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-rw-r--r--include/linux/ext2_fs.h191
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 *);