From 9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00 Mon Sep 17 00:00:00 2001 From: Yunhong Jiang Date: Tue, 4 Aug 2015 12:17:53 -0700 Subject: Add the rt linux 4.1.3-rt3 as base Import the rt linux 4.1.3-rt3 as OPNFV kvm base. It's from git://git.kernel.org/pub/scm/linux/kernel/git/rt/linux-rt-devel.git linux-4.1.y-rt and the base is: commit 0917f823c59692d751951bf5ea699a2d1e2f26a2 Author: Sebastian Andrzej Siewior Date: Sat Jul 25 12:13:34 2015 +0200 Prepare v4.1.3-rt3 Signed-off-by: Sebastian Andrzej Siewior We lose all the git history this way and it's not good. We should apply another opnfv project repo in future. Change-Id: I87543d81c9df70d99c5001fbdf646b202c19f423 Signed-off-by: Yunhong Jiang --- kernel/include/linux/ext2_fs.h | 42 ++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 42 insertions(+) create mode 100644 kernel/include/linux/ext2_fs.h (limited to 'kernel/include/linux/ext2_fs.h') diff --git a/kernel/include/linux/ext2_fs.h b/kernel/include/linux/ext2_fs.h new file mode 100644 index 000000000..2723e715f --- /dev/null +++ b/kernel/include/linux/ext2_fs.h @@ -0,0 +1,42 @@ +/* + * linux/include/linux/ext2_fs.h + * + * 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 + * + * linux/include/linux/minix_fs.h + * + * Copyright (C) 1991, 1992 Linus Torvalds + */ + +#ifndef _LINUX_EXT2_FS_H +#define _LINUX_EXT2_FS_H + +#include +#include + +#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 */ -- cgit 1.2.3-korg