Share some code for spa deadman tunables

We need to do the same thing to update all spas on any OS for these
tunables, so let's share the code.

While here let's match the types of the literals initializing the
variables with the type of the variable.

Reviewed-by: Allan Jude <[email protected]>
Reviewed-by: Brian Behlendorf <[email protected]>
Reviewed-by: Olaf Faaland <[email protected]>
Signed-off-by: Ryan Moeller <[email protected]>
Closes #9964 

1 files changed, 29 insertions, 3 deletions

diff --git a/module/zfs/spa_misc.c b/module/zfs/spa_misc.c
index fe086d7b3..6f0783468 100644
--- a/module/zfs/spa_misc.c
+++ b/module/zfs/spa_misc.c
@@ -303,20 +303,20 @@ int zfs_free_leak_on_eio = B_FALSE;
  * has not completed in zfs_deadman_synctime_ms is considered "hung" resulting
  * in one of three behaviors controlled by zfs_deadman_failmode.
  */
-unsigned long zfs_deadman_synctime_ms = 600000ULL;
+unsigned long zfs_deadman_synctime_ms = 600000UL;
 
 /*
  * This value controls the maximum amount of time zio_wait() will block for an
  * outstanding IO.  By default this is 300 seconds at which point the "hung"
  * behavior will be applied as described for zfs_deadman_synctime_ms.
  */
-unsigned long zfs_deadman_ziotime_ms = 300000ULL;
+unsigned long zfs_deadman_ziotime_ms = 300000UL;
 
 /*
  * Check time in milliseconds. This defines the frequency at which we check
  * for hung I/O.
  */
-unsigned long zfs_deadman_checktime_ms = 60000ULL;
+unsigned long zfs_deadman_checktime_ms = 60000UL;
 
 /*
  * By default the deadman is enabled.
@@ -1999,6 +1999,32 @@ spa_set_deadman_failmode(spa_t *spa, const char *failmode)
 		spa->spa_deadman_failmode = ZIO_FAILURE_MODE_WAIT;
 }
 
+void
+spa_set_deadman_ziotime(hrtime_t ns)
+{
+	spa_t *spa = NULL;
+
+	if (spa_mode_global != SPA_MODE_UNINIT) {
+		mutex_enter(&spa_namespace_lock);
+		while ((spa = spa_next(spa)) != NULL)
+			spa->spa_deadman_ziotime = ns;
+		mutex_exit(&spa_namespace_lock);
+	}
+}
+
+void
+spa_set_deadman_synctime(hrtime_t ns)
+{
+	spa_t *spa = NULL;
+
+	if (spa_mode_global != SPA_MODE_UNINIT) {
+		mutex_enter(&spa_namespace_lock);
+		while ((spa = spa_next(spa)) != NULL)
+			spa->spa_deadman_synctime = ns;
+		mutex_exit(&spa_namespace_lock);
+	}
+}
+
 uint64_t
 dva_get_dsize_sync(spa_t *spa, const dva_t *dva)
 {