/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
* vim:expandtab:shiftwidth=8:tabstop=8:
*
- * Copyright (C) 2001 Cluster File Systems, Inc. <braam@clusterfs.com>
+ * GPL HEADER START
*
- * This file is part of Lustre, http://www.lustre.org.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
- * 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 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 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.
+ * 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).
*
- * 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.
+ * 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
*
- * Basic Lustre library routines.
+ * 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) 2001, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Use is subject to license terms.
+ */
+/*
+ * This file is part of Lustre, http://www.lustre.org/
+ * Lustre is a trademark of Sun Microsystems, Inc.
+ *
+ * lustre/include/linux/lustre_lib.h
+ *
+ * Basic Lustre library routines.
*/
-#ifndef _LUSTRE_LIB_H
-#define _LUSTRE_LIB_H
+#ifndef _LINUX_LUSTRE_LIB_H
+#define _LINUX_LUSTRE_LIB_H
-#include <asm/types.h>
+#ifndef _LUSTRE_LIB_H
+#error Do not #include this file directly. #include <lustre_lib.h> instead
+#endif
#ifndef __KERNEL__
# include <string.h>
+# include <sys/types.h>
+#else
+# include <linux/rwsem.h>
+# include <linux/sched.h>
+# include <linux/signal.h>
+# include <linux/types.h>
#endif
+#include <linux/lustre_compat25.h>
-#ifdef __KERNEL__
-/* page.c */
-inline void lustre_put_page(struct page *page);
-struct page *lustre_get_page_read(struct inode *dir, unsigned long index);
-struct page *lustre_get_page_write(struct inode *dir, unsigned long index);
-int lustre_commit_page(struct page *page, unsigned from, unsigned to);
-
-/* simple.c */
-struct obd_run_ctxt;
-void push_ctxt(struct obd_run_ctxt *save, struct obd_run_ctxt *new);
-void pop_ctxt(struct obd_run_ctxt *saved);
-int simple_mkdir(struct dentry *dir, char *name, int mode);
-int lustre_fread(struct file *file, char *str, int len, loff_t *off);
-int lustre_fwrite(struct file *file, const char *str, int len, loff_t *off);
-int lustre_fsync(struct file *file);
+#ifndef LP_POISON
+#if BITS_PER_LONG > 32
+# define LI_POISON ((int)0x5a5a5a5a5a5a5a5a)
+# define LL_POISON ((long)0x5a5a5a5a5a5a5a5a)
+# define LP_POISON ((void *)(long)0x5a5a5a5a5a5a5a5a)
+#else
+# define LI_POISON ((int)0x5a5a5a5a)
+# define LL_POISON ((long)0x5a5a5a5a)
+# define LP_POISON ((void *)(long)0x5a5a5a5a)
+#endif
+#endif
-#define ASSERT_MAX_SIZE_MB 50000ULL
-#define ASSERT_PAGE_INDEX(index, OP) \
-do { if (index > ASSERT_MAX_SIZE_MB << (20 - PAGE_SHIFT)) { \
- CERROR("bad page index %lu > %Lu\n", index, \
- ASSERT_MAX_SIZE_MB << (20 - PAGE_SHIFT)); \
- portal_debug = ~0UL; \
- OP; \
-}} while(0)
+/* This macro is only for compatibility reasons with older Linux Lustre user
+ * tools. New ioctls should NOT use this macro as the ioctl "size". Instead
+ * the ioctl should get a "size" argument which is the actual data type used
+ * by the ioctl, to ensure the ioctl interface is versioned correctly. */
+#define OBD_IOC_DATA_TYPE long
-#define ASSERT_FILE_OFFSET(offset, OP) \
-do { if (offset > ASSERT_MAX_SIZE_MB << 20) { \
- CERROR("bad file offset %Lu > %Lu\n", offset, \
- ASSERT_MAX_SIZE_MB << 20); \
- portal_debug = ~0UL; \
- OP; \
-}} while(0)
+#define LUSTRE_FATAL_SIGS (sigmask(SIGKILL) | sigmask(SIGINT) | \
+ sigmask(SIGTERM) | sigmask(SIGQUIT) | \
+ sigmask(SIGALRM))
-static inline void ll_sleep(int t)
+#ifdef __KERNEL__
+/* initialize ost_lvb according to inode */
+static inline void inode_init_lvb(struct inode *inode, struct ost_lvb *lvb)
{
- set_current_state(TASK_INTERRUPTIBLE);
- schedule_timeout(t * HZ);
- set_current_state(TASK_RUNNING);
+ lvb->lvb_size = i_size_read(inode);
+ lvb->lvb_blocks = inode->i_blocks;
+ lvb->lvb_mtime = LTIME_S(inode->i_mtime);
+ lvb->lvb_atime = LTIME_S(inode->i_atime);
+ lvb->lvb_ctime = LTIME_S(inode->i_ctime);
}
+#else
+/* defined in liblustre/llite_lib.h */
#endif
-#include <linux/portals_lib.h>
-
#endif /* _LUSTRE_LIB_H */
git://git.whamcloud.com / fs / lustre-release.git / blobdiff