#define LIBLUSTRE_H__
#include <sys/mman.h>
+#include <asm/byteorder.h>
#ifndef __CYGWIN__
#include <stdint.h>
#include <asm/page.h>
#define PAGE_SHIFT 12
#define PAGE_SIZE (1UL << PAGE_SHIFT)
#define PAGE_MASK (~(PAGE_SIZE-1))
-#define loff_t __u64
+#define loff_t long long
#define ERESTART 2001
typedef unsigned short 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)
#define kfree(a) free(a)
#define GFP_KERNEL 1
#define GFP_HIGHUSER 1
-#define IS_ERR(a) (((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) (((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 void *read_proc_t;
-typedef void *write_proc_t;
-
-
-/* byteorder */
-#define __swab16(x) \
-({ \
- __u16 __x = (x); \
- ((__u16)( \
- (((__u16)(__x) & (__u16)0x00ffU) << 8) | \
- (((__u16)(__x) & (__u16)0xff00U) >> 8) )); \
-})
-
-#define __swab32(x) \
-({ \
- __u32 __x = (x); \
- ((__u32)( \
- (((__u32)(__x) & (__u32)0x000000ffUL) << 24) | \
- (((__u32)(__x) & (__u32)0x0000ff00UL) << 8) | \
- (((__u32)(__x) & (__u32)0x00ff0000UL) >> 8) | \
- (((__u32)(__x) & (__u32)0xff000000UL) >> 24) )); \
-})
-
-#define __swab64(x) \
-({ \
- __u64 __x = (x); \
- ((__u64)( \
- (__u64)(((__u64)(__x) & (__u64)0x00000000000000ffULL) << 56) | \
- (__u64)(((__u64)(__x) & (__u64)0x000000000000ff00ULL) << 40) | \
- (__u64)(((__u64)(__x) & (__u64)0x0000000000ff0000ULL) << 24) | \
- (__u64)(((__u64)(__x) & (__u64)0x00000000ff000000ULL) << 8) | \
- (__u64)(((__u64)(__x) & (__u64)0x000000ff00000000ULL) >> 8) | \
- (__u64)(((__u64)(__x) & (__u64)0x0000ff0000000000ULL) >> 24) | \
- (__u64)(((__u64)(__x) & (__u64)0x00ff000000000000ULL) >> 40) | \
- (__u64)(((__u64)(__x) & (__u64)0xff00000000000000ULL) >> 56) )); \
-})
-
-#define __swab16s(x) __swab16(*(x))
-#define __swab32s(x) __swab32(*(x))
-#define __swab64s(x) __swab64(*(x))
-
-#define __LITTLE_ENDIAN__
-#ifdef __LITTLE_ENDIAN__
-# define le16_to_cpu(x) ((__u16)(x))
-# define cpu_to_le16(x) ((__u16)(x))
-# define le32_to_cpu(x) ((__u32)(x))
-# define cpu_to_le32(x) ((__u32)(x))
-# define le64_to_cpu(x) ((__u64)(x))
-# define cpu_to_le64(x) ((__u64)(x))
+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
-# define le16_to_cpu(x) __swab16(x)
-# define cpu_to_le16(x) __swab16(x)
-# define le32_to_cpu(x) __swab32(x)
-# define cpu_to_le32(x) __swab32(x)
-# define le64_to_cpu(x) __swab64(x)
-# define cpu_to_le64(x) __swab64(x)
-# error "do more check here!!!"
-#endif
+#error "Undefined byteorder??"
+#endif /* __LITTLE_ENDIAN */
/* bits ops */
static __inline__ int set_bit(int nr,long * addr)
return ((mask & *addr) != 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 */
struct module {
{
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);
/* 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_unlock_irqrestore(spinlock_t *a, long b)
-{
- return;
-}
-static inline void spin_lock_irqsave(spinlock_t *a, long b)
-{
- return;
-}
+#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;}
-#define barrier() do {int a= 1; a++; } while (0)
+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
+
/* registering symbols */
#define ERESTARTSYS ERESTART
/* random */
-static inline void get_random_bytes(void *ptr, int size)
-{
- int *p = (int *)ptr;
- int i, count = size/sizeof(int);
-
- for (i = 0; i< count; i++)
- *p++ = rand();
-}
+void get_random_bytes(void *ptr, int size);
/* memory */
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) free(obj)
#define PAGE_CACHE_MASK PAGE_MASK
struct page {
- void *addr;
- int index;
+ 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 { int foo = 1; foo++; } while (0)
+#define kunmap(a) do {} while (0)
-static inline struct page *alloc_pages(int mask, unsigned long foo)
+static inline struct page *alloc_pages(int mask, unsigned long order)
{
struct page *pg = malloc(sizeof(*pg));
if (!pg)
return NULL;
-#ifdef MAP_ANONYMOUS
- pg->addr = mmap(0, PAGE_SIZE, PROT_WRITE, MAP_PRIVATE|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(PAGE_SIZE << order);
#endif
if (!pg->addr) {
return pg;
}
+#define alloc_page(mask) alloc_pages((mask), 0)
+
static inline void __free_pages(struct page *pg, int what)
{
-#ifdef MAP_ANONYMOUS
+#if 0 //#ifdef MAP_ANONYMOUS
munmap(pg->addr, PAGE_SIZE);
#else
free(pg->addr);
free(pg);
}
-static inline struct page* __grab_cache_page(int index)
+#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);
/* arithmetic */
#define do_div(a,b) \
({ \
- unsigned long ret; \
- ret = (a)%(b); \
- (a) = (a)/(b); \
- (ret); \
+ unsigned long remainder;\
+ remainder = (a) % (b); \
+ (a) = (a) / (b); \
+ (remainder); \
})
/* VFS stuff */
-#define ATTR_MODE 1
-#define ATTR_UID 2
-#define ATTR_GID 4
-#define ATTR_SIZE 8
-#define ATTR_ATIME 16
-#define ATTR_MTIME 32
-#define ATTR_CTIME 64
-#define ATTR_ATIME_SET 128
-#define ATTR_MTIME_SET 256
-#define ATTR_FORCE 512 /* Not a change, but a change it */
-#define ATTR_ATTR_FLAG 1024
-#define ATTR_RAW 2048 /* file system, not vfs will massage attrs */
-#define ATTR_FROM_OPEN 4096 /* called from open path, ie O_TRUNC */
+#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
struct iattr {
unsigned int ia_valid;
unsigned int ia_attr_flags;
};
-/* copy from kernel header */
-#define IT_OPEN (1)
-#define IT_CREAT (1<<1)
-#define IT_READDIR (1<<2)
-#define IT_GETATTR (1<<3)
-#define IT_LOOKUP (1<<4)
-#define IT_UNLINK (1<<5)
-
+#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_CHDIR 0x0200
+
+#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 {
- int it_op;
- int it_mode;
- int it_flags;
- int it_disposition;
- int it_status;
- struct iattr *it_iattr;
- __u64 it_lock_handle[2];
- int it_lock_mode;
- void *it_data;
+ 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;
};
+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;
};
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 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;
int pid;
int fsuid;
int fsgid;
+ int max_groups;
+ int ngroups;
+ gid_t *groups;
__u32 cap_effective;
+
+ struct fs_struct __fs;
};
extern struct task_struct *current;
-
-#define in_group_p(a) 0 /* FIXME */
+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 TASK_INTERRUPTIBLE 0
#define TASK_UNINTERRUPTIBLE 1
#define TASK_RUNNING 2
+#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 { int a; a++; } while (0)
+#define schedule() do {} while (0)
static inline int schedule_timeout(signed long 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, int unknown)
-{
- return 0;
-}
-
-
+#define lock_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 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);
- void *data;
- int expires;
+ unsigned long data;
+ long expires;
};
static inline int timer_pending(struct timer_list *l)
#define atomic_add(b,a) do {(a)->counter += b;} while (0)
#define atomic_sub(b,a) do {(a)->counter -= b;} 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_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 portals_run_lbug_upcall(char *file, const char *fn,
+ const int l){}
+
#define LBUG() \
do { \
printf("!!!LBUG at %s:%d\n", __FILE__, __LINE__); \
sleep(1000000); \
} while (0)
+
+
+/* completion */
+struct completion {
+ unsigned int done;
+ wait_queue_head_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;
+ int (*llwc_fn)(void *arg);
+ void *llwc_arg;
+};
+
+void *liblustre_register_wait_callback(int (*fn)(void *arg), void *arg);
+void liblustre_deregister_wait_callback(void *notifier);
+int liblustre_wait_event(int timeout);
+
#include <linux/obd_support.h>
#include <linux/lustre_idl.h>
#include <linux/lustre_lib.h>
#endif
-
git://git.whamcloud.com / fs / lustre-release.git / blobdiff