-#ifndef LIBLUSTRE_H__
-#define LIBLUSTRE_H__
-
-/** \defgroup liblustre liblustre
- *
- * @{
- */
-#include <fcntl.h>
-#include <endian.h>
-#include <sys/queue.h>
-
-#ifdef __KERNEL__
-#error Kernel files should not #include <liblustre.h>
-#endif
-
-#include <libcfs/libcfs.h>
-#include <lnet/lnet.h>
-
-/* definitions for liblustre */
-
-#ifdef __CYGWIN__
-
-#define loff_t long long
-#define ERESTART 2001
-typedef unsigned short umode_t;
-
-#endif
-
-#ifndef page_private
-#define page_private(page) ((page)->private)
-#define set_page_private(page, v) ((page)->private = (v))
-#endif
-
-/* 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
- */
-
-static inline int ext2_set_bit(int nr, void *addr)
-{
-#if __BYTE_ORDER == __BIG_ENDIAN
- return set_bit((nr ^ ((BITS_PER_LONG - 1) & ~0x7)), addr);
-#else
- return set_bit(nr, addr);
-#endif
-}
-
-static inline int ext2_clear_bit(int nr, void *addr)
-{
-#if __BYTE_ORDER == __BIG_ENDIAN
- return clear_bit((nr ^ ((BITS_PER_LONG - 1) & ~0x7)), addr);
-#else
- return clear_bit(nr, addr);
-#endif
-}
-
-static inline int ext2_test_bit(int nr, const void *addr)
-{
-#if __BYTE_ORDER == __BIG_ENDIAN
- const unsigned char *tmp = addr;
- return (tmp[nr >> 3] >> (nr & 7)) & 1;
-#else
- return test_bit(nr, addr);
-#endif
-}
-
-/* module initialization */
-extern int init_obdclass(void);
-extern int ptlrpc_init(void);
-extern int ldlm_init(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);
-
-/* general stuff */
-
-#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; })
-#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
-
-#ifdef HZ
-#undef HZ
-#endif
-#define HZ 1
-
-/* random */
-
-void cfs_get_random_bytes(void *ptr, int size);
-
-/* memory */
-
-/* memory size: used for some client tunables */
-#define totalram_pages (256 * 1024) /* 1GB */
-#define NUM_CACHEPAGES totalram_pages
-
-
-/* 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
-#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;
- 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;
-};
-
-/* defined in kernel header include/linux/namei.h */
-#define INTENT_MAGIC 0x19620323
-
-struct lustre_intent_data {
- int it_disposition;
- int it_status;
- __u64 it_lock_handle;
- int it_lock_mode;
- int it_remote_lock_mode;
- __u64 it_remote_lock_handle;
- void *it_data;
-
- unsigned int it_lock_set:1;
-};
-
-struct lookup_intent {
- int it_magic;
- void (*it_op_release)(struct lookup_intent *);
- int it_op;
- int it_create_mode;
- __u64 it_flags;
- union {
- struct lustre_intent_data lustre;
- } d;
-};
-
-static inline int it_disposition(const struct lookup_intent *it, int flag)
-{
- return it->d.lustre.it_disposition & flag;
-}
-
-static inline void it_set_disposition(struct lookup_intent *it, int flag)
-{
- it->d.lustre.it_disposition |= flag;
-}
-
-static inline void it_clear_disposition(struct lookup_intent *it, int flag)
-{
- it->d.lustre.it_disposition &= ~flag;
-}
-
-#undef LL_TASK_CL_ENV
-#define LL_TASK_CL_ENV cl_env
-
-struct task_struct {
- int state;
- char comm[32];
- int uid;
- int gid;
- int pid;
- int fsuid;
- int fsgid;
- int max_groups;
- int ngroups;
- gid_t *groups;
- void *cl_env;
- __u32 cap_effective;
-};
-
-
-#define current_pid() (current->pid)
-#define current_comm() (current->comm)
-#define current_fsuid() (current->fsuid)
-#define current_fsgid() (current->fsgid)
-#define current_umask() ({ mode_t mask = umask(0); umask(mask); mask; })
-
-extern struct task_struct *current;
-int in_group_p(gid_t gid);
-
-#define set_current_state(foo) do { current->state = foo; } while (0)
-
-#define wait_event_interruptible(wq, condition) \
-{ \
- struct l_wait_info lwi; \
- int timeout = 100000000;/* forever */ \
- int ret; \
- \
- lwi = LWI_TIMEOUT(timeout, NULL, NULL); \
- ret = l_wait_event(NULL, condition, &lwi); \
- \
- ret; \
-}
-
-#define call_usermodehelper(path, argv, envp, wait) (0)
-
-#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
-
-#ifndef likely
-#define likely(exp) (exp)
-#endif
-#ifndef unlikely
-#define unlikely(exp) (exp)
-#endif
-
-#define 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 Cray, 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;
-
-cap_t cap_get_proc(void);
-int cap_get_flag(cap_t, cap_value_t, cap_flag_t, cap_flag_value_t *);
-
-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);
-
-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;
- wait_queue_head_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 */
-};
-
-#define flock_type(fl) ((fl)->fl_type)
-#define flock_set_type(fl, type) do { (fl)->fl_type = (type); } while (0)
-#define flock_pid(fl) ((fl)->fl_pid)
-#define flock_set_pid(fl, pid) do { (fl)->fl_pid = (pid); } while (0)
-#define flock_start(fl) ((fl)->fl_start)
-#define flock_set_start(fl, st) do { (fl)->fl_start = (st); } while (0)
-#define flock_end(fl) ((fl)->fl_end)
-#define 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
-/* 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
-
-/* quota */
-#define QUOTA_OK 0
-#define NO_QUOTA 1
-
-/* ACL */
-typedef struct {
- __u16 e_tag;
- __u16 e_perm;
- __u32 e_id;
-} posix_acl_xattr_entry;
-
-struct posix_acl {
- atomic_t a_refcount;
- unsigned int a_count;
- posix_acl_xattr_entry a_entries[0];
-};
-
-typedef struct {
- __u32 a_version;
- posix_acl_xattr_entry a_entries[0];
-} posix_acl_xattr_header;
-
-static inline size_t posix_acl_xattr_size(int count)
-{
- return sizeof(posix_acl_xattr_header) + count *
- sizeof(posix_acl_xattr_entry);
-}
-
-static inline
-struct posix_acl * posix_acl_from_xattr(const void *value, size_t size)
-{
- return NULL;
-}
-
-/* The kernel version takes 3 arguments, so strip that off first. */
-#define posix_acl_from_xattr(a,b,c) posix_acl_from_xattr(b,c)
-#define posix_acl_to_xattr(a,b,c) posix_acl_to_xattr(b,c)
-
-static inline
-int posix_acl_valid(const struct posix_acl *acl)
-{
- return 0;
-}
-
-static inline
-void posix_acl_release(struct posix_acl *acl)
-{
-}
-
-#if defined(LIBLUSTRE_POSIX_ACL) && !defined(CONFIG_FS_POSIX_ACL)
-# define CONFIG_FS_POSIX_ACL 1
-#endif
-
-#ifndef ENOTSUPP
-#define ENOTSUPP ENOTSUP
-#endif
-
-typedef int mm_segment_t;
-
-#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_import.h>
-#include <lustre_export.h>
-#include <lustre_net.h>
-
-/** @} liblustre */
-
-#endif
git://git.whamcloud.com / fs / lustre-release.git / commitdiff