/*
* 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.
#include <sys/zil.h>
#include <sys/ddt.h>
#include <sys/vdev_impl.h>
+#include <sys/vdev_disk.h>
#include <sys/metaslab.h>
#include <sys/metaslab_impl.h>
#include <sys/uberblock_impl.h>
} zio_taskq_info_t;
static const char *const zio_taskq_types[ZIO_TASKQ_TYPES] = {
- "issue", "issue_high", "intr", "intr_high"
+ "iss", "iss_h", "int", "int_h"
};
/*
/* ISSUE ISSUE_HIGH INTR INTR_HIGH */
{ ZTI_ONE, ZTI_NULL, ZTI_ONE, ZTI_NULL },
{ ZTI_FIX(8), ZTI_NULL, ZTI_BATCH, ZTI_NULL },
- { ZTI_BATCH, ZTI_FIX(5), ZTI_FIX(8), ZTI_FIX(5) },
+ { ZTI_BATCH, ZTI_FIX(5), ZTI_FIX(16), ZTI_FIX(5) },
{ ZTI_FIX(100), ZTI_NULL, ZTI_ONE, ZTI_NULL },
{ ZTI_ONE, ZTI_NULL, ZTI_ONE, ZTI_NULL },
{ ZTI_ONE, ZTI_NULL, ZTI_ONE, ZTI_NULL },
static dsl_syncfunc_t spa_sync_props;
static boolean_t spa_has_active_shared_spare(spa_t *spa);
-static int spa_load_impl(spa_t *spa, uint64_t, nvlist_t *config,
+static inline int spa_load_impl(spa_t *spa, uint64_t, nvlist_t *config,
spa_load_state_t state, spa_import_type_t type, boolean_t mosconfig,
char **ereport);
static void spa_vdev_resilver_done(spa_t *spa);
zap_attribute_t za;
int err;
- VERIFY(nvlist_alloc(nvp, NV_UNIQUE_NAME, KM_SLEEP) == 0);
+ err = nvlist_alloc(nvp, NV_UNIQUE_NAME, KM_SLEEP);
+ if (err)
+ return err;
mutex_enter(&spa->spa_props_lock);
/* If no pool property object, no more prop to get. */
if (mos == NULL || spa->spa_pool_props_object == 0) {
mutex_exit(&spa->spa_props_lock);
- return (0);
+ goto out;
}
/*
dp = spa_get_dsl(spa);
rw_enter(&dp->dp_config_rwlock, RW_READER);
- if (err = dsl_dataset_hold_obj(dp,
- za.za_first_integer, FTAG, &ds)) {
+ if ((err = dsl_dataset_hold_obj(dp,
+ za.za_first_integer, FTAG, &ds))) {
rw_exit(&dp->dp_config_rwlock);
break;
}
{
nvpair_t *elem;
int error = 0, reset_bootfs = 0;
- uint64_t objnum;
+ uint64_t objnum = 0;
elem = NULL;
while ((elem = nvlist_next_nvpair(props, elem)) != NULL) {
break;
}
- if (error = dmu_objset_hold(strval, FTAG, &os))
+ if ((error = dmu_objset_hold(strval,FTAG,&os)))
break;
/* Must be ZPL and not gzip compressed. */
static taskq_t *
spa_taskq_create(spa_t *spa, const char *name, enum zti_modes mode,
- uint_t value)
+ uint_t value, uint_t flags)
{
- uint_t flags = TASKQ_PREPOPULATE;
boolean_t batch = B_FALSE;
switch (mode) {
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 = 0;
char name[32];
+ if (t == ZIO_TYPE_WRITE)
+ flags |= TASKQ_NORECLAIM;
+
(void) snprintf(name, sizeof (name),
"%s_%s", zio_type_name[t], zio_taskq_types[q]);
spa->spa_zio_taskq[t][q] =
- spa_taskq_create(spa, name, mode, value);
+ spa_taskq_create(spa, name, mode, value, flags);
}
}
}
-#ifdef _KERNEL
+#if defined(_KERNEL) && defined(HAVE_SPA_THREAD)
static void
spa_thread(void *arg)
{
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,
#endif
}
}
+#endif /* HAVE_SPA_THREAD */
mutex_exit(&spa->spa_proc_lock);
/* If we didn't create a process, we need to create our taskqs. */
uint_t nl2cache;
int i, j, oldnvdevs;
uint64_t guid;
- vdev_t *vd, **oldvdevs, **newvdevs;
+ vdev_t *vd, **oldvdevs, **newvdevs = NULL;
spa_aux_vdev_t *sav = &spa->spa_l2cache;
ASSERT(spa_config_held(spa, SCL_ALL, RW_WRITER) == SCL_ALL);
nvsize = *(uint64_t *)db->db_data;
dmu_buf_rele(db, FTAG);
- packed = kmem_alloc(nvsize, KM_SLEEP);
+ packed = kmem_alloc(nvsize, KM_SLEEP | KM_NODEBUG);
error = dmu_read(spa->spa_meta_objset, obj, 0, nvsize, packed,
DMU_READ_PREFETCH);
if (error == 0)
spa_check_removed(vd->vdev_child[c]);
if (vd->vdev_ops->vdev_op_leaf && vdev_is_dead(vd)) {
- zfs_post_autoreplace(vd->vdev_spa, vd);
- spa_event_notify(vd->vdev_spa, vd, ESC_ZFS_VDEV_CHECK);
+ zfs_ereport_post(FM_EREPORT_RESOURCE_AUTOREPLACE,
+ vd->vdev_spa, vd, NULL, 0, 0);
+ spa_event_notify(vd->vdev_spa, vd, FM_EREPORT_ZFS_DEVICE_CHECK);
}
}
* Load an existing storage pool, using the pool's builtin spa_config as a
* source of configuration information.
*/
-static int
+__attribute__((always_inline))
+static inline int
spa_load_impl(spa_t *spa, uint64_t pool_guid, nvlist_t *config,
spa_load_state_t state, spa_import_type_t type, boolean_t mosconfig,
char **ereport)
cmn_err(CE_WARN, "pool '%s' could not be "
"loaded as it was last accessed by "
"another system (host: %s hostid: 0x%lx). "
- "See: http://www.sun.com/msg/ZFS-8000-EY",
+ "See: http://zfsonlinux.org/msg/ZFS-8000-EY",
spa_name(spa), hostname,
(unsigned long)hostid);
return (EBADF);
* to start pushing transactions.
*/
if (state != SPA_LOAD_TRYIMPORT) {
- if (error = spa_load_verify(spa))
+ if ((error = spa_load_verify(spa)))
return (spa_vdev_err(rvd, VDEV_AUX_CORRUPT_DATA,
error));
}
}
}
- spa_event_notify(spa, NULL, ESC_ZFS_POOL_DESTROY);
+ spa_event_notify(spa, NULL, FM_EREPORT_ZFS_POOL_DESTROY);
if (spa->spa_state != POOL_STATE_UNINITIALIZED) {
spa_unload(spa);
spa_vdev_attach(spa_t *spa, uint64_t guid, nvlist_t *nvroot, int replacing)
{
uint64_t txg, dtl_max_txg;
- vdev_t *rvd = spa->spa_root_vdev;
+ ASSERTV(vdev_t *rvd = spa->spa_root_vdev;)
vdev_t *oldvd, *newvd, *newrootvd, *pvd, *tvd;
vdev_ops_t *pvops;
char *oldvdpath, *newvdpath;
if (newvd->vdev_isspare) {
spa_spare_activate(newvd);
- spa_event_notify(spa, newvd, ESC_ZFS_VDEV_SPARE);
+ spa_event_notify(spa, newvd, FM_EREPORT_ZFS_DEVICE_SPARE);
}
oldvdpath = spa_strdup(oldvd->vdev_path);
spa_strfree(newvdpath);
if (spa->spa_bootfs)
- spa_event_notify(spa, newvd, ESC_ZFS_BOOTFS_VDEV_ATTACH);
+ spa_event_notify(spa, newvd, FM_EREPORT_ZFS_BOOTFS_VDEV_ATTACH);
return (0);
}
{
uint64_t txg;
int error;
- vdev_t *rvd = spa->spa_root_vdev;
+ ASSERTV(vdev_t *rvd = spa->spa_root_vdev;)
vdev_t *vd, *pvd, *cvd, *tvd;
boolean_t unspare = B_FALSE;
- uint64_t unspare_guid;
+ uint64_t unspare_guid = 0;
char *vdpath;
int c, t;
vd->vdev_detached = B_TRUE;
vdev_dirty(tvd, VDD_DTL, vd, txg);
- spa_event_notify(spa, vd, ESC_ZFS_VDEV_REMOVE);
+ spa_event_notify(spa, vd, FM_EREPORT_ZFS_DEVICE_REMOVE);
/* hang on to the spa before we release the lock */
spa_open_ref(spa, FTAG);
static void
spa_async_autoexpand(spa_t *spa, vdev_t *vd)
{
- sysevent_id_t eid;
- nvlist_t *attr;
- char *physpath;
int c;
if (!spa->spa_autoexpand)
if (!vd->vdev_ops->vdev_op_leaf || vd->vdev_physpath == NULL)
return;
- physpath = kmem_zalloc(MAXPATHLEN, KM_SLEEP);
- (void) snprintf(physpath, MAXPATHLEN, "/devices%s", vd->vdev_physpath);
-
- VERIFY(nvlist_alloc(&attr, NV_UNIQUE_NAME, KM_SLEEP) == 0);
- VERIFY(nvlist_add_string(attr, DEV_PHYS_PATH, physpath) == 0);
-
- (void) ddi_log_sysevent(zfs_dip, SUNW_VENDOR, EC_DEV_STATUS,
- ESC_DEV_DLE, attr, &eid, DDI_SLEEP);
-
- nvlist_free(attr);
- kmem_free(physpath, MAXPATHLEN);
+ spa_event_notify(vd->vdev_spa, vd, FM_EREPORT_ZFS_DEVICE_AUTOEXPAND);
}
static void
* saves us a pre-read to get data we don't actually care about.
*/
bufsize = P2ROUNDUP(nvsize, SPA_CONFIG_BLOCKSIZE);
- packed = kmem_alloc(bufsize, KM_SLEEP);
+ packed = vmem_alloc(bufsize, KM_SLEEP);
VERIFY(nvlist_pack(nv, &packed, &nvsize, NV_ENCODE_XDR,
KM_SLEEP) == 0);
dmu_write(spa->spa_meta_objset, obj, 0, bufsize, packed, tx);
- kmem_free(packed, bufsize);
+ vmem_free(packed, bufsize);
VERIFY(0 == dmu_bonus_hold(spa->spa_meta_objset, obj, FTAG, &db));
dmu_buf_will_dirty(db, tx);
ddt_sync(spa, txg);
dsl_scan_sync(dp, tx);
- while (vd = txg_list_remove(&spa->spa_vdev_txg_list, txg))
+ while ((vd = txg_list_remove(&spa->spa_vdev_txg_list, txg)))
vdev_sync(vd, txg);
if (pass == 1)
/*
* Update usable space statistics.
*/
- while (vd = txg_list_remove(&spa->spa_vdev_txg_list, TXG_CLEAN(txg)))
+ while ((vd = txg_list_remove(&spa->spa_vdev_txg_list, TXG_CLEAN(txg))))
vdev_sync_done(vd, txg);
spa_update_dspace(spa);
}
/*
- * Post a sysevent corresponding to the given event. The 'name' must be one of
- * the event definitions in sys/sysevent/eventdefs.h. The payload will be
+ * Post a FM_EREPORT_ZFS_* event from sys/fm/fs/zfs.h. The payload will be
* filled in from the spa and (optionally) the vdev. This doesn't do anything
* in the userland libzpool, as we don't want consumers to misinterpret ztest
* or zdb as real changes.
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;
- sysevent_id_t eid;
-
- ev = sysevent_alloc(EC_ZFS, (char *)name, SUNW_KERN_PUB "zfs",
- SE_SLEEP);
-
- value.value_type = SE_DATA_TYPE_STRING;
- value.value.sv_string = spa_name(spa);
- if (sysevent_add_attr(&attr, ZFS_EV_POOL_NAME, &value, SE_SLEEP) != 0)
- goto done;
-
- value.value_type = SE_DATA_TYPE_UINT64;
- value.value.sv_uint64 = spa_guid(spa);
- if (sysevent_add_attr(&attr, ZFS_EV_POOL_GUID, &value, SE_SLEEP) != 0)
- goto done;
-
- if (vd) {
- value.value_type = SE_DATA_TYPE_UINT64;
- value.value.sv_uint64 = vd->vdev_guid;
- if (sysevent_add_attr(&attr, ZFS_EV_VDEV_GUID, &value,
- SE_SLEEP) != 0)
- goto done;
-
- if (vd->vdev_path) {
- value.value_type = SE_DATA_TYPE_STRING;
- value.value.sv_string = vd->vdev_path;
- if (sysevent_add_attr(&attr, ZFS_EV_VDEV_PATH,
- &value, SE_SLEEP) != 0)
- goto done;
- }
- }
-
- if (sysevent_attach_attributes(ev, attr) != 0)
- goto done;
- attr = NULL;
-
- (void) log_sysevent(ev, SE_SLEEP, &eid);
-
-done:
- if (attr)
- sysevent_free_attr(attr);
- sysevent_free(ev);
+ zfs_ereport_post(name, spa, vd, NULL, 0, 0);
#endif
}
+
+#if defined(_KERNEL) && defined(HAVE_SPL)
+/* state manipulation functions */
+EXPORT_SYMBOL(spa_open);
+EXPORT_SYMBOL(spa_open_rewind);
+EXPORT_SYMBOL(spa_get_stats);
+EXPORT_SYMBOL(spa_create);
+EXPORT_SYMBOL(spa_import_rootpool);
+EXPORT_SYMBOL(spa_import);
+EXPORT_SYMBOL(spa_tryimport);
+EXPORT_SYMBOL(spa_destroy);
+EXPORT_SYMBOL(spa_export);
+EXPORT_SYMBOL(spa_reset);
+EXPORT_SYMBOL(spa_async_request);
+EXPORT_SYMBOL(spa_async_suspend);
+EXPORT_SYMBOL(spa_async_resume);
+EXPORT_SYMBOL(spa_inject_addref);
+EXPORT_SYMBOL(spa_inject_delref);
+EXPORT_SYMBOL(spa_scan_stat_init);
+EXPORT_SYMBOL(spa_scan_get_stats);
+
+/* device maniion */
+EXPORT_SYMBOL(spa_vdev_add);
+EXPORT_SYMBOL(spa_vdev_attach);
+EXPORT_SYMBOL(spa_vdev_detach);
+EXPORT_SYMBOL(spa_vdev_remove);
+EXPORT_SYMBOL(spa_vdev_setpath);
+EXPORT_SYMBOL(spa_vdev_setfru);
+EXPORT_SYMBOL(spa_vdev_split_mirror);
+
+/* spare statech is global across all pools) */
+EXPORT_SYMBOL(spa_spare_add);
+EXPORT_SYMBOL(spa_spare_remove);
+EXPORT_SYMBOL(spa_spare_exists);
+EXPORT_SYMBOL(spa_spare_activate);
+
+/* L2ARC statech is global across all pools) */
+EXPORT_SYMBOL(spa_l2cache_add);
+EXPORT_SYMBOL(spa_l2cache_remove);
+EXPORT_SYMBOL(spa_l2cache_exists);
+EXPORT_SYMBOL(spa_l2cache_activate);
+EXPORT_SYMBOL(spa_l2cache_drop);
+
+/* scanning */
+EXPORT_SYMBOL(spa_scan);
+EXPORT_SYMBOL(spa_scan_stop);
+
+/* spa syncing */
+EXPORT_SYMBOL(spa_sync); /* only for DMU use */
+EXPORT_SYMBOL(spa_sync_allpools);
+
+/* properties */
+EXPORT_SYMBOL(spa_prop_set);
+EXPORT_SYMBOL(spa_prop_get);
+EXPORT_SYMBOL(spa_prop_clear_bootfs);
+
+/* asynchronous event notification */
+EXPORT_SYMBOL(spa_event_notify);
+#endif
git://git.camperquake.de / zfs.git / blobdiff