Add linux spa thread support

Disable the spa thread under Linux until it can be implemented.

Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>

diff --git a/module/zfs/spa.c b/module/zfs/spa.c
index dea58f1e6ae4b0bd7db8238805edfb595a84bc5f..a4e493ec873a07d07930d27f29174da2c41fc623 100644 (file)
--- a/module/zfs/spa.c
+++ b/module/zfs/spa.c
@@ -677,7 +677,7 @@ spa_create_zio_taskqs(spa_t *spa)
        }
 }
 
-#ifdef _KERNEL
+#if defined(_KERNEL) && defined(HAVE_SPA_THREAD)
 static void
 spa_thread(void *arg)
 {
@@ -767,6 +767,7 @@ spa_activate(spa_t *spa, int mode)
        ASSERT(spa->spa_proc == &p0);
        spa->spa_did = 0;
 
+#ifdef HAVE_SPA_THREAD
        /* Only create a process if we're going to be around a while. */
        if (spa_create_process && strcmp(spa->spa_name, TRYIMPORT_NAME) != 0) {
                if (newproc(spa_thread, (caddr_t)spa, syscid, maxclsyspri,
@@ -787,6 +788,7 @@ spa_activate(spa_t *spa, int mode)
 #endif
                }
        }
+#endif /* HAVE_SPA_THREAD */
        mutex_exit(&spa->spa_proc_lock);
 
        /* If we didn't create a process, we need to create our taskqs. */