) / sizeof (uint32_t)) -# define EXT2_BLOCK_SIZE_BITS(s) ((s)->s_log_block_size + 10) -#define EXT2_INODE_SIZE(s) (((s)->s_rev_level == EXT2_GOOD_OLD_REV) ? \ - EXT2_GOOD_OLD_INODE_SIZE : \ - (s)->s_inode_size) -#define EXT2_FIRST_INO(s) (((s)->s_rev_level == EXT2_GOOD_OLD_REV) ? \ - EXT2_GOOD_OLD_FIRST_INO : \ - (s)->s_first_ino) - -/* - * Macro-instructions used to manage fragments - */ -#define EXT2_MIN_FRAG_SIZE 1024 -#define EXT2_MAX_FRAG_SIZE 4096 -#define EXT2_MIN_FRAG_LOG_SIZE 10 -# define EXT2_FRAG_SIZE(s) (EXT2_MIN_FRAG_SIZE << (s)->s_log_frag_size) -# define EXT2_FRAGS_PER_BLOCK(s) (EXT2_BLOCK_SIZE(s) / EXT2_FRAG_SIZE(s)) - -/* - * Structure of a blocks group descriptor - */ -struct ext2_group_desc -{ - uint32_t bg_block_bitmap; /* Blocks bitmap block */ - uint32_t bg_inode_bitmap; /* Inodes bitmap block */ - uint32_t bg_inode_table; /* Inodes table block */ - uint16_t bg_free_blocks_count; /* Free blocks count */ - uint16_t bg_free_inodes_count; /* Free inodes count */ - uint16_t bg_used_dirs_count; /* Directories count */ - uint16_t bg_pad; - uint32_t bg_reserved[3]; -}; - -/* - * Macro-instructions used to manage group descriptors - */ -# define EXT2_BLOCKS_PER_GROUP(s) ((s)->s_blocks_per_group) -# define EXT2_DESC_PER_BLOCK(s) (EXT2_BLOCK_SIZE(s) / sizeof (struct ext2_group_desc)) -# define EXT2_INODES_PER_GROUP(s) ((s)->s_inodes_per_group) - -/* - * Constants relative to the data blocks - */ -#define EXT2_NDIR_BLOCKS 12 -#define EXT2_IND_BLOCK EXT2_NDIR_BLOCKS -#define EXT2_DIND_BLOCK (EXT2_IND_BLOCK + 1) -#define EXT2_TIND_BLOCK (EXT2_DIND_BLOCK + 1) -#define EXT2_N_BLOCKS (EXT2_TIND_BLOCK + 1) - -/* - * Inode flags (GETFLAGS/SETFLAGS) - */ -#define EXT2_SECRM_FL FS_SECRM_FL /* Secure deletion */ -#define EXT2_UNRM_FL FS_UNRM_FL /* Undelete */ -#define EXT2_COMPR_FL FS_COMPR_FL /* Compress file */ -#define EXT2_SYNC_FL FS_SYNC_FL /* Synchronous updates */ -#define EXT2_IMMUTABLE_FL FS_IMMUTABLE_FL /* Immutable file */ -#define EXT2_APPEND_FL FS_APPEND_FL /* writes to file may only append */ -#define EXT2_NODUMP_FL FS_NODUMP_FL /* do not dump file */ -#define EXT2_NOATIME_FL FS_NOATIME_FL /* do not update atime */ -/* Reserved for compression usage... */ -#define EXT2_DIRTY_FL FS_DIRTY_FL -#define EXT2_COMPRBLK_FL FS_COMPRBLK_FL /* One or more compressed clusters */ -#define EXT2_NOCOMP_FL FS_NOCOMP_FL /* Don't compress */ -#define EXT2_ECOMPR_FL FS_ECOMPR_FL /* Compression error */ -/* End compression flags --- maybe not all used */ -#define EXT2_BTREE_FL FS_BTREE_FL /* btree format dir */ -#define EXT2_INDEX_FL FS_INDEX_FL /* hash-indexed directory */ -#define EXT2_IMAGIC_FL FS_IMAGIC_FL /* AFS directory */ -#define EXT2_JOURNAL_DATA_FL FS_JOURNAL_DATA_FL /* Reserved for ext3 */ -#define EXT2_NOTAIL_FL FS_NOTAIL_FL /* file tail should not be merged */ -#define EXT2_DIRSYNC_FL FS_DIRSYNC_FL /* dirsync behaviour (directories only) */ -#define EXT2_TOPDIR_FL FS_TOPDIR_FL /* Top of directory hierarchies*/ -#define EXT2_RESERVED_FL FS_RESERVED_FL /* reserved for ext2 lib */ - -#define EXT2_FL_USER_VISIBLE FS_FL_USER_VISIBLE /* User visible flags */ -#define EXT2_FL_USER_MODIFIABLE FS_FL_USER_MODIFIABLE /* User modifiable flags */ - -/* - * ioctl commands - */ -#define EXT2_IOC_GETFLAGS FS_IOC_GETFLAGS -#define EXT2_IOC_SETFLAGS FS_IOC_SETFLAGS -#define EXT2_IOC_GETVERSION FS_IOC_GETVERSION -#define EXT2_IOC_SETVERSION FS_IOC_SETVERSION -#define EXT2_IOC_GETRSVSZ _IOR('f', 5, long) -#define EXT2_IOC_SETRSVSZ _IOW('f', 6, long) - -/* - * ioctl commands in 32 bit emulation - */ -#define EXT2_IOC32_GETFLAGS FS_IOC32_GETFLAGS -#define EXT2_IOC32_SETFLAGS FS_IOC32_SETFLAGS -#define EXT2_IOC32_GETVERSION FS_IOC32_GETVERSION -#define EXT2_IOC32_SETVERSION FS_IOC32_SETVERSION - -/* - * Structure of an inode on the disk - */ -struct ext2_inode { - uint16_t i_mode; /* File mode */ - uint16_t i_uid; /* Low 16 bits of Owner Uid */ - uint32_t i_size; /* Size in bytes */ - uint32_t i_atime; /* Access time */ - uint32_t i_ctime; /* Creation time */ - uint32_t i_mtime; /* Modification time */ - uint32_t i_dtime; /* Deletion Time */ - uint16_t i_gid; /* Low 16 bits of Group Id */ - uint16_t i_links_count; /* Links count */ - uint32_t i_blocks; /* Blocks count */ - uint32_t i_flags; /* File flags */ - union { - struct { - uint32_t l_i_reserved1; - } linux1; - struct { - uint32_t h_i_translator; - } hurd1; - struct { - uint32_t m_i_reserved1; - } masix1; - } osd1; /* OS dependent 1 */ - uint32_t i_block[EXT2_N_BLOCKS];/* Pointers to blocks */ - uint32_t i_generation; /* File version (for NFS) */ - uint32_t i_file_acl; /* File ACL */ - uint32_t i_dir_acl; /* Directory ACL */ - uint32_t i_faddr; /* Fragment address */ - union { - struct { - uint8_t l_i_frag; /* Fragment number */ - uint8_t l_i_fsize; /* Fragment size */ - uint16_t i_pad1; - uint16_t l_i_uid_high; /* these 2 fields */ - uint16_t l_i_gid_high; /* were reserved2[0] */ - uint32_t l_i_reserved2; - } linux2; - struct { - uint8_t h_i_frag; /* Fragment number */ - uint8_t h_i_fsize; /* Fragment size */ - uint16_t h_i_mode_high; - uint16_t h_i_uid_high; - uint16_t h_i_gid_high; - uint32_t h_i_author; - } hurd2; - struct { - uint8_t m_i_frag; /* Fragment number */ - uint8_t m_i_fsize; /* Fragment size */ - uint16_t m_pad1; - uint32_t m_i_reserved2[2]; - } masix2; - } osd2; /* OS dependent 2 */ -}; - -#define i_size_high i_dir_acl - -#if defined(__KERNEL__) || defined(__linux__) -#define i_reserved1 osd1.linux1.l_i_reserved1 -#define i_frag osd2.linux2.l_i_frag -#define i_fsize osd2.linux2.l_i_fsize -#define i_uid_low i_uid -#define i_gid_low i_gid -#define i_uid_high osd2.linux2.l_i_uid_high -#define i_gid_high osd2.linux2.l_i_gid_high -#define i_reserved2 osd2.linux2.l_i_reserved2 -#endif - -#ifdef __hurd__ -#define i_translator osd1.hurd1.h_i_translator -#define i_frag osd2.hurd2.h_i_frag; -#define i_fsize osd2.hurd2.h_i_fsize; -#define i_uid_high osd2.hurd2.h_i_uid_high -#define i_gid_high osd2.hurd2.h_i_gid_high -#define i_author osd2.hurd2.h_i_author -#endif - -#ifdef __masix__ -#define i_reserved1 osd1.masix1.m_i_reserved1 -#define i_frag osd2.masix2.m_i_frag -#define i_fsize osd2.masix2.m_i_fsize -#define i_reserved2 osd2.masix2.m_i_reserved2 -#endif - -/* - * File system states - */ -#define EXT2_VALID_FS 0x0001 /* Unmounted cleanly */ -#define EXT2_ERROR_FS 0x0002 /* Errors detected */ - -/* - * Mount flags - */ -#define EXT2_MOUNT_CHECK 0x000001 /* Do mount-time checks */ -#define EXT2_MOUNT_OLDALLOC 0x000002 /* Don't use the new Orlov allocator */ -#define EXT2_MOUNT_GRPID 0x000004 /* Create files with directory's group */ -#define EXT2_MOUNT_DEBUG 0x000008 /* Some debugging messages */ -#define EXT2_MOUNT_ERRORS_CONT 0x000010 /* Continue on errors */ -#define EXT2_MOUNT_ERRORS_RO 0x000020 /* Remount fs ro on errors */ -#define EXT2_MOUNT_ERRORS_PANIC 0x000040 /* Panic on errors */ -#define EXT2_MOUNT_MINIX_DF 0x000080 /* Mimics the Minix statfs */ -#define EXT2_MOUNT_NOBH 0x000100 /* No buffer_heads */ -#define EXT2_MOUNT_NO_UID32 0x000200 /* Disable 32-bit UIDs */ -#define EXT2_MOUNT_XATTR_USER 0x004000 /* Extended user attributes */ -#define EXT2_MOUNT_POSIX_ACL 0x008000 /* POSIX Access Control Lists */ -#define EXT2_MOUNT_XIP 0x010000 /* Execute in place */ -#define EXT2_MOUNT_USRQUOTA 0x020000 /* user quota */ -#define EXT2_MOUNT_GRPQUOTA 0x040000 /* group quota */ -#define EXT2_MOUNT_RESERVATION 0x080000 /* Preallocation */ - - -#define clear_opt(o, opt) o &= ~EXT2_MOUNT_##opt -#define set_opt(o, opt) o |= EXT2_MOUNT_##opt -#define test_opt(sb, opt) (EXT2_SB(sb)->s_mount_opt & \ - EXT2_MOUNT_##opt) -/* - * Maximal mount counts between two filesystem checks - */ -#define EXT2_DFL_MAX_MNT_COUNT 20 /* Allow 20 mounts */ -#define EXT2_DFL_CHECKINTERVAL 0 /* Don't use interval check */ - -/* - * Behaviour when detecting errors - */ -#define EXT2_ERRORS_CONTINUE 1 /* Continue execution */ -#define EXT2_ERRORS_RO 2 /* Remount fs read-only */ -#define EXT2_ERRORS_PANIC 3 /* Panic */ -#define EXT2_ERRORS_DEFAULT EXT2_ERRORS_CONTINUE - -/* - * Structure of the super block - */ -struct ext2_super_block { - uint32_t s_inodes_count; /* Inodes count */ - uint32_t s_blocks_count; /* Blocks count */ - uint32_t s_r_blocks_count; /* Reserved blocks count */ - uint32_t s_free_blocks_count; /* Free blocks count */ - uint32_t s_free_inodes_count; /* Free inodes count */ - uint32_t s_first_data_block; /* First Data Block */ - uint32_t s_log_block_size; /* Block size */ - uint32_t s_log_frag_size; /* Fragment size */ - uint32_t s_blocks_per_group; /* # Blocks per group */ - uint32_t s_frags_per_group; /* # Fragments per group */ - uint32_t s_inodes_per_group; /* # Inodes per group */ - uint32_t s_mtime; /* Mount time */ - uint32_t s_wtime; /* Write time */ - uint16_t s_mnt_count; /* Mount count */ - uint16_t s_max_mnt_count; /* Maximal mount count */ - uint16_t s_magic; /* Magic signature */ - uint16_t s_state; /* File system state */ - uint16_t s_errors; /* Behaviour when detecting errors */ - uint16_t s_minor_rev_level; /* minor revision level */ - uint32_t s_lastcheck; /* time of last check */ - uint32_t s_checkinterval; /* max. time between checks */ - uint32_t s_creator_os; /* OS */ - uint32_t s_rev_level; /* Revision level */ - uint16_t s_def_resuid; /* Default uid for reserved blocks */ - uint16_t s_def_resgid; /* Default gid for reserved blocks */ - /* - * These fields are for EXT2_DYNAMIC_REV superblocks only. - * - * Note: the difference between the compatible feature set and - * the incompatible feature set is that if there is a bit set - * in the incompatible feature set that the kernel doesn't - * know about, it should refuse to mount the filesystem. - * - * e2fsck's requirements are more strict; if it doesn't know - * about a feature in either the compatible or incompatible - * feature set, it must abort and not try to meddle with - * things it doesn't understand... - */ - uint32_t s_first_ino; /* First non-reserved inode */ - uint16_t s_inode_size; /* size of inode structure */ - uint16_t s_block_group_nr; /* block group # of this superblock */ - uint32_t s_feature_compat; /* compatible feature set */ - uint32_t s_feature_incompat; /* incompatible feature set */ - uint32_t s_feature_ro_compat; /* readonly-compatible feature set */ - uint8_t s_uuid[16]; /* 128-bit uuid for volume */ - char s_volume_name[16]; /* volume name */ - char s_last_mounted[64]; /* directory where last mounted */ - uint32_t s_algorithm_usage_bitmap; /* For compression */ - /* - * Performance hints. Directory preallocation should only - * happen if the EXT2_COMPAT_PREALLOC flag is on. - */ - uint8_t s_prealloc_blocks; /* Nr of blocks to try to preallocate*/ - uint8_t s_prealloc_dir_blocks; /* Nr to preallocate for dirs */ - uint16_t s_padding1; - /* - * Journaling support valid if EXT3_FEATURE_COMPAT_HAS_JOURNAL set. - */ - uint8_t s_journal_uuid[16]; /* uuid of journal superblock */ - uint32_t s_journal_inum; /* inode number of journal file */ - uint32_t s_journal_dev; /* device number of journal file */ - uint32_t s_last_orphan; /* start of list of inodes to delete */ - uint32_t s_hash_seed[4]; /* HTREE hash seed */ - uint8_t s_def_hash_version; /* Default hash version to use */ - uint8_t s_reserved_char_pad; - uint16_t s_reserved_word_pad; - uint32_t s_default_mount_opts; - uint32_t s_first_meta_bg; /* First metablock block group */ - uint32_t s_reserved[190]; /* Padding to the end of the block */ -}; - -/* - * Codes for operating systems - */ -#define EXT2_OS_LINUX 0 -#define EXT2_OS_HURD 1 -#define EXT2_OS_MASIX 2 -#define EXT2_OS_FREEBSD 3 -#define EXT2_OS_LITES 4 - -/* - * Revision levels - */ -#define EXT2_GOOD_OLD_REV 0 /* The good old (original) format */ -#define EXT2_DYNAMIC_REV 1 /* V2 format w/ dynamic inode sizes */ - -#define EXT2_CURRENT_REV EXT2_GOOD_OLD_REV -#define EXT2_MAX_SUPP_REV EXT2_DYNAMIC_REV - -#define EXT2_GOOD_OLD_INODE_SIZE 128 - -/* - * Feature set definitions - */ - -#define EXT2_HAS_COMPAT_FEATURE(sb,mask) \ - ( EXT2_SB(sb)->s_es->s_feature_compat & cpu_to_le32(mask) ) -#define EXT2_HAS_RO_COMPAT_FEATURE(sb,mask) \ - ( EXT2_SB(sb)->s_es->s_feature_ro_compat & cpu_to_le32(mask) ) -#define EXT2_HAS_INCOMPAT_FEATURE(sb,mask) \ - ( EXT2_SB(sb)->s_es->s_feature_incompat & cpu_to_le32(mask) ) -#define EXT2_SET_COMPAT_FEATURE(sb,mask) \ - EXT2_SB(sb)->s_es->s_feature_compat |= cpu_to_le32(mask) -#define EXT2_SET_RO_COMPAT_FEATURE(sb,mask) \ - EXT2_SB(sb)->s_es->s_feature_ro_compat |= cpu_to_le32(mask) -#define EXT2_SET_INCOMPAT_FEATURE(sb,mask) \ - EXT2_SB(sb)->s_es->s_feature_incompat |= cpu_to_le32(mask) -#define EXT2_CLEAR_COMPAT_FEATURE(sb,mask) \ - EXT2_SB(sb)->s_es->s_feature_compat &= ~cpu_to_le32(mask) -#define EXT2_CLEAR_RO_COMPAT_FEATURE(sb,mask) \ - EXT2_SB(sb)->s_es->s_feature_ro_compat &= ~cpu_to_le32(mask) -#define EXT2_CLEAR_INCOMPAT_FEATURE(sb,mask) \ - EXT2_SB(sb)->s_es->s_feature_incompat &= ~cpu_to_le32(mask) - -#define EXT2_FEATURE_COMPAT_DIR_PREALLOC 0x0001 -#define EXT2_FEATURE_COMPAT_IMAGIC_INODES 0x0002 -#define EXT3_FEATURE_COMPAT_HAS_JOURNAL 0x0004 -#define EXT2_FEATURE_COMPAT_EXT_ATTR 0x0008 -#define EXT2_FEATURE_COMPAT_RESIZE_INO 0x0010 -#define EXT2_FEATURE_COMPAT_DIR_INDEX 0x0020 -#define EXT2_FEATURE_COMPAT_ANY 0xffffffff - -#define EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER 0x0001 -#define EXT2_FEATURE_RO_COMPAT_LARGE_FILE 0x0002 -#define EXT2_FEATURE_RO_COMPAT_BTREE_DIR 0x0004 -#define EXT2_FEATURE_RO_COMPAT_ANY 0xffffffff - -#define EXT2_FEATURE_INCOMPAT_COMPRESSION 0x0001 -#define EXT2_FEATURE_INCOMPAT_FILETYPE 0x0002 -#define EXT3_FEATURE_INCOMPAT_RECOVER 0x0004 -#define EXT3_FEATURE_INCOMPAT_JOURNAL_DEV 0x0008 -#define EXT2_FEATURE_INCOMPAT_META_BG 0x0010 -#define EXT2_FEATURE_INCOMPAT_ANY 0xffffffff - -#define EXT2_FEATURE_COMPAT_SUPP EXT2_FEATURE_COMPAT_EXT_ATTR -#define EXT2_FEATURE_INCOMPAT_SUPP (EXT2_FEATURE_INCOMPAT_FILETYPE| \ - EXT2_FEATURE_INCOMPAT_META_BG) -#define EXT2_FEATURE_RO_COMPAT_SUPP (EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER| \ - EXT2_FEATURE_RO_COMPAT_LARGE_FILE| \ - EXT2_FEATURE_RO_COMPAT_BTREE_DIR) -#define EXT2_FEATURE_RO_COMPAT_UNSUPPORTED ~EXT2_FEATURE_RO_COMPAT_SUPP -#define EXT2_FEATURE_INCOMPAT_UNSUPPORTED ~EXT2_FEATURE_INCOMPAT_SUPP - -/* - * Default values for user and/or group using reserved blocks - */ -#define EXT2_DEF_RESUID 0 -#define EXT2_DEF_RESGID 0 - -/* - * Default mount options - */ -#define EXT2_DEFM_DEBUG 0x0001 -#define EXT2_DEFM_BSDGROUPS 0x0002 -#define EXT2_DEFM_XATTR_USER 0x0004 -#define EXT2_DEFM_ACL 0x0008 -#define EXT2_DEFM_UID16 0x0010 - /* Not used by ext2, but reserved for use by ext3 */ -#define EXT3_DEFM_JMODE 0x0060 -#define EXT3_DEFM_JMODE_DATA 0x0020 -#define EXT3_DEFM_JMODE_ORDERED 0x0040 -#define EXT3_DEFM_JMODE_WBACK 0x0060 - -/* - * Structure of a directory entry - */ -#define EXT2_NAME_LEN 255 - -struct ext2_dir_entry { - uint32_t inode; /* Inode number */ - uint16_t rec_len; /* Directory entry length */ - uint16_t name_len; /* Name length */ - char name[EXT2_NAME_LEN]; /* File name */ -}; - -/* - * The new version of the directory entry. Since EXT2 structures are - * stored in intel byte order, and the name_len field could never be - * bigger than 255 chars, it's safe to reclaim the extra byte for the - * file_type field. - */ -struct ext2_dir_entry_2 { - uint32_t inode; /* Inode number */ - uint16_t rec_len; /* Directory entry length */ - uint8_t name_len; /* Name length */ - uint8_t file_type; - char name[EXT2_NAME_LEN]; /* File name */ -}; - -/* - * Ext2 directory file types. Only the low 3 bits are used. The - * other bits are reserved for now. - */ -enum { - EXT2_FT_UNKNOWN, - EXT2_FT_REG_FILE, - EXT2_FT_DIR, - EXT2_FT_CHRDEV, - EXT2_FT_BLKDEV, - EXT2_FT_FIFO, - EXT2_FT_SOCK, - EXT2_FT_SYMLINK, - EXT2_FT_MAX -}; - -/* - * EXT2_DIR_PAD defines the directory entries boundaries - * - * NOTE: It must be a multiple of 4 - */ -#define EXT2_DIR_PAD 4 -#define EXT2_DIR_ROUND (EXT2_DIR_PAD - 1) -#define EXT2_DIR_REC_LEN(name_len) (((name_len) + 8 + EXT2_DIR_ROUND) & \ - ~EXT2_DIR_ROUND) -#define EXT2_MAX_REC_LEN ((1<<16)-1) - -#endif /* _EXT2_FS_H */ |