mirror of https://github.com/Qortal/Brooklyn
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
43 lines
967 B
43 lines
967 B
/* SPDX-License-Identifier: GPL-2.0 */ |
|
/* |
|
* linux/include/linux/ext2_fs.h |
|
* |
|
* Copyright (C) 1992, 1993, 1994, 1995 |
|
* Remy Card ([email protected]) |
|
* 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 _LINUX_EXT2_FS_H |
|
#define _LINUX_EXT2_FS_H |
|
|
|
#include <linux/types.h> |
|
#include <linux/magic.h> |
|
|
|
#define EXT2_NAME_LEN 255 |
|
|
|
/* |
|
* Maximal count of links to a file |
|
*/ |
|
#define EXT2_LINK_MAX 32000 |
|
|
|
#define EXT2_SB_MAGIC_OFFSET 0x38 |
|
#define EXT2_SB_BLOCKS_OFFSET 0x04 |
|
#define EXT2_SB_BSIZE_OFFSET 0x18 |
|
|
|
static inline u64 ext2_image_size(void *ext2_sb) |
|
{ |
|
__u8 *p = ext2_sb; |
|
if (*(__le16 *)(p + EXT2_SB_MAGIC_OFFSET) != cpu_to_le16(EXT2_SUPER_MAGIC)) |
|
return 0; |
|
return (u64)le32_to_cpup((__le32 *)(p + EXT2_SB_BLOCKS_OFFSET)) << |
|
le32_to_cpup((__le32 *)(p + EXT2_SB_BSIZE_OFFSET)); |
|
} |
|
|
|
#endif /* _LINUX_EXT2_FS_H */
|
|
|