add directory Linux-0.98

Linux-0.98/Yggdrasil-0.98.3/usr/include/linux/ext_fs.h

@@ -0,0 +1,112 @@
+#ifndef _LINUX_EXT_FS_H
+#define _LINUX_EXT_FS_H
+
+/*
+ * The ext filesystem constants/structures
+ */
+
+#define EXT_NAME_LEN 255
+#define EXT_ROOT_INO 1
+
+#define EXT_SUPER_MAGIC 0x137D
+
+#define EXT_INODES_PER_BLOCK ((BLOCK_SIZE)/(sizeof (struct ext_inode)))
+
+struct ext_inode {
+	unsigned short i_mode;
+	unsigned short i_uid;
+	unsigned long i_size;
+	unsigned long i_time;
+	unsigned short i_gid;
+	unsigned short i_nlinks;
+	unsigned long i_zone[12];
+};
+
+struct ext_free_inode {
+	unsigned long count;
+	unsigned long free[14];
+	unsigned long next;
+};
+
+struct ext_free_block {
+	unsigned long count;
+	unsigned long free[254];
+	unsigned long next;
+};
+
+struct ext_super_block {
+	unsigned long s_ninodes;
+	unsigned long s_nzones;
+	unsigned long s_firstfreeblock;
+	unsigned long s_freeblockscount;
+	unsigned long s_firstfreeinode;
+	unsigned long s_freeinodescount;
+	unsigned long s_firstdatazone;
+	unsigned long s_log_zone_size;
+	unsigned long s_max_size;
+	unsigned long s_reserved1;
+	unsigned long s_reserved2;
+	unsigned long s_reserved3;
+	unsigned long s_reserved4;
+	unsigned long s_reserved5;
+	unsigned short s_magic;
+};
+
+struct ext_dir_entry {
+	unsigned long inode;
+	unsigned short rec_len;
+	unsigned short name_len;
+	char name[EXT_NAME_LEN];
+};
+
+extern int ext_open(struct inode * inode, struct file * filp);
+extern void ext_release(struct inode * inode, struct file * filp);
+extern int ext_lookup(struct inode * dir,const char * name, int len,
+	struct inode ** result);
+extern int ext_create(struct inode * dir,const char * name, int len, int mode,
+	struct inode ** result);
+extern int ext_mkdir(struct inode * dir, const char * name, int len, int mode);
+extern int ext_rmdir(struct inode * dir, const char * name, int len);
+extern int ext_unlink(struct inode * dir, const char * name, int len);
+extern int ext_symlink(struct inode * inode, const char * name, int len,
+	const char * symname);
+extern int ext_link(struct inode * oldinode, struct inode * dir, const char * name, int len);
+extern int ext_mknod(struct inode * dir, const char * name, int len, int mode, int rdev);
+extern int ext_rename(struct inode * old_dir, const char * old_name, int old_len,
+	struct inode * new_dir, const char * new_name, int new_len);
+extern struct inode * ext_new_inode(struct super_block * sb);
+extern void ext_free_inode(struct inode * inode);
+extern unsigned long ext_count_free_inodes(struct super_block *sb);
+extern int ext_new_block(struct super_block * sb);
+extern void ext_free_block(struct super_block * sb, int block);
+extern unsigned long ext_count_free_blocks(struct super_block *sb);
+
+extern int ext_bmap(struct inode *,int);
+
+extern struct buffer_head * ext_getblk(struct inode *, int, int);
+extern struct buffer_head * ext_bread(struct inode *, int, int);
+
+extern void ext_truncate(struct inode *);
+extern void ext_put_super(struct super_block *);
+extern void ext_write_super(struct super_block *);
+extern struct super_block *ext_read_super(struct super_block *,void *);
+extern void ext_read_inode(struct inode *);
+extern void ext_write_inode(struct inode *);
+extern void ext_put_inode(struct inode *);
+extern void ext_statfs(struct super_block *, struct statfs *);
+
+extern int ext_lseek(struct inode *, struct file *, off_t, int);
+extern int ext_read(struct inode *, struct file *, char *, int);
+extern int ext_write(struct inode *, struct file *, char *, int);
+
+extern struct inode_operations ext_file_inode_operations;
+extern struct inode_operations ext_dir_inode_operations;
+extern struct inode_operations ext_symlink_inode_operations;
+extern struct inode_operations ext_chrdev_inode_operations;
+extern struct inode_operations ext_blkdev_inode_operations;
+extern struct inode_operations ext_fifo_inode_operations;
+
+extern struct file_operations ext_file_operations;
+extern struct file_operations ext_dir_operations;
+
+#endif