#ifndef LIBLUSTRE_H__
#define LIBLUSTRE_H__
+#ifdef __KERNEL__
+#error Kernel files should not #include <liblustre.h>
+#else
+/*
+ * The userspace implementations of linux/spinlock.h vary; we just
+ * include our own for all of them
+ */
+#define __LINUX_SPINLOCK_H
+#endif
+
#include <sys/mman.h>
-#include <asm/page.h>
+#ifdef HAVE_STDINT_H
+# include <stdint.h>
+#endif
+#ifdef HAVE_ASM_PAGE_H
+# include <asm/page.h>
+#endif
+#ifdef HAVE_SYS_USER_H
+# include <sys/user.h>
+#endif
+#ifdef HAVE_SYS_IOCTL_H
+# include <sys/ioctl.h>
+#endif
+#ifndef _IOWR
+# include "ioctl.h"
+#endif
+
#include <stdio.h>
#include <sys/ioctl.h>
-#include <stdint.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include <sys/stat.h>
-#include <sys/vfs.h>
+#ifdef HAVE_SYS_VFS_H
+# include <sys/vfs.h>
+#endif
+#include <unistd.h>
+#include <fcntl.h>
-#include <portals/list.h>
-#include <portals/p30.h>
+#include <libcfs/list.h>
+#include <lnet/lnet.h>
+#include <libcfs/kp30.h>
/* definitions for liblustre */
-/* always adopt 2.5 definitions */
-#define LINUX_VERSION_CODE 1
-#define KERNEL_VERSION(a,b,c) 0
+#ifdef __CYGWIN__
-static inline void inter_module_put(void *a)
-{
- return;
-}
+#define CFS_PAGE_SHIFT 12
+#define CFS_PAGE_SIZE (1UL << CFS_PAGE_SHIFT)
+#define CFS_PAGE_MASK (~((__u64)CFS_PAGE_SIZE-1))
+#define loff_t long long
+#define ERESTART 2001
+typedef unsigned short umode_t;
-extern ptl_handle_ni_t tcpnal_ni;
+#endif
-static inline void *inter_module_get(char *arg)
-{
+#ifndef CURRENT_SECONDS
+# define CURRENT_SECONDS time(0)
+#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
+#ifndef smp_num_cpus
+#define smp_num_cpus 1
+#endif
+
+/* always adopt 2.5 definitions */
+#define KERNEL_VERSION(a,b,c) ((a)*100+(b)*10+c)
+#define LINUX_VERSION_CODE KERNEL_VERSION(2,5,0)
+
+#ifndef page_private
+#define page_private(page) ((page)->private)
+#define set_page_private(page, v) ((page)->private = (v))
+#endif
- if (strcmp(arg, "tcpnal_ni") == 0 )
- return &tcpnal_ni;
- else
- return NULL;
+static inline void inter_module_put(void *a)
+{
+ return;
}
+void *inter_module_get(char *arg);
/* cheats for now */
#define kfree(a) free(a)
#define GFP_KERNEL 1
#define GFP_HIGHUSER 1
-#define IS_ERR(a) (abs((int)(a)) < 500 ? 1 : 0)
-#define PTR_ERR(a) ((int)(a))
-
-#define capable(foo) 1
-#define CAP_SYS_ADMIN 1
+#define GFP_ATOMIC 1
+#define GFP_NOFS 1
+#define IS_ERR(a) ((unsigned long)(a) < 1000)
+#define PTR_ERR(a) ((long)(a))
+#define ERR_PTR(a) ((void*)((long)(a)))
typedef struct {
void *cwd;
-
}mm_segment_t;
-typedef void *read_proc_t;
-typedef void *write_proc_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 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 */
+
+/* bits ops */
+
+/* a long can be more than 32 bits, so use BITS_PER_LONG
+ * to allow the compiler to adjust the bit shifting accordingly
+ */
+
+/* test if bit nr is set in bitmap addr; returns previous value of bit nr */
+static __inline__ int set_bit(int nr, long * addr)
+{
+ long mask;
+
+ addr += nr / BITS_PER_LONG;
+ mask = 1UL << (nr & (BITS_PER_LONG - 1));
+ nr = (mask & *addr) != 0;
+ *addr |= mask;
+ return nr;
+}
+
+/* clear bit nr in bitmap addr; returns previous value of bit nr*/
+static __inline__ int clear_bit(int nr, long * addr)
+{
+ long mask;
+
+ addr += nr / BITS_PER_LONG;
+ mask = 1UL << (nr & (BITS_PER_LONG - 1));
+ nr = (mask & *addr) != 0;
+ *addr &= ~mask;
+ return nr;
+}
+
+static __inline__ int test_bit(int nr, long * addr)
+{
+ return ((1UL << (nr & (BITS_PER_LONG - 1))) & ((addr)[nr / BITS_PER_LONG])) != 0;
+}
+
+static __inline__ int ext2_set_bit(int nr, void *addr)
+{
+ return set_bit(nr, (long*)addr);
+}
+
+static __inline__ int ext2_clear_bit(int nr, void *addr)
+{
+ return clear_bit(nr, (long*)addr);
+}
+static __inline__ int ext2_test_bit(int nr, void *addr)
+{
+ return test_bit(nr, (long*)addr);
+}
/* modules */
{
return 0;
}
-#define misc_deregister misc_register
-#define __MOD_INC_USE_COUNT(m) do {int a = 1; a++; } while (0)
-#define __MOD_DEC_USE_COUNT(m) do {int a = 1; a++; } while (0)
-#define MOD_INC_USE_COUNT do {int a = 1; a++; } while (0)
-#define MOD_DEC_USE_COUNT do {int a = 1; a++; } while (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;
+}
+
+static inline void module_put(struct module *module)
+{
+}
/* module initialization */
extern int init_obdclass(void);
extern int ldlm_init(void);
extern int osc_init(void);
extern int lov_init(void);
+extern int mdc_init(void);
+extern int mgc_init(void);
extern int echo_client_init(void);
/* general stuff */
-#define jiffies 0
#define EXPORT_SYMBOL(S)
-typedef int spinlock_t;
+typedef struct { } spinlock_t;
typedef __u64 kdev_t;
-#define SPIN_LOCK_UNLOCKED 0
-#define spin_lock(l) do {int a = 1; a++; } while (0)
-#define spin_unlock(l) do {int a= 1; a++; } while (0)
-#define spin_lock_init(l) do {int a= 1; a++; } while (0)
-static inline void spin_lock_bh(spinlock_t *l)
-{
- return;
-}
-static inline void spin_unlock_bh(spinlock_t *l)
-{
- return;
-}
-static inline void spin_lock_irqrestore(a,b)
-{
- return;
-}
-static inline void spin_unlock_irqrestore(a,b)
-{
- return;
-}
-static inline void spin_lock_irqsave(a,b)
-{
- return;
-}
+#define SPIN_LOCK_UNLOCKED (spinlock_t) { }
+#define LASSERT_SPIN_LOCKED(lock) do {} while(0)
+#define LASSERT_SEM_LOCKED(sem) do {} while(0)
-#define barrier() do {int a= 1; a++; } 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;}
-/* registering symbols */
+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) {}
+
+#define min(x,y) ((x)<(y) ? (x) : (y))
+#define max(x,y) ((x)>(y) ? (x) : (y))
+
+#ifndef min_t
+#define min_t(type,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; })
+#endif
+#define simple_strtol strtol
+
+/* registering symbols */
+#ifndef ERESTARTSYS
#define ERESTARTSYS ERESTART
+#endif
#define HZ 1
/* random */
-static inline void get_random_bytes(void *ptr, int size)
-{
- static int r;
- int *p = (int *)ptr;
- int *end = p + (size / sizeof(int));
- r = rand();
- while ( p + sizeof(int) < end ) {
- *p = r;
- p++;
- }
-}
+void get_random_bytes(void *ptr, int size);
/* memory */
+/* memory size: used for some client tunables */
+#define num_physpages (256 * 1024) /* 1GB */
+
static inline int copy_from_user(void *a,void *b, int c)
{
memcpy(a,b,c);
int size;
} kmem_cache_t;
#define SLAB_HWCACHE_ALIGN 0
-static inline kmem_cache_t *kmem_cache_create(name,objsize,cdum,d,e,f)
+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_validate(a,b) 1
-#define kmem_cache_alloc(cache, prio) malloc(cache->size)
-#define kmem_cache_free(cache, obj) OBD_FREE(obj, cache->size)
-#define PORTAL_SLAB_ALLOC(lock,cache,size) do { lock = kmem_cache_alloc(cache,prio); } while (0)
-#define PORTAL_SLAB_FREE(lock,cache,size) do { lock = kmem_cache_alloc(cache,prio); } while (0)
-struct page {
- void *addr;
- int index;
-};
+/* struct page decl moved out from here into portals/include/libcfs/user-prim.h */
+
+/* 2.4 defines */
+#define PAGE_LIST_ENTRY list
+#define PAGE_LIST(page) ((page)->list)
#define kmap(page) (page)->addr
-#define kunmap(a) do { int foo = 1; foo++; } while (0)
+#define kunmap(a) do {} while (0)
-static inline struct page *alloc_pages(mask,foo)
+static inline cfs_page_t *alloc_pages(int mask, unsigned long order)
{
- struct page *pg = malloc(sizeof(*pg));
+ cfs_page_t *pg = malloc(sizeof(*pg));
if (!pg)
return NULL;
-#ifdef MAP_ANONYMOUS
- pg->addr = mmap(0, PAGE_SIZE, PROT_WRITE, MAP_ANONYMOUS, 0, 0);
+#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);
+ pg->addr = malloc(CFS_PAGE_SIZE << order);
#endif
if (!pg->addr) {
return pg;
}
-static inline void __free_pages(struct page *pg, int what)
+#define alloc_page(mask) alloc_pages((mask), 0)
+
+static inline void __free_pages(cfs_page_t *pg, int what)
{
-#ifdef MAP_ANONYMOUS
+#if 0 //#ifdef MAP_ANONYMOUS
munmap(pg->addr, PAGE_SIZE);
#else
free(pg->addr);
free(pg);
}
+#define __free_page(page) __free_pages((page), 0)
+#define free_page(page) __free_page(page)
+
+static inline cfs_page_t* __grab_cache_page(unsigned long index)
+{
+ cfs_page_t *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) (a)/(b)
+#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_GID 0x0004
+#define ATTR_SIZE 0x0008
+#define ATTR_ATIME 0x0010
+#define ATTR_MTIME 0x0020
+#define ATTR_CTIME 0x0040
+#define ATTR_ATIME_SET 0x0080
+#define ATTR_MTIME_SET 0x0100
+#define ATTR_FORCE 0x0200 /* Not a change, but a change it */
+#define ATTR_ATTR_FLAG 0x0400
+#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
-/* dentries / intents */
+struct iattr {
+ unsigned int ia_valid;
+ umode_t ia_mode;
+ uid_t ia_uid;
+ gid_t ia_gid;
+ loff_t ia_size;
+ time_t ia_atime;
+ time_t ia_mtime;
+ time_t ia_ctime;
+ unsigned int ia_attr_flags;
+};
+#define ll_iattr_struct 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 */
+
+#define INTENT_MAGIC 0x19620323
+
+struct lustre_intent_data {
+ int it_disposition;
+ int it_status;
+ __u64 it_lock_handle;
+ void *it_data;
+ int it_lock_mode;
+ int it_int_flags;
+};
struct lookup_intent {
- void *it_iattr;
+ int it_magic;
+ void (*it_op_release)(struct lookup_intent *);
+ int it_op;
+ int it_flags;
+ int it_create_mode;
+ union {
+ struct lustre_intent_data lustre;
+ } d;
};
-struct iattr {
- int mode;
-};
+static inline void intent_init(struct lookup_intent *it, int op, int flags)
+{
+ memset(it, 0, sizeof(*it));
+ it->it_magic = INTENT_MAGIC;
+ it->it_op = op;
+ it->it_flags = flags;
+}
+
struct dentry {
int d_count;
};
-struct file {
- struct dentry *f_dentry;
- void *private_data;
-} ;
struct vfsmount {
void *pwd;
};
-#define cpu_to_le32(x) ((__u32)(x))
+
+/* semaphores */
+struct rw_semaphore {
+ int count;
+};
/* semaphores */
struct semaphore {
int count;
};
-#define down(a) do {(a)->count++;} while (0)
-#define up(a) do {(a)->count--;} while (0)
-#define sema_init(a,b) do { (a)->count = b; } while (0)
+/* use the macro's argument to avoid unused warnings */
+#define down(a) do { (void)a; } while (0)
+#define mutex_down(a) down(a)
+#define up(a) do { (void)a; } while (0)
+#define mutex_up(a) up(a)
+#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);
+}
+static inline void init_MUTEX_LOCKED (struct semaphore *sem)
+{
+ sema_init(sem, 0);
+}
+
+#define init_mutex(s) init_MUTEX(s)
typedef struct {
struct list_head sleepers;
struct signal pending;
char comm[32];
int pid;
+ int fsuid;
+ int fsgid;
+ int max_groups;
+ int ngroups;
+ gid_t *groups;
+ __u32 cap_effective;
};
-extern struct task_struct *current;
-
+typedef struct task_struct cfs_task_t;
+#define cfs_current() current
+#define cfs_curproc_pid() (current->pid)
+#define cfs_curproc_comm() (current->comm)
+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;
+}
#define set_current_state(foo) do { current->state = foo; } 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 wait_event(l,m) do { int a; a++; } while (0)
#define TASK_INTERRUPTIBLE 0
#define TASK_UNINTERRUPTIBLE 1
#define TASK_RUNNING 2
-
-#define schedule() do { int a; a++; } while (0)
-static inline int schedule_timeout(t)
-{
- return 0;
-}
-
-#define lock_kernel() do { int a; a++; } while (0)
-#define daemonize(l) do { int a; a++; } while (0)
-#define sigfillset(l) do { int a; a++; } while (0)
-#define recalc_sigpending(l) do { int a; a++; } while (0)
-#define kernel_thread(l,m,n)
-
-static inline int call_usermodehelper(char *prog, char **argv, char **evnp)
+#define wait_event_interruptible(wq, condition) \
+({ \
+ struct l_wait_info lwi; \
+ int timeout = 100000000;/* for ever */ \
+ int ret; \
+ \
+ lwi = LWI_TIMEOUT(timeout, NULL, NULL); \
+ 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 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
-
+#include <sys/time.h>
+#if HZ != 1
+#error "liblustre's jiffies currently expects HZ to be 1"
+#endif
+#define jiffies \
+({ \
+ unsigned long _ret = 0; \
+ struct timeval tv; \
+ if (gettimeofday(&tv, NULL) == 0) \
+ _ret = tv.tv_sec; \
+ _ret; \
+})
+#define get_jiffies_64() (__u64)jiffies
+#define time_after(a, b) ((long)(b) - (long)(a) < 0)
+#define time_before(a, b) time_after(b,a)
+#define time_after_eq(a,b) ((long)(a) - (long)(b) >= 0)
struct timer_list {
struct list_head tl_list;
void (*function)(unsigned long unused);
- void *data;
- int expires;
+ unsigned long data;
+ long expires;
};
static inline int timer_pending(struct timer_list *l)
{
- if (l->expires > jiffies)
+ if (time_after(l->expires, jiffies))
return 1;
else
return 0;
#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_dec_and_lock(a,b) ((--((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 LBUG() do { sleep(1000000); } while (0)
+#ifndef likely
+#define likely(exp) (exp)
+#endif
+#ifndef unlikely
+#define unlikely(exp) (exp)
+#endif
+
+/* 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
+ * FIXME
+ */
+struct _cap_struct;
+typedef struct _cap_struct *cap_t;
+typedef int cap_value_t;
+typedef enum {
+ CAP_EFFECTIVE=0,
+ CAP_PERMITTED=1,
+ CAP_INHERITABLE=2
+} cap_flag_t;
+typedef enum {
+ CAP_CLEAR=0,
+ CAP_SET=1
+} cap_flag_value_t;
+
+#define CAP_DAC_OVERRIDE 1
+#define CAP_DAC_READ_SEARCH 2
+#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 *);
+
+/* 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 libcfs_run_lbug_upcall(char *file, const char *fn,
+ const int l){}
+
+/* completion */
+struct completion {
+ unsigned int done;
+ cfs_waitq_t wait;
+};
+
+#define COMPLETION_INITIALIZER(work) \
+ { 0, __WAIT_QUEUE_HEAD_INITIALIZER((work).wait) }
+
+#define DECLARE_COMPLETION(work) \
+ struct completion work = COMPLETION_INITIALIZER(work)
+
+#define INIT_COMPLETION(x) ((x).done = 0)
+
+static inline void init_completion(struct completion *x)
+{
+ x->done = 0;
+ init_waitqueue_head(&x->wait);
+}
+
+struct liblustre_wait_callback {
+ struct list_head 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;
+};
+
+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 */
+ 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
+
+/* 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;
+};
+
+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;
-#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>
+typedef struct {
+ __u32 a_version;
+ xattr_acl_entry a_entries[0];
+} xattr_acl_header;
+static inline size_t xattr_acl_size(int count)
+{
+ return sizeof(xattr_acl_header) + count * sizeof(xattr_acl_entry);
+}
+static inline
+struct posix_acl * posix_acl_from_xattr(const void *value, size_t size)
+{
+ return NULL;
+}
+
+static inline
+int posix_acl_valid(const struct posix_acl *acl)
+{
+ return 0;
+}
+
+static inline
+void posix_acl_release(struct posix_acl *acl)
+{
+}
+
+#ifndef ENOTSUPP
+#define ENOTSUPP ENOTSUP
#endif
+#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>
+
+#endif
git://git.whamcloud.com / fs / lustre-release.git / blobdiff