LU-1330 obdclass: add obd_target.h

[fs/lustre-release.git] / lustre / include / liblustre.h

diff --git a/lustre/include/liblustre.h b/lustre/include/liblustre.h
index 6485b70..cf41790 100644 (file)
--- a/lustre/include/liblustre.h
+++ b/lustre/include/liblustre.h
@@ -27,7 +27,7 @@
  * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
  * Use is subject to license terms.
  *
- * Copyright (c) 2011, 2012, Whamcloud, Inc.
+ * Copyright (c) 2011, 2013, Intel Corporation.
  */
 /*
  * This file is part of Lustre, http://www.lustre.org/
@@ -65,10 +65,6 @@ typedef unsigned short cfs_umode_t;
 
 #endif
 
-/* always adopt 2.6.9 definitions */
-#define KERNEL_VERSION(a,b,c) ((a)*100+(b)*10+c)
-#define LINUX_VERSION_CODE KERNEL_VERSION(2,6,9)
-
 #ifndef page_private
 #define page_private(page) ((page)->private)
 #define set_page_private(page, v) ((page)->private = (v))
@@ -94,18 +90,18 @@ void *inter_module_get(char *arg);
 static __inline__ int ext2_set_bit(int nr, void *addr)
 {
 #ifdef __BIG_ENDIAN
-        return cfs_set_bit((nr ^ ((BITS_PER_LONG-1) & ~0x7)), addr);
+       return set_bit((nr ^ ((BITS_PER_LONG-1) & ~0x7)), addr);
 #else
-        return cfs_set_bit(nr, addr);
+       return set_bit(nr, addr);
 #endif
 }
 
-static __inline__ int ext2_clear_bit(int nr, void *addr)
+static inline int ext2_clear_bit(int nr, void *addr)
 {
 #ifdef __BIG_ENDIAN
-        return cfs_clear_bit((nr ^ ((BITS_PER_LONG-1) & ~0x7)), addr);
+       return clear_bit((nr ^ ((BITS_PER_LONG-1) & ~0x7)), addr);
 #else
-        return cfs_clear_bit(nr, addr);
+       return clear_bit(nr, addr);
 #endif
 }
 
@@ -115,7 +111,7 @@ static __inline__ int ext2_test_bit(int nr, void *addr)
         __const__ unsigned char *tmp = (__const__ unsigned char *) addr;
         return (tmp[nr >> 3] >> (nr & 7)) & 1;
 #else
-        return cfs_test_bit(nr, addr);
+       return test_bit(nr, addr);
 #endif
 }
 
@@ -135,8 +131,6 @@ extern int echo_client_init(void);
 
 /* general stuff */
 
-typedef __u64 kdev_t;
-
 #ifndef min
 #define min(x,y) ((x)<(y) ? (x) : (y))
 #endif
@@ -169,8 +163,8 @@ void cfs_get_random_bytes(void *ptr, int size);
 /* memory */
 
 /* memory size: used for some client tunables */
-#define cfs_num_physpages  (256 * 1024) /* 1GB */
-#define CFS_NUM_CACHEPAGES cfs_num_physpages
+#define num_physpages  (256 * 1024) /* 1GB */
+#define NUM_CACHEPAGES num_physpages
 
 
 /* VFS stuff */
@@ -205,8 +199,6 @@ struct iattr {
         unsigned int    ia_attr_flags;
 };
 
-#define ll_iattr iattr
-
 /* defined in kernel header include/linux/namei.h */
 #define INTENT_MAGIC 0x19620323
 
@@ -214,9 +206,14 @@ struct lustre_intent_data {
         int       it_disposition;
         int       it_status;
         __u64     it_lock_handle;
-        void     *it_data;
         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 *);
@@ -274,6 +271,7 @@ typedef struct task_struct cfs_task_t;
 #define cfs_curproc_comm()      (current->comm)
 #define cfs_curproc_fsuid()     (current->fsuid)
 #define cfs_curproc_fsgid()     (current->fsgid)
+#define cfs_curproc_umask()     ({ mode_t mask = umask(0); umask(mask); mask; })
 
 extern struct task_struct *current;
 int cfs_curproc_is_in_groups(gid_t gid);
@@ -292,8 +290,6 @@ int cfs_curproc_is_in_groups(gid_t gid);
         ret;                                                            \
 }
 
-#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)
@@ -375,7 +371,7 @@ struct nfs_lock_info {
         void            *host;
 };
 
-typedef struct file_lock {
+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 */
@@ -398,16 +394,16 @@ typedef struct file_lock {
         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)
+#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)))
@@ -462,6 +458,10 @@ 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)
 {
@@ -498,6 +498,9 @@ 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)
 
+struct inode *igrab(struct inode *inode);
+void iput(struct inode *inode);
+
 #include <obd_support.h>
 #include <lustre/lustre_idl.h>
 #include <lustre_lib.h>