-/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
- * vim:expandtab:shiftwidth=8:tabstop=8:
- *
+/*
* GPL HEADER START
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
* GPL HEADER END
*/
/*
- * Copyright 2008 Sun Microsystems, Inc. All rights reserved
+ * Copyright (c) 2008, 2010, Oracle and/or its affiliates. All rights reserved.
* Use is subject to license terms.
+ *
+ * Copyright (c) 2012, Intel Corporation.
*/
/*
* This file is part of Lustre, http://www.lustre.org/
#include <sys/socket.h>
#include <sys/utsname.h>
#include <ctype.h>
+#include <stdbool.h>
#ifdef HAVE_NETDB_H
#include <netdb.h>
#include <libcfs/posix/posix-wordsize.h>
#include <libcfs/user-bitops.h>
-# define do_gettimeofday(tv) gettimeofday(tv, NULL);
-typedef unsigned long long cycles_t;
+# define cfs_gettimeofday(tv) gettimeofday(tv, NULL);
+typedef unsigned long long cfs_cycles_t;
#define IS_ERR(a) ((unsigned long)(a) > (unsigned long)-1000L)
#define PTR_ERR(a) ((long)(a))
typedef struct dirent64 cfs_dirent_t;
#endif
+#define cfs_get_fd(x) NULL
+#define cfs_put_file(f) do {} while (0)
+
#ifdef __linux__
/* Userpace byte flipping */
# include <endian.h>
# define cpu_to_be16(x) bswap_16(x)
# define be32_to_cpu(x) bswap_32(x)
# define cpu_to_be32(x) bswap_32(x)
-# define be64_to_cpu(x) bswap_64(x)
-# define cpu_to_be64(x) bswap_64(x)
+# define be64_to_cpu(x) (__u64)bswap_64(x)
+# define cpu_to_be64(x) (__u64)bswap_64(x)
# else
# if __BYTE_ORDER == __BIG_ENDIAN
# define le16_to_cpu(x) bswap_16(x)
# define cpu_to_le16(x) bswap_16(x)
# define le32_to_cpu(x) bswap_32(x)
# define cpu_to_le32(x) bswap_32(x)
-# define le64_to_cpu(x) bswap_64(x)
-# define cpu_to_le64(x) bswap_64(x)
+# define le64_to_cpu(x) (__u64)bswap_64(x)
+# define cpu_to_le64(x) (__u64)bswap_64(x)
# define be16_to_cpu(x) (x)
# define cpu_to_be16(x) (x)
#define __swab64s(x) do { *(x) = __swab64(*(x)); } while (0)
#endif
+#if !defined(ALIGN)
+#define __ALIGN_MASK(x, mask) (((x) + (mask)) & ~(mask))
+#define ALIGN(x, a) __ALIGN_MASK(x, (typeof(x))(a) - 1)
+#endif
# ifndef THREAD_SIZE /* x86_64 linux has THREAD_SIZE in userspace */
-# define THREAD_SIZE 8192
+# define CFS_THREAD_SIZE 8192
+# else
+# define CFS_THREAD_SIZE THREAD_SIZE
# endif
-#define LUSTRE_TRACE_SIZE (THREAD_SIZE >> 5)
+#define LUSTRE_TRACE_SIZE (CFS_THREAD_SIZE >> 5)
-#define CHECK_STACK() do { } while(0)
+#define CFS_CHECK_STACK(msgdata, mask, cdls) do {} while(0)
#define CDEBUG_STACK() (0L)
/* initial pid */
/**
* Module support (probably shouldn't be used in generic code?)
*/
-struct module {
+typedef struct cfs_module {
int count;
char *name;
-};
+} cfs_module_t;
static inline void MODULE_AUTHOR(char *name)
{
#define __init
#define __exit
-static inline int request_module(char *name)
+#define EXPORT_SYMBOL(symbol)
+
+static inline int cfs_request_module(const char *name, ...)
{
return (-EINVAL);
}
-static inline void __module_get(struct module *module)
+static inline void __cfs_module_get(cfs_module_t *module)
{
}
-static inline int try_module_get(struct module *module)
+static inline int cfs_try_module_get(cfs_module_t *module)
{
return 1;
}
-static inline void module_put(struct module *module)
+static inline void cfs_module_put(cfs_module_t *module)
{
}
-static inline int module_refcount(struct module *m)
+static inline int cfs_module_refcount(cfs_module_t *m)
{
return 1;
}
*
***************************************************************************/
-struct shrinker {
+struct cfs_shrinker {
;
};
-#define DEFAULT_SEEKS (0)
+#define CFS_DEFAULT_SEEKS (0)
-typedef int (*shrinker_t)(int, unsigned int);
+typedef int (*cfs_shrinker_t)(int, unsigned int);
-static inline struct shrinker *set_shrinker(int seeks, shrinker_t shrinkert)
+static inline
+struct cfs_shrinker *cfs_set_shrinker(int seeks, cfs_shrinker_t shrink)
{
- return (struct shrinker *)0xdeadbea1; // Cannot return NULL here
+ return (struct cfs_shrinker *)0xdeadbea1; // Cannot return NULL here
}
-static inline void remove_shrinker(struct shrinker *shrinker)
+static inline void cfs_remove_shrinker(struct cfs_shrinker *shrinker)
{
}
***************************************************************************/
struct radix_tree_root {
- struct list_head list;
+ cfs_list_t list;
void *rnode;
};
struct radix_tree_node {
- struct list_head _node;
+ cfs_list_t _node;
unsigned long index;
void *item;
};
-#define RADIX_TREE_INIT(mask) { \
+#define RADIX_TREE_INIT(mask) { \
NOT_IMPLEMENTED \
}
#define RADIX_TREE(name, mask) \
- struct radix_tree_root name = RADIX_TREE_INIT(mask)
+ struct radix_tree_root name = RADIX_TREE_INIT(mask)
-#define INIT_RADIX_TREE(root, mask) \
-do { \
- CFS_INIT_LIST_HEAD(&((struct radix_tree_root *)root)->list); \
+#define INIT_RADIX_TREE(root, mask) \
+do { \
+ CFS_INIT_LIST_HEAD(&((struct radix_tree_root *)root)->list); \
((struct radix_tree_root *)root)->rnode = NULL; \
} while (0)
CFS_INIT_LIST_HEAD(&node->_node);
node->index = idx;
node->item = item;
- list_add_tail(&node->_node, &root->list);
+ cfs_list_add_tail(&node->_node, &root->list);
root->rnode = (void *)1001;
return 0;
}
{
struct radix_tree_node *node;
- if (list_empty(&root->list))
+ if (cfs_list_empty(&root->list))
return NULL;
cfs_list_for_each_entry_typed(node, &root->list,
if (p == NULL)
return NULL;
- list_del_init(&p->_node);
+ cfs_list_del_init(&p->_node);
item = p->item;
free(p);
- if (list_empty(&root->list))
+ if (cfs_list_empty(&root->list))
root->rnode = NULL;
return item;
{
}
+/***************************************************************************
+ *
+ * Linux kernel red black tree emulation.
+ *
+ ***************************************************************************/
+struct rb_node {
+ unsigned long rb_parent_color;
+#define RB_RED 0
+#define RB_BLACK 1
+ struct rb_node *rb_right;
+ struct rb_node *rb_left;
+};
+
+struct rb_root {
+ struct rb_node *rb_node;
+};
+
+
+#define rb_parent(r) ((struct rb_node *)((r)->rb_parent_color & ~3))
+#define rb_color(r) ((r)->rb_parent_color & 1)
+#define rb_is_red(r) (!rb_color(r))
+#define rb_is_black(r) rb_color(r)
+#define rb_set_red(r) do { (r)->rb_parent_color &= ~1; } while (0)
+#define rb_set_black(r) do { (r)->rb_parent_color |= 1; } while (0)
+
+static inline void rb_set_parent(struct rb_node *rb, struct rb_node *p)
+{
+ rb->rb_parent_color = (rb->rb_parent_color & 3) | (unsigned long)p;
+}
+static inline void rb_set_color(struct rb_node *rb, int color)
+{
+ rb->rb_parent_color = (rb->rb_parent_color & ~1) | color;
+}
+
+#define RB_ROOT ((struct rb_root) { NULL, })
+#define rb_entry(ptr, type, member) container_of(ptr, type, member)
+
+#define RB_EMPTY_ROOT(root) ((root)->rb_node == NULL)
+#define RB_EMPTY_NODE(node) (rb_parent(node) == node)
+#define RB_CLEAR_NODE(node) (rb_set_parent(node, node))
+
+static inline void rb_init_node(struct rb_node *rb)
+{
+ rb->rb_parent_color = 0;
+ rb->rb_right = NULL;
+ rb->rb_left = NULL;
+ RB_CLEAR_NODE(rb);
+}
+
+extern void rb_insert_color(struct rb_node *, struct rb_root *);
+extern void rb_erase(struct rb_node *, struct rb_root *);
+
+/* Find logical next and previous nodes in a tree */
+extern struct rb_node *rb_next(const struct rb_node *);
+extern struct rb_node *rb_prev(const struct rb_node *);
+extern struct rb_node *rb_first(const struct rb_root *);
+extern struct rb_node *rb_last(const struct rb_root *);
+static inline void rb_link_node(struct rb_node *node, struct rb_node *parent,
+ struct rb_node **rb_link)
+{
+ node->rb_parent_color = (unsigned long)parent;
+ node->rb_left = node->rb_right = NULL;
+
+ *rb_link = node;
+}
+
+/***************************************************************************
+ *
+ * End of Linux kernel red black tree emulation.
+ *
+ ***************************************************************************/
+
typedef ssize_t (*read_actor_t)();
-#define CFS_IFTODT(type) (((type) & 0170000) >> 12)
+#define CFS_IFSHIFT 12
+
+#define CFS_IFTODT(type) (((type) & S_IFMT) >> CFS_IFSHIFT)
+#define CFS_DTTOIF(dirtype) ((dirtype) << CFS_IFSHIFT)
+
#endif
git://git.whamcloud.com / fs / lustre-release.git / blobdiff