* Copyright (c) 2017 Datto Inc.
* Copyright (c) 2017, Intel Corporation.
* Copyright (c) 2019, loli10K <ezomori.nozomu@gmail.com>. All rights reserved.
+ * Copyright (c) 2023, Klara Inc.
*/
#include <sys/zfs_context.h>
#include <sys/fs/zfs.h>
#include <sys/metaslab_impl.h>
#include <sys/arc.h>
+#include <sys/brt.h>
#include <sys/ddt.h>
#include <sys/kstat.h>
#include "zfs_prop.h"
uint_t spa_slop_shift = 5;
static const uint64_t spa_min_slop = 128ULL * 1024 * 1024;
static const uint64_t spa_max_slop = 128ULL * 1024 * 1024 * 1024;
-static const int spa_allocators = 4;
+/*
+ * Number of allocators to use, per spa instance
+ */
+static int spa_num_allocators = 4;
+
+/*
+ * Spa active allocator.
+ * Valid values are zfs_active_allocator=<dynamic|cursor|new-dynamic>.
+ */
+const char *zfs_active_allocator = "dynamic";
void
spa_load_failed(spa_t *spa, const char *fmt, ...)
zfs_dbgmsg("spa_load(%s, config %s): %s", spa->spa_name,
spa->spa_trust_config ? "trusted" : "untrusted", buf);
+
+ spa_import_progress_set_notes_nolog(spa, "%s", buf);
}
/*
return (1);
}
-void
-spa_config_enter(spa_t *spa, int locks, const void *tag, krw_t rw)
+static void
+spa_config_enter_impl(spa_t *spa, int locks, const void *tag, krw_t rw,
+ int mmp_flag)
{
(void) tag;
int wlocks_held = 0;
continue;
mutex_enter(&scl->scl_lock);
if (rw == RW_READER) {
- while (scl->scl_writer || scl->scl_write_wanted) {
+ while (scl->scl_writer ||
+ (!mmp_flag && scl->scl_write_wanted)) {
cv_wait(&scl->scl_cv, &scl->scl_lock);
}
} else {
ASSERT3U(wlocks_held, <=, locks);
}
+void
+spa_config_enter(spa_t *spa, int locks, const void *tag, krw_t rw)
+{
+ spa_config_enter_impl(spa, locks, tag, rw, 0);
+}
+
+/*
+ * The spa_config_enter_mmp() allows the mmp thread to cut in front of
+ * outstanding write lock requests. This is needed since the mmp updates are
+ * time sensitive and failure to service them promptly will result in a
+ * suspended pool. This pool suspension has been seen in practice when there is
+ * a single disk in a pool that is responding slowly and presumably about to
+ * fail.
+ */
+
+void
+spa_config_enter_mmp(spa_t *spa, int locks, const void *tag, krw_t rw)
+{
+ spa_config_enter_impl(spa, locks, tag, rw, 1);
+}
+
void
spa_config_exit(spa_t *spa, int locks, const void *tag)
{
spa->spa_deadman_synctime = MSEC2NSEC(zfs_deadman_synctime_ms);
spa->spa_deadman_ziotime = MSEC2NSEC(zfs_deadman_ziotime_ms);
spa_set_deadman_failmode(spa, zfs_deadman_failmode);
+ spa_set_allocator(spa, zfs_active_allocator);
zfs_refcount_create(&spa->spa_refcount);
spa_config_lock_init(spa);
if (altroot)
spa->spa_root = spa_strdup(altroot);
- spa->spa_alloc_count = spa_allocators;
+ /* Do not allow more allocators than CPUs. */
+ spa->spa_alloc_count = MIN(MAX(spa_num_allocators, 1), boot_ncpus);
+
spa->spa_allocs = kmem_zalloc(spa->spa_alloc_count *
sizeof (spa_alloc_t), KM_SLEEP);
for (int i = 0; i < spa->spa_alloc_count; i++) {
mutex_init(&spa->spa_allocs[i].spaa_lock, NULL, MUTEX_DEFAULT,
NULL);
avl_create(&spa->spa_allocs[i].spaa_tree, zio_bookmark_compare,
- sizeof (zio_t), offsetof(zio_t, io_alloc_node));
+ sizeof (zio_t), offsetof(zio_t, io_queue_node.a));
}
+
avl_create(&spa->spa_metaslabs_by_flushed, metaslab_sort_by_flushed,
sizeof (metaslab_t), offsetof(metaslab_t, ms_spa_txg_node));
avl_create(&spa->spa_sm_logs_by_txg, spa_log_sm_sort_by_txg,
spa->spa_min_ashift = INT_MAX;
spa->spa_max_ashift = 0;
spa->spa_min_alloc = INT_MAX;
+ spa->spa_gcd_alloc = INT_MAX;
/* Reset cached value */
spa->spa_dedup_dspace = ~0ULL;
if (spa->spa_root)
spa_strfree(spa->spa_root);
- while ((dp = list_head(&spa->spa_config_list)) != NULL) {
- list_remove(&spa->spa_config_list, dp);
+ while ((dp = list_remove_head(&spa->spa_config_list)) != NULL) {
if (dp->scd_path != NULL)
spa_strfree(dp->scd_path);
kmem_free(dp, sizeof (spa_config_dirent_t));
spa_update_dspace(spa_t *spa)
{
spa->spa_dspace = metaslab_class_get_dspace(spa_normal_class(spa)) +
- ddt_get_dedup_dspace(spa);
+ ddt_get_dedup_dspace(spa) + brt_get_dspace(spa);
if (spa->spa_nonallocating_dspace > 0) {
/*
* Subtract the space provided by all non-allocating vdevs that
uint64_t pool_guid; /* unique id for updates */
char *pool_name;
spa_load_state_t spa_load_state;
+ char *spa_load_notes;
uint64_t mmp_sec_remaining; /* MMP activity check */
uint64_t spa_load_max_txg; /* rewind txg */
procfs_list_node_t smh_node;
static int
spa_import_progress_show_header(struct seq_file *f)
{
- seq_printf(f, "%-20s %-14s %-14s %-12s %s\n", "pool_guid",
+ seq_printf(f, "%-20s %-14s %-14s %-12s %-16s %s\n", "pool_guid",
"load_state", "multihost_secs", "max_txg",
- "pool_name");
+ "pool_name", "notes");
return (0);
}
{
spa_import_progress_t *sip = (spa_import_progress_t *)data;
- seq_printf(f, "%-20llu %-14llu %-14llu %-12llu %s\n",
+ seq_printf(f, "%-20llu %-14llu %-14llu %-12llu %-16s %s\n",
(u_longlong_t)sip->pool_guid, (u_longlong_t)sip->spa_load_state,
(u_longlong_t)sip->mmp_sec_remaining,
(u_longlong_t)sip->spa_load_max_txg,
- (sip->pool_name ? sip->pool_name : "-"));
+ (sip->pool_name ? sip->pool_name : "-"),
+ (sip->spa_load_notes ? sip->spa_load_notes : "-"));
return (0);
}
sip = list_remove_head(&shl->procfs_list.pl_list);
if (sip->pool_name)
spa_strfree(sip->pool_name);
+ if (sip->spa_load_notes)
+ kmem_strfree(sip->spa_load_notes);
kmem_free(sip, sizeof (spa_import_progress_t));
shl->size--;
}
sip = list_prev(&shl->procfs_list.pl_list, sip)) {
if (sip->pool_guid == pool_guid) {
sip->spa_load_state = load_state;
+ if (sip->spa_load_notes != NULL) {
+ kmem_strfree(sip->spa_load_notes);
+ sip->spa_load_notes = NULL;
+ }
error = 0;
break;
}
return (error);
}
+static void
+spa_import_progress_set_notes_impl(spa_t *spa, boolean_t log_dbgmsg,
+ const char *fmt, va_list adx)
+{
+ spa_history_list_t *shl = spa_import_progress_list;
+ spa_import_progress_t *sip;
+ uint64_t pool_guid = spa_guid(spa);
+
+ if (shl->size == 0)
+ return;
+
+ char *notes = kmem_vasprintf(fmt, adx);
+
+ mutex_enter(&shl->procfs_list.pl_lock);
+ for (sip = list_tail(&shl->procfs_list.pl_list); sip != NULL;
+ sip = list_prev(&shl->procfs_list.pl_list, sip)) {
+ if (sip->pool_guid == pool_guid) {
+ if (sip->spa_load_notes != NULL) {
+ kmem_strfree(sip->spa_load_notes);
+ sip->spa_load_notes = NULL;
+ }
+ sip->spa_load_notes = notes;
+ if (log_dbgmsg)
+ zfs_dbgmsg("'%s' %s", sip->pool_name, notes);
+ notes = NULL;
+ break;
+ }
+ }
+ mutex_exit(&shl->procfs_list.pl_lock);
+ if (notes != NULL)
+ kmem_strfree(notes);
+}
+
+void
+spa_import_progress_set_notes(spa_t *spa, const char *fmt, ...)
+{
+ va_list adx;
+
+ va_start(adx, fmt);
+ spa_import_progress_set_notes_impl(spa, B_TRUE, fmt, adx);
+ va_end(adx);
+}
+
+void
+spa_import_progress_set_notes_nolog(spa_t *spa, const char *fmt, ...)
+{
+ va_list adx;
+
+ va_start(adx, fmt);
+ spa_import_progress_set_notes_impl(spa, B_FALSE, fmt, adx);
+ va_end(adx);
+}
+
int
spa_import_progress_set_max_txg(uint64_t pool_guid, uint64_t load_max_txg)
{
{
spa_history_list_t *shl = spa_import_progress_list;
spa_import_progress_t *sip;
- char *poolname = NULL;
+ const char *poolname = NULL;
sip = kmem_zalloc(sizeof (spa_import_progress_t), KM_SLEEP);
sip->pool_guid = spa_guid(spa);
poolname = spa_name(spa);
sip->pool_name = spa_strdup(poolname);
sip->spa_load_state = spa_load_state(spa);
+ sip->spa_load_notes = NULL;
mutex_enter(&shl->procfs_list.pl_lock);
procfs_list_add(&shl->procfs_list, sip);
if (sip->pool_guid == pool_guid) {
if (sip->pool_name)
spa_strfree(sip->pool_name);
+ if (sip->spa_load_notes)
+ spa_strfree(sip->spa_load_notes);
list_remove(&shl->procfs_list.pl_list, sip);
shl->size--;
kmem_free(sip, sizeof (spa_import_progress_t));
unique_init();
zfs_btree_init();
metaslab_stat_init();
+ brt_init();
ddt_init();
zio_init();
dmu_init();
zil_init();
- vdev_cache_stat_init();
vdev_mirror_stat_init();
vdev_raidz_math_init();
vdev_file_init();
spa_evict_all();
vdev_file_fini();
- vdev_cache_stat_fini();
vdev_mirror_stat_fini();
vdev_raidz_math_fini();
chksum_fini();
dmu_fini();
zio_fini();
ddt_fini();
+ brt_fini();
metaslab_stat_fini();
zfs_btree_fini();
unique_fini();
spa->spa_scan_pass_scrub_pause = spa->spa_scan_pass_start;
else
spa->spa_scan_pass_scrub_pause = 0;
+
+ if (dsl_errorscrub_is_paused(spa->spa_dsl_pool->dp_scan))
+ spa->spa_scan_pass_errorscrub_pause = spa->spa_scan_pass_start;
+ else
+ spa->spa_scan_pass_errorscrub_pause = 0;
+
spa->spa_scan_pass_scrub_spent_paused = 0;
spa->spa_scan_pass_exam = 0;
spa->spa_scan_pass_issued = 0;
+
+ // error scrub stats
+ spa->spa_scan_pass_errorscrub_spent_paused = 0;
}
/*
{
dsl_scan_t *scn = spa->spa_dsl_pool ? spa->spa_dsl_pool->dp_scan : NULL;
- if (scn == NULL || scn->scn_phys.scn_func == POOL_SCAN_NONE)
+ if (scn == NULL || (scn->scn_phys.scn_func == POOL_SCAN_NONE &&
+ scn->errorscrub_phys.dep_func == POOL_SCAN_NONE))
return (SET_ERROR(ENOENT));
+
memset(ps, 0, sizeof (pool_scan_stat_t));
/* data stored on disk */
ps->pss_end_time = scn->scn_phys.scn_end_time;
ps->pss_to_examine = scn->scn_phys.scn_to_examine;
ps->pss_examined = scn->scn_phys.scn_examined;
- ps->pss_to_process = scn->scn_phys.scn_to_process;
+ ps->pss_skipped = scn->scn_phys.scn_skipped;
ps->pss_processed = scn->scn_phys.scn_processed;
ps->pss_errors = scn->scn_phys.scn_errors;
ps->pss_issued =
scn->scn_issued_before_pass + spa->spa_scan_pass_issued;
+ /* error scrub data stored on disk */
+ ps->pss_error_scrub_func = scn->errorscrub_phys.dep_func;
+ ps->pss_error_scrub_state = scn->errorscrub_phys.dep_state;
+ ps->pss_error_scrub_start = scn->errorscrub_phys.dep_start_time;
+ ps->pss_error_scrub_end = scn->errorscrub_phys.dep_end_time;
+ ps->pss_error_scrub_examined = scn->errorscrub_phys.dep_examined;
+ ps->pss_error_scrub_to_be_examined =
+ scn->errorscrub_phys.dep_to_examine;
+
+ /* error scrub data not stored on disk */
+ ps->pss_pass_error_scrub_pause = spa->spa_scan_pass_errorscrub_pause;
+
return (0);
}
vdev_state_t state = rvd->vdev_state;
vdev_aux_t aux = rvd->vdev_stat.vs_aux;
- if (spa_suspended(spa) &&
- (spa_get_failmode(spa) != ZIO_FAILURE_MODE_CONTINUE))
+ if (spa_suspended(spa))
return ("SUSPENDED");
switch (state) {
ZFS_MODULE_PARAM_CALL(zfs_spa, spa_, slop_shift, param_set_slop_shift,
param_get_uint, ZMOD_RW, "Reserved free space in pool");
+
+ZFS_MODULE_PARAM(zfs, spa_, num_allocators, INT, ZMOD_RW,
+ "Number of allocators per spa, capped by ncpus");
projects / mirror_zfs.git / blobdiff