kernel_optimize_test/fs/adfs/dir_fplus.h
Russell King ae5df41390 fs/adfs: dir: modernise on-disk directory structures
Use __u8 and pack the structures for on-disk directories.

Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2020-01-20 20:12:41 -05:00

43 lines
976 B
C

/* SPDX-License-Identifier: GPL-2.0-only */
/*
* linux/fs/adfs/dir_fplus.h
*
* Copyright (C) 1999 Russell King
*
* Structures of directories on the F+ format disk
*/
#define ADFS_FPLUS_NAME_LEN 255
#define BIGDIRSTARTNAME ('S' | 'B' << 8 | 'P' << 16 | 'r' << 24)
#define BIGDIRENDNAME ('o' | 'v' << 8 | 'e' << 16 | 'n' << 24)
struct adfs_bigdirheader {
__u8 startmasseq;
__u8 bigdirversion[3];
__le32 bigdirstartname;
__le32 bigdirnamelen;
__le32 bigdirsize;
__le32 bigdirentries;
__le32 bigdirnamesize;
__le32 bigdirparent;
char bigdirname[1];
} __attribute__((packed, aligned(4)));
struct adfs_bigdirentry {
__le32 bigdirload;
__le32 bigdirexec;
__le32 bigdirlen;
__le32 bigdirindaddr;
__le32 bigdirattr;
__le32 bigdirobnamelen;
__le32 bigdirobnameptr;
} __attribute__((packed, aligned(4)));
struct adfs_bigdirtail {
__le32 bigdirendname;
__u8 bigdirendmasseq;
__u8 reserved[2];
__u8 bigdircheckbyte;
} __attribute__((packed, aligned(4)));