+/* -*- 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>
+ *
+ * This file is part of Lustre, http://www.lustre.org.
+ *
+ * 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.
+ *
+ * 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
+ * along with Lustre; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ * Basic Lustre library routines.
+ *
+ */
+
#ifndef _LUSTRE_LIB_H
#define _LUSTRE_LIB_H
# include <string.h>
#endif
-#undef MIN
-#define MIN(a,b) (((a)<(b)) ? (a): (b))
-#undef MAX
-#define MAX(a,b) (((a)>(b)) ? (a): (b))
-#define MKSTR(ptr) ((ptr))? (ptr) : ""
-
-static inline int size_round (int val)
-{
- return (val + 3) & (~0x3);
-}
-
-static inline size_t round_strlen(char *fset)
-{
- return size_round(strlen(fset) + 1);
-}
-
-#ifdef __KERNEL__
-static inline char *strdup(char *str)
-{
- char *tmp = kmalloc(strlen(str) + 1, GFP_KERNEL);
- if (tmp)
- memcpy(tmp, str, strlen(str) + 1);
-
- return NULL;
-}
-#endif
-
#ifdef __KERNEL__
-# define NTOH__u32(var) le32_to_cpu(var)
-# define NTOH__u64(var) le64_to_cpu(var)
-# define HTON__u32(var) cpu_to_le32(var)
-# define HTON__u64(var) cpu_to_le64(var)
-#else
-# include <glib.h>
-# define NTOH__u32(var) GUINT32_FROM_LE(var)
-# define NTOH__u64(var) GUINT64_FROM_LE(var)
-# define HTON__u32(var) GUINT32_TO_LE(var)
-# define HTON__u64(var) GUINT64_TO_LE(var)
+/* 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);
#endif
-/*
- * copy sizeof(type) bytes from pointer to var and move ptr forward.
- * return EFAULT if pointer goes beyond end
- */
-#define UNLOGV(var,type,ptr,end) \
-do { \
- var = *(type *)ptr; \
- ptr += sizeof(type); \
- if (ptr > end ) \
- return -EFAULT; \
-} while (0)
-
-/* the following two macros convert to little endian */
-/* type MUST be __u32 or __u64 */
-#define LUNLOGV(var,type,ptr,end) \
-do { \
- var = NTOH##type(*(type *)ptr); \
- ptr += sizeof(type); \
- if (ptr > end ) \
- return -EFAULT; \
-} while (0)
-
-/* now log values */
-#define LOGV(var,type,ptr) \
-do { \
- *((type *)ptr) = var; \
- ptr += sizeof(type); \
-} while (0)
-
-/* and in network order */
-#define LLOGV(var,type,ptr) \
-do { \
- *((type *)ptr) = HTON##type(var); \
- ptr += sizeof(type); \
-} while (0)
-
-
-/*
- * set var to point at (type *)ptr, move ptr forward with sizeof(type)
- * return from function with EFAULT if ptr goes beyond end
- */
-#define UNLOGP(var,type,ptr,end) \
-do { \
- var = (type *)ptr; \
- ptr += sizeof(type); \
- if (ptr > end ) \
- return -EFAULT; \
-} while (0)
-
-#define LOGP(var,type,ptr) \
-do { \
- memcpy(ptr, var, sizeof(type)); \
- ptr += sizeof(type); \
-} while (0)
-
-/*
- * set var to point at (char *)ptr, move ptr forward by size_round(len);
- * return from function with EFAULT if ptr goes beyond end
- */
-#define UNLOGL(var,type,len,ptr,end) \
-do { \
- var = (type *)ptr; \
- ptr += size_round(len * sizeof(type)); \
- if (ptr > end ) \
- return -EFAULT; \
-} while (0)
-
-
-#define LOGL(var,len,ptr) \
-do { \
- memcpy((char *)ptr, (const char *)var, len); \
- ptr += size_round(len); \
-} while (0)
+#include <linux/portals_lib.h>
#endif /* _LUSTRE_LIB_H */
git://git.whamcloud.com / fs / lustre-release.git / blobdiff