NFSv4: Don't use GFP_KERNEL allocations in state recovery
[safe/jmp/linux-2.6] / fs / xfs / xfs_log.h
index 8a3e84e..97a24c7 100644 (file)
@@ -70,14 +70,8 @@ static inline xfs_lsn_t      _lsn_cmp(xfs_lsn_t lsn1, xfs_lsn_t lsn2)
  * Flags to xfs_log_force()
  *
  *     XFS_LOG_SYNC:   Synchronous force in-core log to disk
- *     XFS_LOG_FORCE:  Start in-core log write now.
- *     XFS_LOG_URGE:   Start write within some window of time.
- *
- * Note: Either XFS_LOG_FORCE or XFS_LOG_URGE must be set.
  */
 #define XFS_LOG_SYNC           0x1
-#define XFS_LOG_FORCE          0x2
-#define XFS_LOG_URGE           0x4
 
 #endif /* __KERNEL__ */
 
@@ -110,16 +104,12 @@ static inline xfs_lsn_t   _lsn_cmp(xfs_lsn_t lsn1, xfs_lsn_t lsn2)
 #define XLOG_REG_TYPE_TRANSHDR         19
 #define XLOG_REG_TYPE_MAX              19
 
-#define XLOG_VEC_SET_TYPE(vecp, t) ((vecp)->i_type = (t))
-
 typedef struct xfs_log_iovec {
-       xfs_caddr_t             i_addr;         /* beginning address of region */
+       xfs_caddr_t     i_addr;         /* beginning address of region */
        int             i_len;          /* length in bytes of region */
        uint            i_type;         /* type of region */
 } xfs_log_iovec_t;
 
-typedef void* xfs_log_ticket_t;
-
 /*
  * Structure used to pass callback function and the function's argument
  * to the log manager.
@@ -134,18 +124,25 @@ typedef struct xfs_log_callback {
 #ifdef __KERNEL__
 /* Log manager interfaces */
 struct xfs_mount;
+struct xlog_in_core;
 struct xlog_ticket;
+
 xfs_lsn_t xfs_log_done(struct xfs_mount *mp,
-                      xfs_log_ticket_t ticket,
-                      void             **iclog,
+                      struct xlog_ticket *ticket,
+                      struct xlog_in_core **iclog,
                       uint             flags);
 int      _xfs_log_force(struct xfs_mount *mp,
-                        xfs_lsn_t      lsn,
                         uint           flags,
                         int            *log_forced);
 void     xfs_log_force(struct xfs_mount        *mp,
-                       xfs_lsn_t               lsn,
                        uint                    flags);
+int      _xfs_log_force_lsn(struct xfs_mount *mp,
+                            xfs_lsn_t          lsn,
+                            uint               flags,
+                            int                *log_forced);
+void     xfs_log_force_lsn(struct xfs_mount    *mp,
+                           xfs_lsn_t           lsn,
+                           uint                flags);
 int      xfs_log_mount(struct xfs_mount        *mp,
                        struct xfs_buftarg      *log_target,
                        xfs_daddr_t             start_block,
@@ -154,25 +151,24 @@ int         xfs_log_mount_finish(struct xfs_mount *mp);
 void     xfs_log_move_tail(struct xfs_mount    *mp,
                            xfs_lsn_t           tail_lsn);
 int      xfs_log_notify(struct xfs_mount       *mp,
-                        void                   *iclog,
+                        struct xlog_in_core    *iclog,
                         xfs_log_callback_t     *callback_entry);
 int      xfs_log_release_iclog(struct xfs_mount *mp,
-                        void                    *iclog_hndl);
+                        struct xlog_in_core     *iclog);
 int      xfs_log_reserve(struct xfs_mount *mp,
                          int              length,
                          int              count,
-                         xfs_log_ticket_t *ticket,
+                         struct xlog_ticket **ticket,
                          __uint8_t        clientid,
                          uint             flags,
                          uint             t_type);
 int      xfs_log_write(struct xfs_mount *mp,
                        xfs_log_iovec_t  region[],
                        int              nentries,
-                       xfs_log_ticket_t ticket,
+                       struct xlog_ticket *ticket,
                        xfs_lsn_t        *start_lsn);
-int      xfs_log_unmount(struct xfs_mount *mp);
 int      xfs_log_unmount_write(struct xfs_mount *mp);
-void      xfs_log_unmount_dealloc(struct xfs_mount *mp);
+void      xfs_log_unmount(struct xfs_mount *mp);
 int      xfs_log_force_umount(struct xfs_mount *mp, int logerror);
 int      xfs_log_need_covered(struct xfs_mount *mp);