-/* -*- 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) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
* Use is subject to license terms.
+ *
+ * Copyright (c) 2011, 2012, Whamcloud, Inc.
*/
/*
* This file is part of Lustre, http://www.lustre.org/
#ifndef LIBLUSTRE_H__
#define LIBLUSTRE_H__
+/** \defgroup liblustre liblustre
+ *
+ * @{
+ */
+#include <fcntl.h>
+#include <sys/queue.h>
+
#ifdef __KERNEL__
#error Kernel files should not #include <liblustre.h>
#endif
#define loff_t long long
#define ERESTART 2001
-typedef unsigned short umode_t;
+typedef unsigned short cfs_umode_t;
#endif
-/* always adopt 2.5 definitions */
-#define KERNEL_VERSION(a,b,c) ((a)*100+(b)*10+c)
-#define LINUX_VERSION_CODE KERNEL_VERSION(2,6,5)
-
#ifndef page_private
#define page_private(page) ((page)->private)
#define set_page_private(page, v) ((page)->private = (v))
static __inline__ int ext2_set_bit(int nr, void *addr)
{
#ifdef __BIG_ENDIAN
- return set_bit((nr ^ ((BITS_PER_LONG-1) & ~0x7)), addr);
+ return cfs_set_bit((nr ^ ((BITS_PER_LONG-1) & ~0x7)), addr);
#else
- return set_bit(nr, addr);
+ return cfs_set_bit(nr, addr);
#endif
}
static __inline__ int ext2_clear_bit(int nr, void *addr)
{
#ifdef __BIG_ENDIAN
- return clear_bit((nr ^ ((BITS_PER_LONG-1) & ~0x7)), addr);
+ return cfs_clear_bit((nr ^ ((BITS_PER_LONG-1) & ~0x7)), addr);
#else
- return clear_bit(nr, addr);
+ return cfs_clear_bit(nr, addr);
#endif
}
__const__ unsigned char *tmp = (__const__ unsigned char *) addr;
return (tmp[nr >> 3] >> (nr & 7)) & 1;
#else
- return test_bit(nr, addr);
+ return cfs_test_bit(nr, addr);
#endif
}
/* general stuff */
-#define EXPORT_SYMBOL(S)
-
-struct rcu_head { };
-
-typedef __u64 kdev_t;
-
+#ifndef min
#define min(x,y) ((x)<(y) ? (x) : (y))
+#endif
+
+#ifndef max
#define max(x,y) ((x)>(y) ? (x) : (y))
+#endif
#ifndef min_t
#define min_t(type,x,y) \
#ifndef ERESTARTSYS
#define ERESTARTSYS ERESTART
#endif
-#define HZ 1
+#define CFS_HZ 1
/* random */
-void get_random_bytes(void *ptr, int size);
+void cfs_get_random_bytes(void *ptr, int size);
/* memory */
/* memory size: used for some client tunables */
-#define num_physpages (256 * 1024) /* 1GB */
-#define CFS_NUM_CACHEPAGES num_physpages
+#define cfs_num_physpages (256 * 1024) /* 1GB */
+#define CFS_NUM_CACHEPAGES cfs_num_physpages
/* VFS stuff */
#define ATTR_BLOCKS 0x4000
#define ATTR_KILL_SUID 0
#define ATTR_KILL_SGID 0
+#define ATTR_FILE 0
struct iattr {
unsigned int ia_valid;
- umode_t ia_mode;
+ cfs_umode_t ia_mode;
uid_t ia_uid;
gid_t ia_gid;
loff_t ia_size;
unsigned int ia_attr_flags;
};
-#define ll_iattr iattr
-
-#define IT_OPEN 0x0001
-#define IT_CREAT 0x0002
-#define IT_READDIR 0x0004
-#define IT_GETATTR 0x0008
-#define IT_LOOKUP 0x0010
-#define IT_UNLINK 0x0020
-#define IT_GETXATTR 0x0040
-#define IT_EXEC 0x0080
-#define IT_PIN 0x0100
-
-#define IT_FL_LOCKED 0x0001
-#define IT_FL_FOLLOWED 0x0002 /* set by vfs_follow_link */
-
+/* defined in kernel header include/linux/namei.h */
#define INTENT_MAGIC 0x19620323
struct lustre_intent_data {
__u64 it_lock_handle;
void *it_data;
int it_lock_mode;
- int it_int_flags;
};
struct lookup_intent {
int it_magic;
int signal;
};
+#undef LL_TASK_CL_ENV
+#define LL_TASK_CL_ENV cl_env
+
struct task_struct {
int state;
struct signal pending;
int max_groups;
int ngroups;
gid_t *groups;
+ void *cl_env;
__u32 cap_effective;
};
#define cfs_current() current
#define cfs_curproc_pid() (current->pid)
#define cfs_curproc_comm() (current->comm)
+#define cfs_curproc_fsuid() (current->fsuid)
+#define cfs_curproc_fsgid() (current->fsgid)
extern struct task_struct *current;
-int in_group_p(gid_t gid);
+int cfs_curproc_is_in_groups(gid_t gid);
-#define set_current_state(foo) do { current->state = foo; } while (0)
+#define cfs_set_current_state(foo) do { current->state = foo; } while (0)
-#define wait_event_interruptible(wq, condition) \
-({ \
+#define cfs_wait_event_interruptible(wq, condition, ret) \
+{ \
struct l_wait_info lwi; \
int timeout = 100000000;/* for ever */ \
int ret; \
ret = l_wait_event(NULL, condition, &lwi); \
\
ret; \
-})
+}
-#define lock_kernel() do {} while (0)
-#define unlock_kernel() do {} while (0)
#define daemonize(l) do {} while (0)
#define sigfillset(l) do {} while (0)
#define recalc_sigpending(l) do {} while (0)
-#define kernel_thread(l,m,n) LBUG()
#define USERMODEHELPER(path, argv, envp) (0)
#define SIGNAL_MASK_ASSERT()
-#define KERN_INFO
+#define CFS_KERN_INFO
-#if HZ != 1
+#if CFS_HZ != 1
#error "liblustre's jiffies currently expects HZ to be 1"
#endif
#define jiffies \
#define unlikely(exp) (exp)
#endif
-#define might_sleep()
+#define cfs_might_sleep()
#define might_sleep_if(c)
#define smp_mb()
-#define libcfs_memory_pressure_get() (0)
-#define libcfs_memory_pressure_put() do {} while (0)
-#define libcfs_memory_pressure_clr() do {} while (0)
-
/* FIXME sys/capability will finally included linux/fs.h thus
* cause numerous trouble on x86-64. as temporary solution for
* build broken at Cray, we copy definition we need from capability.h
struct liblustre_wait_callback {
- struct list_head llwc_list;
- const char *llwc_name;
- int (*llwc_fn)(void *arg);
- void *llwc_arg;
+ cfs_list_t llwc_list;
+ const char *llwc_name;
+ int (*llwc_fn)(void *arg);
+ void *llwc_arg;
};
void *liblustre_register_wait_callback(const char *name,
};
typedef struct file_lock {
- struct file_lock *fl_next; /* singly linked list for this inode */
- struct list_head fl_link; /* doubly linked list of all locks */
- struct list_head fl_block; /* circular list of blocked processes */
+ struct file_lock *fl_next; /* singly linked list for this inode */
+ cfs_list_t fl_link; /* doubly linked list of all locks */
+ cfs_list_t fl_block; /* circular list of blocked processes */
void *fl_owner;
unsigned int fl_pid;
cfs_waitq_t fl_wait;
#define OFFSET_MAX INT_LIMIT(loff_t)
#endif
+#define i_atime i_stbuf.st_atime
+#define i_mtime i_stbuf.st_mtime
+#define i_ctime i_stbuf.st_ctime
+/* use i_size_read() i_size_write() to access i_stbuf.st_size */
+#define i_blocks i_stbuf.st_blocks
+#define i_blksize i_stbuf.st_blksize
+#define i_mode i_stbuf.st_mode
+#define i_uid i_stbuf.st_uid
+#define i_gid i_stbuf.st_gid
+
/* XXX: defined in kernel */
#define FL_POSIX 1
#define FL_SLEEP 128
#define NO_QUOTA 1
/* ACL */
-struct posix_acl_entry {
- short e_tag;
- unsigned short e_perm;
- unsigned int e_id;
-};
-
-struct posix_acl {
- atomic_t a_refcount;
- unsigned int a_count;
- struct posix_acl_entry a_entries[0];
-};
-
typedef struct {
__u16 e_tag;
__u16 e_perm;
__u32 e_id;
-} xattr_acl_entry;
+} posix_acl_xattr_entry;
+
+struct posix_acl {
+ cfs_atomic_t a_refcount;
+ unsigned int a_count;
+ posix_acl_xattr_entry a_entries[0];
+};
typedef struct {
- __u32 a_version;
- xattr_acl_entry a_entries[0];
-} xattr_acl_header;
+ __u32 a_version;
+ posix_acl_xattr_entry a_entries[0];
+} posix_acl_xattr_header;
-static inline size_t xattr_acl_size(int count)
+static inline size_t posix_acl_xattr_size(int count)
{
- return sizeof(xattr_acl_header) + count * sizeof(xattr_acl_entry);
+ return sizeof(posix_acl_xattr_header) + count *
+ sizeof(posix_acl_xattr_entry);
}
static inline
{
}
-#ifdef LIBLUSTRE_POSIX_ACL
-# ifndef posix_acl_xattr_entry
-# define posix_acl_xattr_entry xattr_acl_entry
-# endif
-# ifndef posix_acl_xattr_header
-# define posix_acl_xattr_header xattr_acl_header
-# endif
-# ifndef posix_acl_xattr_size
-# define posix_acl_xattr_size(entry) xattr_acl_size(entry)
-# endif
-# ifndef CONFIG_FS_POSIX_ACL
-# define CONFIG_FS_POSIX_ACL 1
-# endif
+#if defined(LIBLUSTRE_POSIX_ACL) && !defined(CONFIG_FS_POSIX_ACL)
+# define CONFIG_FS_POSIX_ACL 1
#endif
#ifndef ENOTSUPP
{
}
+#define S_IRWXUGO (S_IRWXU|S_IRWXG|S_IRWXO)
+#define S_IALLUGO (S_ISUID|S_ISGID|S_ISVTX|S_IRWXUGO)
+
#include <obd_support.h>
#include <lustre/lustre_idl.h>
#include <lustre_lib.h>
#include <lustre_export.h>
#include <lustre_net.h>
+/** @} liblustre */
+
#endif