Refresh linux-have-sysevent

.topdeps

@@ -1 +1 @@
-zfs-branch
+linux-kernel-module

.topmsg

@@ -1,11 +1,15 @@
 From: Brian Behlendorf <behlendorf1@llnl.gov>
-Subject: [PATCH] linux kernel module
+Subject: [PATCH] linux have sysevent
 
-Setup linux kernel module support, this includes:
+Use sysevent if HAVE_SYSEVENT defined
-- zfs context for kernel/user
+
-- kernel module build system integration
+We don't have FMA in Linux, so disable spa_event_notify() to allow
-- kernel module macros
+compilation.  It would be a good idea to code at least some kind of
-- kernel module symbol export
+ad-hoc notification for such events, e.g., make it output some syslog
-- kernel module options
+messages when a disk faults/fails.
+
+Also, I think it's FMA in Solaris that is responsible for triggering the
+hot spares when a disk starts failing, so we should also think about
+doing this in Linux.
 
 Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>

zfs/lib/libzpool/include/sys/spa.h

@@ -530,7 +530,11 @@ extern int spa_prop_get(spa_t *spa, nvlist_t **nvp);
 extern void spa_prop_clear_bootfs(spa_t *spa, uint64_t obj, dmu_tx_t *tx);
 
 /* asynchronous event notification */
+#ifdef HAVE_SYSEVENT
 extern void spa_event_notify(spa_t *spa, vdev_t *vdev, const char *name);
+#else
+#define spa_event_notify(s,v,n) ((void)0)
+#endif
 
 #ifdef ZFS_DEBUG
 #define	dprintf_bp(bp, fmt, ...) do {				\

zfs/lib/libzpool/spa.c

@@ -4252,10 +4252,10 @@ spa_has_active_shared_spare(spa_t *spa)
  * in the userland libzpool, as we don't want consumers to misinterpret ztest
  * or zdb as real changes.
  */
+#ifdef HAVE_SYSEVENT
 void
 spa_event_notify(spa_t *spa, vdev_t *vd, const char *name)
 {
-#ifdef _KERNEL
 	sysevent_t		*ev;
 	sysevent_attr_list_t	*attr = NULL;
 	sysevent_value_t	value;
@@ -4300,8 +4300,8 @@ done:
 	if (attr)
 		sysevent_free_attr(attr);
 	sysevent_free(ev);
-#endif
 }
+#endif /* HAVE_SYSEVENT */
 
 #if defined(_KERNEL) && defined(HAVE_SPL)
 /* state manipulation functions */