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Merge branch 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6

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* 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6:
  [IA64] tioca: Fix assignment from incompatible pointer warnings
  [IA64] mca.c: Fix cast from integer to pointer warning
  [IA64] setup.c Typo fix "Architechtuallly"
  [IA64] Add CONFIG_MISC_DEVICES=y to configs that need it.
  [IA64] disable interrupts at end of ia64_mca_cpe_int_handler()
  [IA64] Add DMA_ERROR_CODE define.
  pstore: fix build warning for unused return value from sysfs_create_file
  pstore: X86 platform interface using ACPI/APEI/ERST
  pstore: new filesystem interface to platform persistent storage
This commit is contained in:
Linus Torvalds 2011-03-16 19:01:29 -07:00
commit 242e5d06be
19 changed files with 766 additions and 3 deletions
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1
include/linux/magic.h
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@ -27,6 +27,7 @@
#define ISOFS_SUPER_MAGIC 0x9660
#define JFFS2_SUPER_MAGIC 0x72b6
#define ANON_INODE_FS_MAGIC 0x09041934
#define PSTOREFS_MAGIC 0x6165676C
#define MINIX_SUPER_MAGIC 0x137F /* original minix fs */
#define MINIX_SUPER_MAGIC2 0x138F /* minix fs, 30 char names */

60
include/linux/pstore.h Normal file
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@ -0,0 +1,60 @@
/*
* Persistent Storage - pstore.h
*
* Copyright (C) 2010 Intel Corporation <tony.luck@intel.com>
*
* This code is the generic layer to export data records from platform
* level persistent storage via a file system.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef _LINUX_PSTORE_H
#define _LINUX_PSTORE_H
/* types */
enum pstore_type_id {
PSTORE_TYPE_DMESG = 0,
PSTORE_TYPE_MCE = 1,
PSTORE_TYPE_UNKNOWN = 255
};
struct pstore_info {
struct module *owner;
char *name;
struct mutex buf_mutex; /* serialize access to 'buf' */
char *buf;
size_t bufsize;
size_t (*read)(u64 *id, enum pstore_type_id *type,
struct timespec *time);
u64 (*write)(enum pstore_type_id type, size_t size);
int (*erase)(u64 id);
};
#ifdef CONFIG_PSTORE
extern int pstore_register(struct pstore_info *);
extern int pstore_write(enum pstore_type_id type, char *buf, size_t size);
#else
static inline int
pstore_register(struct pstore_info *psi)
{
return -ENODEV;
}
static inline int
pstore_write(enum pstore_type_id type, char *buf, size_t size)
{
return -ENODEV;
}
#endif
#endif /*_LINUX_PSTORE_H*/