-/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
- * vim:expandtab:shiftwidth=8:tabstop=8:
+/*
+ * GPL HEADER START
*
- * Copyright (C) 2001, 2002 Cluster File Systems, Inc.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
- * This file is part of Lustre, http://www.lustre.org.
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 only,
+ * as published by the Free Software Foundation.
*
- * Lustre is free software; you can redistribute it and/or
- * modify it under the terms of version 2 of the GNU General Public
- * License 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 version 2 for more details (a copy is included
+ * in the LICENSE file that accompanied this code).
*
- * Lustre 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
+ * version 2 along with this program; If not, see
+ * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
*
- * You should have received a copy of the GNU General Public License
- * along with Lustre; if not, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
*
+ * GPL HEADER END
+ */
+/*
+ * Copyright (c) 1999, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Use is subject to license terms.
+ *
+ * Copyright (c) 2011, Whamcloud, Inc.
+ */
+/*
+ * This file is part of Lustre, http://www.lustre.org/
+ * Lustre is a trademark of Sun Microsystems, Inc.
*/
#ifndef _LINUX_OBD_SUPPORT
#endif
#ifdef __KERNEL__
-#ifdef HAVE_KERNEL_CONFIG_H
-#include <linux/config.h>
-#endif
-#include <linux/autoconf.h>
+#include <asm/cpufeature.h>
+#include <asm/processor.h>
+#include <linux/seq_file.h>
+#include <linux/module.h>
#include <linux/slab.h>
#include <linux/highmem.h>
+#include <linux/swap.h>
#endif
-#include <libcfs/kp30.h>
+#include <libcfs/libcfs.h>
#include <linux/lustre_compat25.h>
+#include <lustre/lustre_idl.h>
-/* Prefer the kernel's version, if it exports it, because it might be
- * optimized for this CPU. */
-#if defined(__KERNEL__) && (defined(CONFIG_CRC32) || defined(CONFIG_CRC32_MODULE))
-# include <linux/crc32.h>
-#else
-/* crc32_le lifted from the Linux kernel, which had the following to say:
- *
- * This code is in the public domain; copyright abandoned.
- * Liability for non-performance of this code is limited to the amount
- * you paid for it. Since it is distributed for free, your refund will
- * be very very small. If it breaks, you get to keep both pieces.
- */
-#define CRCPOLY_LE 0xedb88320
-/**
- * crc32_le() - Calculate bitwise little-endian Ethernet AUTODIN II CRC32
- * @crc - seed value for computation. ~0 for Ethernet, sometimes 0 for
- * other uses, or the previous crc32 value if computing incrementally.
- * @p - pointer to buffer over which CRC is run
- * @len - length of buffer @p
- */
-static inline __u32 crc32_le(__u32 crc, unsigned char const *p, size_t len)
-{
- int i;
- while (len--) {
- crc ^= *p++;
- for (i = 0; i < 8; i++)
- crc = (crc >> 1) ^ ((crc & 1) ? CRCPOLY_LE : 0);
- }
- return crc;
-}
-#endif
#ifdef __KERNEL__
# include <linux/types.h>
# include <linux/blkdev.h>
# include <lvfs.h>
-
-#define OBD_FAIL_WRITE(obd, id, sb) \
-{ \
- if (OBD_FAIL_CHECK(id)) { \
- BDEVNAME_DECLARE_STORAGE(tmp); \
- CERROR("obd_fail_loc=%x, fail write operation on %s\n", \
- id, ll_bdevname(sb, tmp)); \
- lvfs_set_rdonly(obd, sb); \
- /* We set FAIL_ONCE because we never "un-fail" a device */ \
- obd_fail_loc |= OBD_FAILED | OBD_FAIL_ONCE; \
- } \
-}
-
-#define OBD_SLEEP_ON(wq, state) wait_event_interruptible(wq, state)
-
-
#else /* !__KERNEL__ */
# define LTIME_S(time) (time)
/* for obd_class.h */
git://git.whamcloud.com / fs / lustre-release.git / blobdiff