diff options
Diffstat (limited to 'include/linux/ext2_fs.h')
-rw-r--r-- | include/linux/ext2_fs.h | 191 |
1 files changed, 97 insertions, 94 deletions
diff --git a/include/linux/ext2_fs.h b/include/linux/ext2_fs.h index 8a01bf234..c96a04dc3 100644 --- a/include/linux/ext2_fs.h +++ b/include/linux/ext2_fs.h @@ -1,9 +1,10 @@ /* * linux/include/linux/ext2_fs.h * - * Copyright (C) 1992, 1993, 1994 Remy Card (card@masi.ibp.fr) - * Laboratoire MASI - Institut Blaise Pascal - * Universite Pierre et Marie Curie (Paris VI) + * 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 * @@ -15,6 +16,8 @@ #ifndef _LINUX_EXT2_FS_H #define _LINUX_EXT2_FS_H +#include <linux/types.h> + /* * The second extended filesystem constants/structures */ @@ -47,7 +50,7 @@ /* * The second extended file system version */ -#define EXT2FS_DATE "94/10/23" +#define EXT2FS_DATE "95/03/19" #define EXT2FS_VERSION "0.5a" /* @@ -97,7 +100,7 @@ # define EXT2_BLOCK_SIZE(s) (EXT2_MIN_BLOCK_SIZE << (s)->s_log_block_size) #endif #define EXT2_ACLE_PER_BLOCK(s) (EXT2_BLOCK_SIZE(s) / sizeof (struct ext2_acl_entry)) -#define EXT2_ADDR_PER_BLOCK(s) (EXT2_BLOCK_SIZE(s) / sizeof (unsigned long)) +#define EXT2_ADDR_PER_BLOCK(s) (EXT2_BLOCK_SIZE(s) / sizeof (__u32)) #ifdef __KERNEL__ # define EXT2_BLOCK_SIZE_BITS(s) ((s)->u.ext2_sb.s_es->s_log_block_size + 10) #else @@ -124,20 +127,20 @@ */ struct ext2_acl_header /* Header of Access Control Lists */ { - unsigned long aclh_size; - unsigned long aclh_file_count; - unsigned long aclh_acle_count; - unsigned long aclh_first_acle; + __u32 aclh_size; + __u32 aclh_file_count; + __u32 aclh_acle_count; + __u32 aclh_first_acle; }; struct ext2_acl_entry /* Access Control List Entry */ { - unsigned long acle_size; - unsigned short acle_perms; /* Access permissions */ - unsigned short acle_type; /* Type of entry */ - unsigned short acle_tag; /* User or group identity */ - unsigned short acle_pad1; - unsigned long acle_next; /* Pointer on next entry for the */ + __u32 acle_size; + __u16 acle_perms; /* Access permissions */ + __u16 acle_type; /* Type of entry */ + __u16 acle_tag; /* User or group identity */ + __u16 acle_pad1; + __u32 acle_next; /* Pointer on next entry for the */ /* same inode or on next free entry */ }; @@ -146,23 +149,23 @@ struct ext2_acl_entry /* Access Control List Entry */ */ struct ext2_old_group_desc { - unsigned long bg_block_bitmap; /* Blocks bitmap block */ - unsigned long bg_inode_bitmap; /* Inodes bitmap block */ - unsigned long bg_inode_table; /* Inodes table block */ - unsigned short bg_free_blocks_count; /* Free blocks count */ - unsigned short bg_free_inodes_count; /* Free inodes count */ + __u32 bg_block_bitmap; /* Blocks bitmap block */ + __u32 bg_inode_bitmap; /* Inodes bitmap block */ + __u32 bg_inode_table; /* Inodes table block */ + __u16 bg_free_blocks_count; /* Free blocks count */ + __u16 bg_free_inodes_count; /* Free inodes count */ }; struct ext2_group_desc { - unsigned long bg_block_bitmap; /* Blocks bitmap block */ - unsigned long bg_inode_bitmap; /* Inodes bitmap block */ - unsigned long bg_inode_table; /* Inodes table block */ - unsigned short bg_free_blocks_count; /* Free blocks count */ - unsigned short bg_free_inodes_count; /* Free inodes count */ - unsigned short bg_used_dirs_count; /* Directories count */ - unsigned short bg_pad; - unsigned long bg_reserved[3]; + __u32 bg_block_bitmap; /* Blocks bitmap block */ + __u32 bg_inode_bitmap; /* Inodes bitmap block */ + __u32 bg_inode_table; /* Inodes table block */ + __u16 bg_free_blocks_count; /* Free blocks count */ + __u16 bg_free_inodes_count; /* Free inodes count */ + __u16 bg_used_dirs_count; /* Directories count */ + __u16 bg_pad; + __u32 bg_reserved[3]; }; /* @@ -210,58 +213,58 @@ struct ext2_group_desc * Structure of an inode on the disk */ struct ext2_inode { - unsigned short i_mode; /* File mode */ - unsigned short i_uid; /* Owner Uid */ - unsigned long i_size; /* Size in bytes */ - unsigned long i_atime; /* Access time */ - unsigned long i_ctime; /* Creation time */ - unsigned long i_mtime; /* Modification time */ - unsigned long i_dtime; /* Deletion Time */ - unsigned short i_gid; /* Group Id */ - unsigned short i_links_count; /* Links count */ - unsigned long i_blocks; /* Blocks count */ - unsigned long i_flags; /* File flags */ + __u16 i_mode; /* File mode */ + __u16 i_uid; /* Owner Uid */ + __u32 i_size; /* Size in bytes */ + __u32 i_atime; /* Access time */ + __u32 i_ctime; /* Creation time */ + __u32 i_mtime; /* Modification time */ + __u32 i_dtime; /* Deletion Time */ + __u16 i_gid; /* Group Id */ + __u16 i_links_count; /* Links count */ + __u32 i_blocks; /* Blocks count */ + __u32 i_flags; /* File flags */ union { struct { - unsigned long l_i_reserved1; + __u32 l_i_reserved1; } linux1; struct { - unsigned long h_i_translator; + __u32 h_i_translator; } hurd1; struct { - unsigned long m_i_reserved1; + __u32 m_i_reserved1; } masix1; } osd1; /* OS dependent 1 */ - unsigned long i_block[EXT2_N_BLOCKS];/* Pointers to blocks */ - unsigned long i_version; /* File version (for NFS) */ - unsigned long i_file_acl; /* File ACL */ - unsigned long i_dir_acl; /* Directory ACL */ - unsigned long i_faddr; /* Fragment address */ + __u32 i_block[EXT2_N_BLOCKS];/* Pointers to blocks */ + __u32 i_version; /* File version (for NFS) */ + __u32 i_file_acl; /* File ACL */ + __u32 i_dir_acl; /* Directory ACL */ + __u32 i_faddr; /* Fragment address */ union { struct { - unsigned char l_i_frag; /* Fragment number */ - unsigned char l_i_fsize; /* Fragment size */ - unsigned short i_pad1; - unsigned long l_i_reserved2[2]; + __u8 l_i_frag; /* Fragment number */ + __u8 l_i_fsize; /* Fragment size */ + __u16 i_pad1; + __u32 l_i_reserved2[2]; } linux2; struct { - unsigned char h_i_frag; /* Fragment number */ - unsigned char h_i_fsize; /* Fragment size */ - unsigned short h_i_mode_high; - unsigned short h_i_uid_high; - unsigned short h_i_gid_high; - unsigned long h_i_author; + __u8 h_i_frag; /* Fragment number */ + __u8 h_i_fsize; /* Fragment size */ + __u16 h_i_mode_high; + __u16 h_i_uid_high; + __u16 h_i_gid_high; + __u32 h_i_author; } hurd2; struct { - unsigned char m_i_frag; /* Fragment number */ - unsigned char m_i_fsize; /* Fragment size */ - unsigned short m_pad1; - unsigned long m_i_reserved2[2]; + __u8 m_i_frag; /* Fragment number */ + __u8 m_i_fsize; /* Fragment size */ + __u16 m_pad1; + __u32 m_i_reserved2[2]; } masix2; } osd2; /* OS dependent 2 */ }; -#ifdef __linux__ +#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 @@ -326,32 +329,32 @@ struct ext2_inode { * Structure of the super block */ struct ext2_super_block { - unsigned long s_inodes_count; /* Inodes count */ - unsigned long s_blocks_count; /* Blocks count */ - unsigned long s_r_blocks_count;/* Reserved blocks count */ - unsigned long s_free_blocks_count;/* Free blocks count */ - unsigned long s_free_inodes_count;/* Free inodes count */ - unsigned long s_first_data_block;/* First Data Block */ - unsigned long s_log_block_size;/* Block size */ - long s_log_frag_size; /* Fragment size */ - unsigned long s_blocks_per_group;/* # Blocks per group */ - unsigned long s_frags_per_group;/* # Fragments per group */ - unsigned long s_inodes_per_group;/* # Inodes per group */ - unsigned long s_mtime; /* Mount time */ - unsigned long s_wtime; /* Write time */ - unsigned short s_mnt_count; /* Mount count */ - short s_max_mnt_count; /* Maximal mount count */ - unsigned short s_magic; /* Magic signature */ - unsigned short s_state; /* File system state */ - unsigned short s_errors; /* Behaviour when detecting errors */ - unsigned short s_pad; - unsigned long s_lastcheck; /* time of last check */ - unsigned long s_checkinterval; /* max. time between checks */ - unsigned long s_creator_os; /* OS */ - unsigned long s_rev_level; /* Revision level */ - unsigned short s_def_resuid; /* Default uid for reserved blocks */ - unsigned short s_def_resgid; /* Default gid for reserved blocks */ - unsigned long s_reserved[235]; /* Padding to the end of the block */ + __u32 s_inodes_count; /* Inodes count */ + __u32 s_blocks_count; /* Blocks count */ + __u32 s_r_blocks_count; /* Reserved blocks count */ + __u32 s_free_blocks_count; /* Free blocks count */ + __u32 s_free_inodes_count; /* Free inodes count */ + __u32 s_first_data_block; /* First Data Block */ + __u32 s_log_block_size; /* Block size */ + __s32 s_log_frag_size; /* Fragment size */ + __u32 s_blocks_per_group; /* # Blocks per group */ + __u32 s_frags_per_group; /* # Fragments per group */ + __u32 s_inodes_per_group; /* # Inodes per group */ + __u32 s_mtime; /* Mount time */ + __u32 s_wtime; /* Write time */ + __u16 s_mnt_count; /* Mount count */ + __s16 s_max_mnt_count; /* Maximal mount count */ + __u16 s_magic; /* Magic signature */ + __u16 s_state; /* File system state */ + __u16 s_errors; /* Behaviour when detecting errors */ + __u16 s_pad; + __u32 s_lastcheck; /* time of last check */ + __u32 s_checkinterval; /* max. time between checks */ + __u32 s_creator_os; /* OS */ + __u32 s_rev_level; /* Revision level */ + __u16 s_def_resuid; /* Default uid for reserved blocks */ + __u16 s_def_resgid; /* Default gid for reserved blocks */ + __u32 s_reserved[235]; /* Padding to the end of the block */ }; #define EXT2_OS_LINUX 0 @@ -369,10 +372,10 @@ struct ext2_super_block { #define EXT2_NAME_LEN 255 struct ext2_dir_entry { - unsigned long inode; /* Inode number */ - unsigned short rec_len; /* Directory entry length */ - unsigned short name_len; /* Name length */ - char name[EXT2_NAME_LEN]; /* File name */ + __u32 inode; /* Inode number */ + __u16 rec_len; /* Directory entry length */ + __u16 name_len; /* Name length */ + char name[EXT2_NAME_LEN]; /* File name */ }; /* @@ -409,7 +412,7 @@ extern int ext2_permission (struct inode *, int); /* balloc.c */ extern int ext2_new_block (struct super_block *, unsigned long, - unsigned long *, unsigned long *); + __u32 *, __u32 *); extern void ext2_free_blocks (struct super_block *, unsigned long, unsigned long); extern unsigned long ext2_count_free_blocks (struct super_block *); @@ -479,7 +482,7 @@ extern void ext2_put_super (struct super_block *); extern void ext2_write_super (struct super_block *); extern int ext2_remount (struct super_block *, int *, char *); extern struct super_block * ext2_read_super (struct super_block *,void *,int); -extern void ext2_statfs (struct super_block *, struct statfs *); +extern void ext2_statfs (struct super_block *, struct statfs *, int); /* truncate.c */ extern void ext2_truncate (struct inode *); |