diff options
| author |   Yunhong Jiang <yunhong.jiang@intel.com> | 2015-08-04 12:17:53 -0700 |
|---|---|---|
| committer | Yunhong Jiang <yunhong.jiang@intel.com> | 2015-08-04 15:44:42 -0700 |
| commit | 9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00 (patch) | |
| tree | 1c9cafbcd35f783a87880a10f85d1a060db1a563 /kernel/include/linux/adfs_fs.h | |
| parent | 98260f3884f4a202f9ca5eabed40b1354c489b29 (diff) | |
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 <bigeasy@linutronix.de>
Date: Sat Jul 25 12:13:34 2015 +0200
Prepare v4.1.3-rt3
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
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 <yunhong.jiang@intel.com>
Diffstat (limited to 'kernel/include/linux/adfs_fs.h')
| -rw-r--r-- | kernel/include/linux/adfs_fs.h | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/kernel/include/linux/adfs_fs.h b/kernel/include/linux/adfs_fs.h new file mode 100644 index 000000000..0d991071a --- /dev/null +++ b/kernel/include/linux/adfs_fs.h @@ -0,0 +1,23 @@ +#ifndef _ADFS_FS_H +#define _ADFS_FS_H + +#include <uapi/linux/adfs_fs.h> + +/* + * Calculate the boot block checksum on an ADFS drive. Note that this will + * appear to be correct if the sector contains all zeros, so also check that + * the disk size is non-zero!!! + */ +static inline int adfs_checkbblk(unsigned char *ptr) +{ + unsigned int result = 0; + unsigned char *p = ptr + 511; + + do { + result = (result & 0xff) + (result >> 8); + result = result + *--p; + } while (p != ptr); + + return (result & 0xff) != ptr[511]; +} +#endif |