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4101 metaslab_debug should allow for fine-grained control
4102 space_maps should store more information about themselves
4103 space map object blocksize should be increased
4104 ::spa_space no longer works
4105 removing a mirrored log device results in a leaked object
4106 asynchronously load metaslab
Reviewed by: Matthew Ahrens <mahrens@delphix.com>
Reviewed by: Adam Leventhal <ahl@delphix.com>
Reviewed by: Sebastien Roy <seb@delphix.com>


5319 
5320 static void *
5321 ztest_deadman_thread(void *arg)
5322 {
5323         ztest_shared_t *zs = arg;
5324         spa_t *spa = ztest_spa;
5325         hrtime_t delta, total = 0;
5326 
5327         for (;;) {
5328                 delta = zs->zs_thread_stop - zs->zs_thread_start +
5329                     MSEC2NSEC(zfs_deadman_synctime_ms);
5330 
5331                 (void) poll(NULL, 0, (int)NSEC2MSEC(delta));
5332 
5333                 /*
5334                  * If the pool is suspended then fail immediately. Otherwise,
5335                  * check to see if the pool is making any progress. If
5336                  * vdev_deadman() discovers that there hasn't been any recent
5337                  * I/Os then it will end up aborting the tests.
5338                  */
5339                 if (spa_suspended(spa)) {
5340                         fatal(0, "aborting test after %llu seconds because "
5341                             "pool has transitioned to a suspended state.",
5342                             zfs_deadman_synctime_ms / 1000);
5343                         return (NULL);
5344                 }
5345                 vdev_deadman(spa->spa_root_vdev);
5346 
5347                 total += zfs_deadman_synctime_ms/1000;
5348                 (void) printf("ztest has been running for %lld seconds\n",
5349                     total);
5350         }
5351 }
5352 
5353 static void
5354 ztest_execute(int test, ztest_info_t *zi, uint64_t id)
5355 {
5356         ztest_ds_t *zd = &ztest_ds[id % ztest_opts.zo_datasets];
5357         ztest_shared_callstate_t *zc = ZTEST_GET_SHARED_CALLSTATE(test);
5358         hrtime_t functime = gethrtime();
5359 




5319 
5320 static void *
5321 ztest_deadman_thread(void *arg)
5322 {
5323         ztest_shared_t *zs = arg;
5324         spa_t *spa = ztest_spa;
5325         hrtime_t delta, total = 0;
5326 
5327         for (;;) {
5328                 delta = zs->zs_thread_stop - zs->zs_thread_start +
5329                     MSEC2NSEC(zfs_deadman_synctime_ms);
5330 
5331                 (void) poll(NULL, 0, (int)NSEC2MSEC(delta));
5332 
5333                 /*
5334                  * If the pool is suspended then fail immediately. Otherwise,
5335                  * check to see if the pool is making any progress. If
5336                  * vdev_deadman() discovers that there hasn't been any recent
5337                  * I/Os then it will end up aborting the tests.
5338                  */
5339                 if (spa_suspended(spa) || spa->spa_root_vdev == NULL) {
5340                         fatal(0, "aborting test after %llu seconds because "
5341                             "pool has transitioned to a suspended state.",
5342                             zfs_deadman_synctime_ms / 1000);
5343                         return (NULL);
5344                 }
5345                 vdev_deadman(spa->spa_root_vdev);
5346 
5347                 total += zfs_deadman_synctime_ms/1000;
5348                 (void) printf("ztest has been running for %lld seconds\n",
5349                     total);
5350         }
5351 }
5352 
5353 static void
5354 ztest_execute(int test, ztest_info_t *zi, uint64_t id)
5355 {
5356         ztest_ds_t *zd = &ztest_ds[id % ztest_opts.zo_datasets];
5357         ztest_shared_callstate_t *zc = ZTEST_GET_SHARED_CALLSTATE(test);
5358         hrtime_t functime = gethrtime();
5359