3246 ZFS I/O deadman thread

[zfs.git] / include / sys / zfs_context.h

diff --git a/include/sys/zfs_context.h b/include/sys/zfs_context.h
index 53080f3..a23bfdc 100644 (file)
--- a/include/sys/zfs_context.h
+++ b/include/sys/zfs_context.h
@@ -25,6 +25,7 @@
 /*
  * Copyright 2011 Nexenta Systems, Inc. All rights reserved.
  * Copyright (c) 2012, Joyent, Inc. All rights reserved.
+ * Copyright (c) 2012 by Delphix. All rights reserved.
  */
 
 #ifndef _SYS_ZFS_CONTEXT_H
@@ -400,6 +401,8 @@ extern taskq_t      *taskq_create(const char *, int, pri_t, int, int, uint_t);
 #define        taskq_create_sysdc(a, b, d, e, p, dc, f) \
            (taskq_create(a, b, maxclsyspri, d, e, f))
 extern taskqid_t taskq_dispatch(taskq_t *, task_func_t, void *, uint_t);
+extern taskqid_t taskq_dispatch_delay(taskq_t *, task_func_t, void *, uint_t,
+    clock_t);
 extern void    taskq_dispatch_ent(taskq_t *, task_func_t, void *, uint_t,
     taskq_ent_t *);
 extern int     taskq_empty_ent(taskq_ent_t *);
@@ -407,6 +410,7 @@ extern void taskq_init_ent(taskq_ent_t *);
 extern void    taskq_destroy(taskq_t *);
 extern void    taskq_wait(taskq_t *);
 extern int     taskq_member(taskq_t *, kthread_t *);
+extern int     taskq_cancel_id(taskq_t *, taskqid_t);
 extern void    system_taskq_init(void);
 extern void    system_taskq_fini(void);
 
@@ -523,6 +527,11 @@ extern vnode_t *rootdir;
 
 extern void delay(clock_t ticks);
 
+#define        SEC_TO_TICK(sec)        ((sec) * hz)
+#define        MSEC_TO_TICK(msec)      ((msec) / (MILLISEC / hz))
+#define        USEC_TO_TICK(usec)      ((usec) / (MICROSEC / hz))
+#define        NSEC_TO_TICK(usec)      ((usec) / (NANOSEC / hz))
+
 #define        gethrestime_sec() time(NULL)
 #define        gethrestime(t) \
        do {\