Revert "Disable direct reclaim on zvols"

[zfs.git] / module / zfs / spa.c

diff --git a/module/zfs/spa.c b/module/zfs/spa.c
index 868a0d9..a43b883 100644 (file)
--- a/module/zfs/spa.c
+++ b/module/zfs/spa.c
@@ -22,6 +22,9 @@
 /*
  * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
  */
+/*
+ * Copyright 2011 Nexenta Systems, Inc. All rights reserved.
+ */
 
 /*
  * This file contains all the routines used when modifying on-disk SPA state.
@@ -107,7 +110,7 @@ const zio_taskq_info_t zio_taskqs[ZIO_TYPES][ZIO_TASKQ_TYPES] = {
        { ZTI_ONE,      ZTI_NULL,       ZTI_ONE,        ZTI_NULL },
        { ZTI_FIX(8),   ZTI_NULL,       ZTI_BATCH,      ZTI_NULL },
        { ZTI_BATCH,    ZTI_FIX(5),     ZTI_FIX(16),    ZTI_FIX(5) },
-       { ZTI_FIX(100), ZTI_NULL,       ZTI_ONE,        ZTI_NULL },
+       { ZTI_PCT(100), ZTI_NULL,       ZTI_ONE,        ZTI_NULL },
        { ZTI_ONE,      ZTI_NULL,       ZTI_ONE,        ZTI_NULL },
        { ZTI_ONE,      ZTI_NULL,       ZTI_ONE,        ZTI_NULL },
 };
@@ -665,7 +668,7 @@ spa_create_zio_taskqs(spa_t *spa)
                        const zio_taskq_info_t *ztip = &zio_taskqs[t][q];
                        enum zti_modes mode = ztip->zti_mode;
                        uint_t value = ztip->zti_value;
-                       uint_t flags = TASKQ_PREPOPULATE;
+                       uint_t flags = 0;
                        char name[32];
 
                        if (t == ZIO_TYPE_WRITE)
@@ -1004,8 +1007,10 @@ spa_unload(spa_t *spa)
        }
        spa->spa_spares.sav_count = 0;
 
-       for (i = 0; i < spa->spa_l2cache.sav_count; i++)
+       for (i = 0; i < spa->spa_l2cache.sav_count; i++) {
+               vdev_clear_stats(spa->spa_l2cache.sav_vdevs[i]);
                vdev_free(spa->spa_l2cache.sav_vdevs[i]);
+       }
        if (spa->spa_l2cache.sav_vdevs) {
                kmem_free(spa->spa_l2cache.sav_vdevs,
                    spa->spa_l2cache.sav_count * sizeof (void *));
@@ -1228,11 +1233,13 @@ spa_load_l2cache(spa_t *spa)
 
                vd = oldvdevs[i];
                if (vd != NULL) {
+                       ASSERT(vd->vdev_isl2cache);
+
                        if (spa_l2cache_exists(vd->vdev_guid, &pool) &&
                            pool != 0ULL && l2arc_vdev_present(vd))
                                l2arc_remove_vdev(vd);
-                       (void) vdev_close(vd);
-                       spa_l2cache_remove(vd);
+                       vdev_clear_stats(vd);
+                       vdev_free(vd);
                }
        }
 
@@ -2740,6 +2747,7 @@ spa_validate_aux_devs(spa_t *spa, nvlist_t *nvroot, uint64_t crtxg, int mode,
                if ((strcmp(config, ZPOOL_CONFIG_L2CACHE) == 0) &&
                    strcmp(vd->vdev_ops->vdev_op_type, VDEV_TYPE_DISK) != 0) {
                        error = ENOTBLK;
+                       vdev_free(vd);
                        goto out;
                }
 #endif
@@ -2849,10 +2857,6 @@ spa_l2cache_drop(spa_t *spa)
                if (spa_l2cache_exists(vd->vdev_guid, &pool) &&
                    pool != 0ULL && l2arc_vdev_present(vd))
                        l2arc_remove_vdev(vd);
-               if (vd->vdev_isl2cache)
-                       spa_l2cache_remove(vd);
-               vdev_clear_stats(vd);
-               (void) vdev_close(vd);
        }
 }
 
@@ -3848,7 +3852,7 @@ spa_vdev_attach(spa_t *spa, uint64_t guid, nvlist_t *nvroot, int replacing)
        pvd = oldvd->vdev_parent;
 
        if ((error = spa_config_parse(spa, &newrootvd, nvroot, NULL, 0,
-           VDEV_ALLOC_ADD)) != 0)
+           VDEV_ALLOC_ATTACH)) != 0)
                return (spa_vdev_exit(spa, NULL, txg, EINVAL));
 
        if (newrootvd->vdev_children != 1)