/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
* vim:expandtab:shiftwidth=8:tabstop=8:
*
- * Copyright (C) 2001 Cluster File Systems, Inc. <info@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
*
- * User-space Lustre headers.
+ * 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) 2003, 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/liblustre.h
+ *
+ * User-space Lustre headers.
+ */
+
#ifndef LIBLUSTRE_H__
#define LIBLUSTRE_H__
-#include <sys/mman.h>
-#include <asm/byteorder.h>
-#ifndef __CYGWIN__
-#include <stdint.h>
-#include <asm/page.h>
-#else
-#include <sys/types.h>
-#include "ioctl.h"
+/** \defgroup liblustre liblustre
+ *
+ * @{
+ */
+#include <fcntl.h>
+#include <sys/queue.h>
+
+#ifdef __KERNEL__
+#error Kernel files should not #include <liblustre.h>
#endif
-#include <stdio.h>
-#include <sys/ioctl.h>
-#include <stdlib.h>
-#include <string.h>
-#include <errno.h>
-#include <sys/stat.h>
-#include <sys/vfs.h>
-
-#include <portals/list.h>
-#include <portals/p30.h>
-#include <linux/kp30.h>
+
+#include <libcfs/libcfs.h>
+#include <lnet/lnet.h>
/* definitions for liblustre */
#ifdef __CYGWIN__
-#define PAGE_SHIFT 12
-#define PAGE_SIZE (1UL << PAGE_SHIFT)
-#define PAGE_MASK (~(PAGE_SIZE-1))
#define loff_t long long
#define ERESTART 2001
-typedef unsigned short umode_t;
+typedef unsigned short cfs_umode_t;
#endif
-/* This is because lprocfs_status.h gets included here indirectly. It would
- * be much better to just avoid lprocfs being included into liblustre entirely
- * but that requires more header surgery than I can handle right now.
- */
-#ifndef smp_processor_id
-#define smp_processor_id() 0
-#endif
-
/* always adopt 2.5 definitions */
#define KERNEL_VERSION(a,b,c) ((a)*100+(b)*10+c)
-#define LINUX_VERSION_CODE (2*200+5*10+0)
-
-static inline void inter_module_put(void *a)
-{
- return;
-}
-
-extern ptl_handle_ni_t tcpnal_ni;
+#define LINUX_VERSION_CODE KERNEL_VERSION(2,6,5)
-void *inter_module_get(char *arg);
-
-/* cheats for now */
+#ifndef page_private
+#define page_private(page) ((page)->private)
+#define set_page_private(page, v) ((page)->private = (v))
+#endif
-struct work_struct {
- void (*ws_task)(void *arg);
- void *ws_arg;
-};
-static inline void prepare_work(struct work_struct *q, void (*t)(void *),
- void *arg)
+/*
+ * The inter_module_get implementation is specific to liblustre, so this needs
+ * to stay here for now.
+ */
+static inline void inter_module_put(void *a)
{
- q->ws_task = t;
- q->ws_arg = arg;
return;
}
-
-static inline void schedule_work(struct work_struct *q)
-{
- q->ws_task(q->ws_arg);
-}
-
-
-#define strnlen(a,b) strlen(a)
-static inline void *kmalloc(int size, int prot)
-{
- return malloc(size);
-}
-#define vmalloc malloc
-#define vfree free
-#define kfree(a) free(a)
-#define GFP_KERNEL 1
-#define GFP_HIGHUSER 1
-#define GFP_ATOMIC 1
-#define GFP_NOFS 1
-#define IS_ERR(a) (((a) && abs((long)(a)) < 500) ? 1 : 0)
-#define PTR_ERR(a) ((long)(a))
-#define ERR_PTR(a) ((void*)((long)(a)))
-
-typedef struct {
- void *cwd;
-}mm_segment_t;
-
-typedef int (read_proc_t)(char *page, char **start, off_t off,
- int count, int *eof, void *data);
-
-struct file; /* forward ref */
-typedef int (write_proc_t)(struct file *file, const char *buffer,
- unsigned long count, void *data);
-
-# define le16_to_cpu(x) __le16_to_cpu(x)
-# define cpu_to_le16(x) __cpu_to_le16(x)
-# define le32_to_cpu(x) __le32_to_cpu(x)
-# define cpu_to_le32(x) __cpu_to_le32(x)
-# define le64_to_cpu(x) __le64_to_cpu(x)
-# define cpu_to_le64(x) __cpu_to_le64(x)
-
-#define NIPQUAD(addr) \
- ((unsigned char *)&addr)[0], \
- ((unsigned char *)&addr)[1], \
- ((unsigned char *)&addr)[2], \
- ((unsigned char *)&addr)[3]
-
-#if defined(__LITTLE_ENDIAN)
-#define HIPQUAD(addr) \
- ((unsigned char *)&addr)[3], \
- ((unsigned char *)&addr)[2], \
- ((unsigned char *)&addr)[1], \
- ((unsigned char *)&addr)[0]
-#elif defined(__BIG_ENDIAN)
-#define HIPQUAD NIPQUAD
-#else
-#error "Undefined byteorder??"
-#endif /* __LITTLE_ENDIAN */
+void *inter_module_get(char *arg);
/* bits ops */
-static __inline__ int set_bit(int nr,long * addr)
-{
- int mask, retval;
-
- addr += nr >> 5;
- mask = 1 << (nr & 0x1f);
- retval = (mask & *addr) != 0;
- *addr |= mask;
- return retval;
-}
-
-static __inline__ int clear_bit(int nr, long * addr)
-{
- int mask, retval;
-
- addr += nr >> 5;
- mask = 1 << (nr & 0x1f);
- retval = (mask & *addr) != 0;
- *addr &= ~mask;
- return retval;
-}
-
-static __inline__ int test_bit(int nr, long * addr)
-{
- int mask;
- addr += nr >> 5;
- mask = 1 << (nr & 0x1f);
- return ((mask & *addr) != 0);
-}
+/* a long can be more than 32 bits, so use BITS_PER_LONG
+ * to allow the compiler to adjust the bit shifting accordingly
+ */
static __inline__ int ext2_set_bit(int nr, void *addr)
{
- return set_bit(nr, (long*)addr);
+#ifdef __BIG_ENDIAN
+ return cfs_set_bit((nr ^ ((BITS_PER_LONG-1) & ~0x7)), addr);
+#else
+ return cfs_set_bit(nr, addr);
+#endif
}
static __inline__ int ext2_clear_bit(int nr, void *addr)
{
- return clear_bit(nr, (long*)addr);
+#ifdef __BIG_ENDIAN
+ return cfs_clear_bit((nr ^ ((BITS_PER_LONG-1) & ~0x7)), addr);
+#else
+ return cfs_clear_bit(nr, addr);
+#endif
}
static __inline__ int ext2_test_bit(int nr, void *addr)
{
- return test_bit(nr, (long*)addr);
-}
-
-/* modules */
-
-struct module {
- int count;
-};
-
-static inline void MODULE_AUTHOR(char *name)
-{
- printf("%s\n", name);
-}
-#define MODULE_DESCRIPTION(name) MODULE_AUTHOR(name)
-#define MODULE_LICENSE(name) MODULE_AUTHOR(name)
-
-#define THIS_MODULE NULL
-#define __init
-#define __exit
-
-/* devices */
-
-static inline int misc_register(void *foo)
-{
- return 0;
-}
-
-static inline int misc_deregister(void *foo)
-{
- return 0;
-}
-
-static inline int request_module(char *name)
-{
- return (-EINVAL);
-}
-
-#define __MOD_INC_USE_COUNT(m) do {} while (0)
-#define __MOD_DEC_USE_COUNT(m) do {} while (0)
-#define MOD_INC_USE_COUNT do {} while (0)
-#define MOD_DEC_USE_COUNT do {} while (0)
-static inline void __module_get(struct module *module)
-{
-}
-
-static inline int try_module_get(struct module *module)
-{
- return 1;
+#ifdef __BIG_ENDIAN
+ __const__ unsigned char *tmp = (__const__ unsigned char *) addr;
+ return (tmp[nr >> 3] >> (nr & 7)) & 1;
+#else
+ return cfs_test_bit(nr, addr);
+#endif
}
-static inline void module_put(struct module *module)
-{
-}
/* module initialization */
extern int init_obdclass(void);
extern int osc_init(void);
extern int lov_init(void);
extern int mdc_init(void);
+extern int lmv_init(void);
+extern int mgc_init(void);
extern int echo_client_init(void);
#define EXPORT_SYMBOL(S)
-typedef struct { } spinlock_t;
typedef __u64 kdev_t;
-#define SPIN_LOCK_UNLOCKED (spinlock_t) { }
-#define LASSERT_SPIN_LOCKED(lock) do {} while(0)
-
-static inline void spin_lock(spinlock_t *l) {return;}
-static inline void spin_unlock(spinlock_t *l) {return;}
-static inline void spin_lock_init(spinlock_t *l) {return;}
-static inline void local_irq_save(unsigned long flag) {return;}
-static inline void local_irq_restore(unsigned long flag) {return;}
-static inline int spin_is_locked(spinlock_t *l) {return 1;}
-
-static inline void spin_lock_bh(spinlock_t *l) {}
-static inline void spin_unlock_bh(spinlock_t *l) {}
-static inline void spin_lock_irqsave(spinlock_t *a, unsigned long b) {}
-static inline void spin_unlock_irqrestore(spinlock_t *a, unsigned long b) {}
-
+#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) \
- ({ type __x = (x); type __y = (y); __x < __y ? __x: __y; })
+ ({ type __x = (x); type __y = (y); __x < __y ? __x: __y; })
#endif
#ifndef max_t
#define max_t(type,x,y) \
- ({ type __x = (x); type __y = (y); __x > __y ? __x: __y; })
+ ({ type __x = (x); type __y = (y); __x > __y ? __x: __y; })
#endif
-/* registering symbols */
+#define simple_strtol strtol
+/* registering symbols */
+#ifndef ERESTARTSYS
#define ERESTARTSYS ERESTART
-#define HZ 1
+#endif
+#define CFS_HZ 1
/* random */
-void get_random_bytes(void *ptr, int size);
+void cfs_get_random_bytes(void *ptr, int size);
/* memory */
-/* FIXME */
-#define num_physpages (16 * 1024)
-
-static inline int copy_from_user(void *a,void *b, int c)
-{
- memcpy(a,b,c);
- return 0;
-}
-
-static inline int copy_to_user(void *a,void *b, int c)
-{
- memcpy(a,b,c);
- return 0;
-}
+/* memory size: used for some client tunables */
+#define cfs_num_physpages (256 * 1024) /* 1GB */
+#define CFS_NUM_CACHEPAGES cfs_num_physpages
-/* slabs */
-typedef struct {
- int size;
-} kmem_cache_t;
-#define SLAB_HWCACHE_ALIGN 0
-static inline kmem_cache_t *
-kmem_cache_create(const char *name, size_t objsize, size_t cdum,
- unsigned long d,
- void (*e)(void *, kmem_cache_t *, unsigned long),
- void (*f)(void *, kmem_cache_t *, unsigned long))
-{
- kmem_cache_t *c;
- c = malloc(sizeof(*c));
- if (!c)
- return NULL;
- c->size = objsize;
- CDEBUG(D_MALLOC, "alloc slab cache %s at %p, objsize %d\n",
- name, c, (int)objsize);
- return c;
-};
-
-static inline int kmem_cache_destroy(kmem_cache_t *a)
-{
- CDEBUG(D_MALLOC, "destroy slab cache %p, objsize %u\n", a, a->size);
- free(a);
- return 0;
-}
-#define kmem_cache_alloc(cache, prio) malloc(cache->size)
-#define kmem_cache_free(cache, obj) free(obj)
-
-#define PAGE_CACHE_SIZE PAGE_SIZE
-#define PAGE_CACHE_SHIFT 12
-#define PAGE_CACHE_MASK PAGE_MASK
-
-struct page {
- void *addr;
- unsigned long index;
- struct list_head list;
- unsigned long private;
-
- /* internally used by liblustre file i/o */
- int _offset;
- int _count;
-};
-
-/* 2.4 defines */
-#define PAGE_LIST_ENTRY list
-#define PAGE_LIST(page) ((page)->list)
-
-#define kmap(page) (page)->addr
-#define kunmap(a) do {} while (0)
-
-static inline struct page *alloc_pages(int mask, unsigned long order)
-{
- struct page *pg = malloc(sizeof(*pg));
-
- if (!pg)
- return NULL;
-#if 0 //#ifdef MAP_ANONYMOUS
- pg->addr = mmap(0, PAGE_SIZE << order, PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, 0, 0);
-#else
- pg->addr = malloc(PAGE_SIZE << order);
-#endif
-
- if (!pg->addr) {
- free(pg);
- return NULL;
- }
- return pg;
-}
-
-#define alloc_page(mask) alloc_pages((mask), 0)
-
-static inline void __free_pages(struct page *pg, int what)
-{
-#if 0 //#ifdef MAP_ANONYMOUS
- munmap(pg->addr, PAGE_SIZE);
-#else
- free(pg->addr);
-#endif
- free(pg);
-}
-
-#define __free_page(page) __free_pages((page), 0)
-#define free_page(page) __free_page(page)
-
-static inline struct page* __grab_cache_page(unsigned long index)
-{
- struct page *pg = alloc_pages(0, 0);
-
- if (pg)
- pg->index = index;
- return pg;
-}
-
-#define grab_cache_page(index) __grab_cache_page(index)
-#define page_cache_release(page) __free_pages(page, 0)
-
-/* arithmetic */
-#define do_div(a,b) \
- ({ \
- unsigned long remainder;\
- remainder = (a) % (b); \
- (a) = (a) / (b); \
- (remainder); \
- })
-
/* VFS stuff */
#define ATTR_MODE 0x0001
#define ATTR_UID 0x0002
#define ATTR_RAW 0x0800 /* file system, not vfs will massage attrs */
#define ATTR_FROM_OPEN 0x1000 /* called from open path, ie O_TRUNC */
#define ATTR_CTIME_SET 0x2000
+#define ATTR_BLOCKS 0x4000
+#define ATTR_KILL_SUID 0
+#define ATTR_KILL_SGID 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_GETXATTR 0x0040
#define IT_EXEC 0x0080
#define IT_PIN 0x0100
-#define IT_CHDIR 0x0200
#define IT_FL_LOCKED 0x0001
#define IT_FL_FOLLOWED 0x0002 /* set by vfs_follow_link */
it->it_flags = flags;
}
-
struct dentry {
int d_count;
};
void *pwd;
};
-/* semaphores */
-struct rw_semaphore {
- int count;
-};
-
-/* semaphores */
-struct semaphore {
- int count;
-};
-
-/* use the macro's argument to avoid unused warnings */
-#define down(a) do { (void)a; } while (0)
-#define up(a) do { (void)a; } while (0)
-#define down_read(a) do { (void)a; } while (0)
-#define up_read(a) do { (void)a; } while (0)
-#define down_write(a) do { (void)a; } while (0)
-#define up_write(a) do { (void)a; } while (0)
-#define sema_init(a,b) do { (void)a; } while (0)
-#define init_rwsem(a) do { (void)a; } while (0)
-#define DECLARE_MUTEX(name) \
- struct semaphore name = { 1 }
-static inline void init_MUTEX (struct semaphore *sem)
-{
- sema_init(sem, 1);
-}
-
-
-typedef struct {
- struct list_head sleepers;
-} wait_queue_head_t;
-
-typedef struct {
- struct list_head sleeping;
- void *process;
-} wait_queue_t;
-
struct signal {
int signal;
};
-struct fs_struct {
- int umask;
-};
-
struct task_struct {
- struct fs_struct *fs;
int state;
struct signal pending;
char comm[32];
+ int uid;
+ int gid;
int pid;
int fsuid;
int fsgid;
int ngroups;
gid_t *groups;
__u32 cap_effective;
-
- struct fs_struct __fs;
};
+
+typedef struct task_struct cfs_task_t;
+#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);
-static inline int capable(int cap)
-{
- if (current->cap_effective & (1 << cap))
- return 1;
- else
- return 0;
-}
+int cfs_curproc_is_in_groups(gid_t gid);
+
+#define cfs_set_current_state(foo) do { current->state = foo; } while (0)
-#define set_current_state(foo) do { current->state = foo; } while (0)
-
-#define init_waitqueue_entry(q,p) do { (q)->process = p; } while (0)
-#define add_wait_queue(q,p) do { list_add(&(q)->sleepers, &(p)->sleeping); } while (0)
-#define del_wait_queue(p) do { list_del(&(p)->sleeping); } while (0)
-#define remove_wait_queue(q,p) do { list_del(&(p)->sleeping); } while (0)
-
-#define DECLARE_WAIT_QUEUE_HEAD(HEAD) \
- wait_queue_head_t HEAD = { \
- .sleepers = LIST_HEAD_INIT(HEAD.sleepers) \
- }
-#define init_waitqueue_head(l) INIT_LIST_HEAD(&(l)->sleepers)
-#define wake_up(l) do { int a; a++; } while (0)
-#define TASK_INTERRUPTIBLE 0
-#define TASK_UNINTERRUPTIBLE 1
-#define TASK_RUNNING 2
-
-#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 in_interrupt() (0)
-
-#define schedule() do {} while (0)
-static inline int schedule_timeout(signed long t)
-{
- return 0;
}
-#define lock_kernel() do {} while (0)
+#define cfs_lock_kernel() do {} while (0)
+#define cfs_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
-#include <sys/time.h>
-#if HZ != 1
+#if CFS_HZ != 1
#error "liblustre's jiffies currently expects HZ to be 1"
#endif
#define jiffies \
_ret = tv.tv_sec; \
_ret; \
})
-#define time_after(a, b) ((long)(b) - (long)(a) > 0)
-#define time_before(a, b) time_after(b,a)
-
-struct timer_list {
- struct list_head tl_list;
- void (*function)(unsigned long unused);
- unsigned long data;
- long expires;
-};
-
-static inline int timer_pending(struct timer_list *l)
-{
- if (l->expires > jiffies)
- return 1;
- else
- return 0;
-}
-
-static inline int init_timer(struct timer_list *l)
-{
- INIT_LIST_HEAD(&l->tl_list);
- return 0;
-}
-
-static inline void mod_timer(struct timer_list *l, int thetime)
-{
- l->expires = thetime;
-}
-
-static inline void del_timer(struct timer_list *l)
-{
- free(l);
-}
-
-typedef struct { volatile int counter; } atomic_t;
-
-#define atomic_read(a) ((a)->counter)
-#define atomic_set(a,b) do {(a)->counter = b; } while (0)
-#define atomic_dec_and_test(a) ((--((a)->counter)) == 0)
-#define atomic_inc(a) (((a)->counter)++)
-#define atomic_dec(a) do { (a)->counter--; } while (0)
-#define atomic_add(b,a) do {(a)->counter += b;} while (0)
-#define atomic_sub(b,a) do {(a)->counter -= b;} while (0)
+#define get_jiffies_64() (__u64)jiffies
#ifndef likely
#define likely(exp) (exp)
#define unlikely(exp) (exp)
#endif
+#define cfs_might_sleep()
+#define might_sleep_if(c)
+#define smp_mb()
+
/* FIXME sys/capability will finally included linux/fs.h thus
* cause numerous trouble on x86-64. as temporary solution for
- * build broken at cary, we copy definition we need from capability.h
+ * build broken at Cray, we copy definition we need from capability.h
* FIXME
*/
struct _cap_struct;
CAP_SET=1
} cap_flag_value_t;
-#define CAP_FOWNER 3
-#define CAP_FSETID 4
-#define CAP_SYS_ADMIN 21
-
cap_t cap_get_proc(void);
int cap_get_flag(cap_t, cap_value_t, cap_flag_t, cap_flag_value_t *);
+static inline void libcfs_run_lbug_upcall(char *file, const char *fn,
+ const int l){}
-/* log related */
-static inline int llog_init_commit_master(void) { return 0; }
-static inline int llog_cleanup_commit_master(int force) { return 0; }
-static inline void portals_run_lbug_upcall(char *file, const char *fn,
- const int l){}
+struct liblustre_wait_callback {
+ 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,
+ int (*fn)(void *arg), void *arg);
+void liblustre_deregister_wait_callback(void *notifier);
+int liblustre_wait_event(int timeout);
+
+void *liblustre_register_idle_callback(const char *name,
+ int (*fn)(void *arg), void *arg);
+void liblustre_deregister_idle_callback(void *notifier);
+void liblustre_wait_idle(void);
+
+/* flock related */
+struct nfs_lock_info {
+ __u32 state;
+ __u32 flags;
+ void *host;
+};
-#define LBUG() \
- do { \
- printf("!!!LBUG at %s:%d\n", __FILE__, __LINE__); \
- sleep(1000000); \
- } while (0)
+typedef struct file_lock {
+ 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;
+ struct file *fl_file;
+ unsigned char fl_flags;
+ unsigned char fl_type;
+ loff_t fl_start;
+ loff_t fl_end;
+
+ void (*fl_notify)(struct file_lock *); /* unblock callback */
+ void (*fl_insert)(struct file_lock *); /* lock insertion callback */
+ void (*fl_remove)(struct file_lock *); /* lock removal callback */
+
+ void *fl_fasync; /* for lease break notifications */
+ unsigned long fl_break_time; /* for nonblocking lease breaks */
+ union {
+ struct nfs_lock_info nfs_fl;
+ } fl_u;
+} cfs_flock_t;
+
+#define cfs_flock_type(fl) ((fl)->fl_type)
+#define cfs_flock_set_type(fl, type) do { (fl)->fl_type = (type); } while(0)
+#define cfs_flock_pid(fl) ((fl)->fl_pid)
+#define cfs_flock_set_pid(fl, pid) do { (fl)->fl_pid = (pid); } while(0)
+#define cfs_flock_start(fl) ((fl)->fl_start)
+#define cfs_flock_set_start(fl, start) do { (fl)->fl_start = (start); } while(0)
+#define cfs_flock_end(fl) ((fl)->fl_end)
+#define cfs_flock_set_end(fl, end) do { (fl)->fl_end = (end); } while(0)
+
+#ifndef OFFSET_MAX
+#define INT_LIMIT(x) (~((x)1 << (sizeof(x)*8 - 1)))
+#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
+#define i_size 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
+
+/* quota */
+#define QUOTA_OK 0
+#define NO_QUOTA 1
+
+/* ACL */
+struct posix_acl_entry {
+ short e_tag;
+ unsigned short e_perm;
+ unsigned int e_id;
+};
-/* completion */
-struct completion {
- unsigned int done;
- wait_queue_head_t wait;
+struct posix_acl {
+ cfs_atomic_t a_refcount;
+ unsigned int a_count;
+ struct posix_acl_entry a_entries[0];
};
-#define COMPLETION_INITIALIZER(work) \
- { 0, __WAIT_QUEUE_HEAD_INITIALIZER((work).wait) }
+typedef struct {
+ __u16 e_tag;
+ __u16 e_perm;
+ __u32 e_id;
+} xattr_acl_entry;
-#define DECLARE_COMPLETION(work) \
- struct completion work = COMPLETION_INITIALIZER(work)
+typedef struct {
+ __u32 a_version;
+ xattr_acl_entry a_entries[0];
+} xattr_acl_header;
-#define INIT_COMPLETION(x) ((x).done = 0)
+static inline size_t xattr_acl_size(int count)
+{
+ return sizeof(xattr_acl_header) + count * sizeof(xattr_acl_entry);
+}
-static inline void init_completion(struct completion *x)
+static inline
+struct posix_acl * posix_acl_from_xattr(const void *value, size_t size)
{
- x->done = 0;
- init_waitqueue_head(&x->wait);
+ return NULL;
}
-struct liblustre_wait_callback {
- struct list_head llwc_list;
- int (*llwc_fn)(void *arg);
- void *llwc_arg;
+static inline
+int posix_acl_valid(const struct posix_acl *acl)
+{
+ return 0;
+}
+
+static inline
+void posix_acl_release(struct posix_acl *acl)
+{
+}
+
+#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
+#endif
+
+#ifndef ENOTSUPP
+#define ENOTSUPP ENOTSUP
+#endif
+
+typedef int mm_segment_t;
+enum {
+ KERNEL_DS,
+ USER_DS
};
+static inline mm_segment_t get_fs(void)
+{
+ return USER_DS;
+}
-void *liblustre_register_wait_callback(int (*fn)(void *arg), void *arg);
-void liblustre_deregister_wait_callback(void *notifier);
-int liblustre_wait_event(int timeout);
+static inline void set_fs(mm_segment_t seg)
+{
+}
+
+#define S_IRWXUGO (S_IRWXU|S_IRWXG|S_IRWXO)
+#define S_IALLUGO (S_ISUID|S_ISGID|S_ISVTX|S_IRWXUGO)
-#include <linux/obd_support.h>
-#include <linux/lustre_idl.h>
-#include <linux/lustre_lib.h>
-#include <linux/lustre_import.h>
-#include <linux/lustre_export.h>
-#include <linux/lustre_net.h>
+#include <obd_support.h>
+#include <lustre/lustre_idl.h>
+#include <lustre_lib.h>
+#include <lustre_import.h>
+#include <lustre_export.h>
+#include <lustre_net.h>
+/** @} liblustre */
#endif
git://git.whamcloud.com / fs / lustre-release.git / blobdiff