Merge commit 'refs/top-bases/linux-zpios' into linux-zpios
This commit is contained in:
Brian Behlendorf
commit
665c272091
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@ -52,7 +52,6 @@
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#include <sys/zfs_fuid.h>
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#include <sys/arc.h>
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#undef ZFS_MAXNAMELEN
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#undef verify
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#include <libzfs.h>
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const char cmdname[] = "zdb";
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@ -25,8 +25,6 @@
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#include <libzfs.h>
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#undef verify /* both libzfs.h and zfs_context.h want to define this */
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#include <sys/zfs_context.h>
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#include <errno.h>
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@ -138,7 +138,7 @@ typedef struct ztest_args {
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spa_t *za_spa;
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objset_t *za_os;
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zilog_t *za_zilog;
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thread_t za_thread;
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pthread_t za_thread;
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uint64_t za_instance;
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uint64_t za_random;
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uint64_t za_diroff;
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@ -164,6 +164,7 @@ typedef void ztest_func_t(ztest_args_t *);
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ztest_func_t ztest_dmu_read_write;
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ztest_func_t ztest_dmu_write_parallel;
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ztest_func_t ztest_dmu_object_alloc_free;
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ztest_func_t ztest_dmu_commit_callbacks;
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ztest_func_t ztest_zap;
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ztest_func_t ztest_zap_parallel;
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ztest_func_t ztest_traverse;
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@ -198,6 +199,7 @@ ztest_info_t ztest_info[] = {
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{ ztest_dmu_read_write, 1, &zopt_always },
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{ ztest_dmu_write_parallel, 30, &zopt_always },
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{ ztest_dmu_object_alloc_free, 1, &zopt_always },
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{ ztest_dmu_commit_callbacks, 10, &zopt_always },
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{ ztest_zap, 30, &zopt_always },
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{ ztest_zap_parallel, 100, &zopt_always },
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{ ztest_dsl_prop_get_set, 1, &zopt_sometimes },
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@ -217,22 +219,33 @@ ztest_info_t ztest_info[] = {
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#define ZTEST_SYNC_LOCKS 16
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/*
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* The following struct is used to hold a list of uncalled commit callbacks.
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*
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* The callbacks are ordered by txg number.
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*/
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typedef struct ztest_cb_list {
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pthread_mutex_t zcl_callbacks_lock;
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list_t zcl_callbacks;
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} ztest_cb_list_t;
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/*
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* Stuff we need to share writably between parent and child.
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*/
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typedef struct ztest_shared {
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mutex_t zs_vdev_lock;
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rwlock_t zs_name_lock;
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uint64_t zs_vdev_primaries;
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uint64_t zs_vdev_aux;
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uint64_t zs_enospc_count;
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hrtime_t zs_start_time;
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hrtime_t zs_stop_time;
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uint64_t zs_alloc;
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uint64_t zs_space;
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ztest_info_t zs_info[ZTEST_FUNCS];
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mutex_t zs_sync_lock[ZTEST_SYNC_LOCKS];
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uint64_t zs_seq[ZTEST_SYNC_LOCKS];
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pthread_mutex_t zs_vdev_lock;
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pthread_rwlock_t zs_name_lock;
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uint64_t zs_vdev_primaries;
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uint64_t zs_vdev_aux;
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uint64_t zs_enospc_count;
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hrtime_t zs_start_time;
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hrtime_t zs_stop_time;
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uint64_t zs_alloc;
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uint64_t zs_space;
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ztest_info_t zs_info[ZTEST_FUNCS];
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pthread_mutex_t zs_sync_lock[ZTEST_SYNC_LOCKS];
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uint64_t zs_seq[ZTEST_SYNC_LOCKS];
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ztest_cb_list_t zs_cb_list;
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} ztest_shared_t;
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static char ztest_dev_template[] = "%s/%s.%llua";
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@ -804,7 +817,7 @@ ztest_spa_create_destroy(ztest_args_t *za)
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* Attempt to create an existing pool. It shouldn't matter
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* what's in the nvroot; we should fail with EEXIST.
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*/
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(void) rw_rdlock(&ztest_shared->zs_name_lock);
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(void) pthread_rwlock_rdlock(&ztest_shared->zs_name_lock);
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nvroot = make_vdev_root("/dev/bogus", NULL, 0, 0, 0, 0, 0, 1);
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error = spa_create(za->za_pool, nvroot, NULL, NULL, NULL);
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nvlist_free(nvroot);
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@ -820,7 +833,7 @@ ztest_spa_create_destroy(ztest_args_t *za)
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fatal(0, "spa_destroy() = %d", error);
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spa_close(spa, FTAG);
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(void) rw_unlock(&ztest_shared->zs_name_lock);
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(void) pthread_rwlock_unlock(&ztest_shared->zs_name_lock);
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}
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static vdev_t *
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@ -851,7 +864,7 @@ ztest_vdev_add_remove(ztest_args_t *za)
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nvlist_t *nvroot;
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int error;
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(void) mutex_lock(&ztest_shared->zs_vdev_lock);
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(void) pthread_mutex_lock(&ztest_shared->zs_vdev_lock);
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spa_config_enter(spa, SCL_VDEV, FTAG, RW_READER);
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@ -869,7 +882,7 @@ ztest_vdev_add_remove(ztest_args_t *za)
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error = spa_vdev_add(spa, nvroot);
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nvlist_free(nvroot);
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(void) mutex_unlock(&ztest_shared->zs_vdev_lock);
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(void) pthread_mutex_unlock(&ztest_shared->zs_vdev_lock);
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if (error == ENOSPC)
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ztest_record_enospc("spa_vdev_add");
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@ -898,7 +911,7 @@ ztest_vdev_aux_add_remove(ztest_args_t *za)
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aux = ZPOOL_CONFIG_L2CACHE;
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}
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(void) mutex_lock(&ztest_shared->zs_vdev_lock);
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(void) pthread_mutex_lock(&ztest_shared->zs_vdev_lock);
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spa_config_enter(spa, SCL_VDEV, FTAG, RW_READER);
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@ -954,7 +967,7 @@ ztest_vdev_aux_add_remove(ztest_args_t *za)
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fatal(0, "spa_vdev_remove(%llu) = %d", guid, error);
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}
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(void) mutex_unlock(&ztest_shared->zs_vdev_lock);
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(void) pthread_mutex_unlock(&ztest_shared->zs_vdev_lock);
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}
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/*
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@ -980,7 +993,7 @@ ztest_vdev_attach_detach(ztest_args_t *za)
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int oldvd_is_log;
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int error, expected_error;
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(void) mutex_lock(&ztest_shared->zs_vdev_lock);
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(void) pthread_mutex_lock(&ztest_shared->zs_vdev_lock);
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spa_config_enter(spa, SCL_VDEV, FTAG, RW_READER);
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@ -1040,7 +1053,7 @@ ztest_vdev_attach_detach(ztest_args_t *za)
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if (error != 0 && error != ENODEV && error != EBUSY &&
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error != ENOTSUP)
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fatal(0, "detach (%s) returned %d", oldpath, error);
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(void) mutex_unlock(&ztest_shared->zs_vdev_lock);
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(void) pthread_mutex_unlock(&ztest_shared->zs_vdev_lock);
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return;
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}
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@ -1133,7 +1146,7 @@ ztest_vdev_attach_detach(ztest_args_t *za)
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(longlong_t)newsize, replacing, error, expected_error);
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}
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(void) mutex_unlock(&ztest_shared->zs_vdev_lock);
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(void) pthread_mutex_unlock(&ztest_shared->zs_vdev_lock);
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}
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/*
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@ -1149,7 +1162,7 @@ ztest_vdev_LUN_growth(ztest_args_t *za)
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size_t fsize;
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int fd;
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(void) mutex_lock(&ztest_shared->zs_vdev_lock);
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(void) pthread_mutex_lock(&ztest_shared->zs_vdev_lock);
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/*
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* Pick a random leaf vdev.
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@ -1180,7 +1193,7 @@ ztest_vdev_LUN_growth(ztest_args_t *za)
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(void) close(fd);
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}
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(void) mutex_unlock(&ztest_shared->zs_vdev_lock);
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(void) pthread_mutex_unlock(&ztest_shared->zs_vdev_lock);
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}
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/* ARGSUSED */
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@ -1279,7 +1292,7 @@ ztest_dmu_objset_create_destroy(ztest_args_t *za)
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uint64_t seq;
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uint64_t objects;
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(void) rw_rdlock(&ztest_shared->zs_name_lock);
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(void) pthread_rwlock_rdlock(&ztest_shared->zs_name_lock);
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(void) snprintf(name, 100, "%s/%s_temp_%llu", za->za_pool, za->za_pool,
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(u_longlong_t)za->za_instance);
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@ -1322,7 +1335,7 @@ ztest_dmu_objset_create_destroy(ztest_args_t *za)
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if (error) {
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if (error == ENOSPC) {
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ztest_record_enospc("dmu_objset_create");
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(void) rw_unlock(&ztest_shared->zs_name_lock);
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(void) pthread_rwlock_unlock(&ztest_shared->zs_name_lock);
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return;
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}
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fatal(0, "dmu_objset_create(%s) = %d", name, error);
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@ -1404,7 +1417,7 @@ ztest_dmu_objset_create_destroy(ztest_args_t *za)
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if (error)
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fatal(0, "dmu_objset_destroy(%s) = %d", name, error);
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(void) rw_unlock(&ztest_shared->zs_name_lock);
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(void) pthread_rwlock_unlock(&ztest_shared->zs_name_lock);
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}
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/*
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@ -1418,7 +1431,7 @@ ztest_dmu_snapshot_create_destroy(ztest_args_t *za)
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char snapname[100];
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char osname[MAXNAMELEN];
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(void) rw_rdlock(&ztest_shared->zs_name_lock);
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(void) pthread_rwlock_rdlock(&ztest_shared->zs_name_lock);
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dmu_objset_name(os, osname);
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(void) snprintf(snapname, 100, "%s@%llu", osname,
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(u_longlong_t)za->za_instance);
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@ -1431,7 +1444,7 @@ ztest_dmu_snapshot_create_destroy(ztest_args_t *za)
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ztest_record_enospc("dmu_take_snapshot");
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else if (error != 0 && error != EEXIST)
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fatal(0, "dmu_take_snapshot() = %d", error);
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(void) rw_unlock(&ztest_shared->zs_name_lock);
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(void) pthread_rwlock_unlock(&ztest_shared->zs_name_lock);
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}
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/*
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@ -1929,7 +1942,7 @@ ztest_dmu_write_parallel(ztest_args_t *za)
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int bs = ZTEST_DIROBJ_BLOCKSIZE;
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int do_free = 0;
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uint64_t off, txg, txg_how;
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mutex_t *lp;
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pthread_mutex_t *lp;
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char osname[MAXNAMELEN];
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char iobuf[SPA_MAXBLOCKSIZE];
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blkptr_t blk;
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|
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@ -1980,7 +1993,7 @@ ztest_dmu_write_parallel(ztest_args_t *za)
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txg = dmu_tx_get_txg(tx);
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lp = &ztest_shared->zs_sync_lock[b];
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(void) mutex_lock(lp);
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(void) pthread_mutex_lock(lp);
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wbt->bt_objset = dmu_objset_id(os);
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wbt->bt_object = ZTEST_DIROBJ;
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|
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@ -2033,7 +2046,7 @@ ztest_dmu_write_parallel(ztest_args_t *za)
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dmu_write(os, ZTEST_DIROBJ, off, btsize, wbt, tx);
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}
|
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|
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(void) mutex_unlock(lp);
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(void) pthread_mutex_unlock(lp);
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|
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if (ztest_random(1000) == 0)
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(void) poll(NULL, 0, 1); /* open dn_notxholds window */
|
||||
|
|
@ -2052,13 +2065,13 @@ ztest_dmu_write_parallel(ztest_args_t *za)
|
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/*
|
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* dmu_sync() the block we just wrote.
|
||||
*/
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(void) mutex_lock(lp);
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(void) pthread_mutex_lock(lp);
|
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|
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blkoff = P2ALIGN_TYPED(off, bs, uint64_t);
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error = dmu_buf_hold(os, ZTEST_DIROBJ, blkoff, FTAG, &db);
|
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za->za_dbuf = db;
|
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if (error) {
|
||||
(void) mutex_unlock(lp);
|
||||
(void) pthread_mutex_unlock(lp);
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return;
|
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}
|
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blkoff = off - blkoff;
|
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|
|
@ -2066,7 +2079,7 @@ ztest_dmu_write_parallel(ztest_args_t *za)
|
|||
dmu_buf_rele(db, FTAG);
|
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za->za_dbuf = NULL;
|
||||
|
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(void) mutex_unlock(lp);
|
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(void) pthread_mutex_unlock(lp);
|
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|
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if (error)
|
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return;
|
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|
|
@ -2435,6 +2448,205 @@ ztest_zap_parallel(ztest_args_t *za)
|
|||
dmu_tx_commit(tx);
|
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}
|
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|
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/*
|
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* Commit callback data.
|
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*/
|
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typedef struct ztest_cb_data {
|
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list_node_t zcd_node;
|
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ztest_cb_list_t *zcd_zcl;
|
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uint64_t zcd_txg;
|
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int zcd_expected_err;
|
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boolean_t zcd_added;
|
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boolean_t zcd_called;
|
||||
spa_t *zcd_spa;
|
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} ztest_cb_data_t;
|
||||
|
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static void
|
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ztest_commit_callback(void *arg, int error)
|
||||
{
|
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ztest_cb_data_t *data = arg;
|
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ztest_cb_list_t *zcl;
|
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uint64_t synced_txg;
|
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|
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VERIFY(data != NULL);
|
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VERIFY3S(data->zcd_expected_err, ==, error);
|
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VERIFY(!data->zcd_called);
|
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|
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synced_txg = spa_last_synced_txg(data->zcd_spa);
|
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if (data->zcd_txg > synced_txg)
|
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fatal(0, "commit callback of txg %llu prematurely called, last"
|
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" synced txg = %llu\n", data->zcd_txg, synced_txg);
|
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|
||||
zcl = data->zcd_zcl;
|
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data->zcd_called = B_TRUE;
|
||||
|
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if (error == ECANCELED) {
|
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ASSERT3U(data->zcd_txg, ==, 0);
|
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ASSERT(!data->zcd_added);
|
||||
|
||||
/*
|
||||
* The private callback data should be destroyed here, but
|
||||
* since we are going to check the zcd_called field after
|
||||
* dmu_tx_abort(), we will destroy it there.
|
||||
*/
|
||||
return;
|
||||
}
|
||||
|
||||
if (!data->zcd_added)
|
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goto out;
|
||||
|
||||
ASSERT3U(data->zcd_txg, !=, 0);
|
||||
|
||||
/* Remove our callback from the list */
|
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(void) mutex_lock(&zcl->zcl_callbacks_lock);
|
||||
list_remove(&zcl->zcl_callbacks, data);
|
||||
(void) mutex_unlock(&zcl->zcl_callbacks_lock);
|
||||
|
||||
out:
|
||||
umem_free(data, sizeof (ztest_cb_data_t));
|
||||
}
|
||||
|
||||
static ztest_cb_data_t *
|
||||
ztest_create_cb_data(objset_t *os, ztest_cb_list_t *zcl, uint64_t txg)
|
||||
{
|
||||
ztest_cb_data_t *cb_data;
|
||||
|
||||
cb_data = umem_zalloc(sizeof (ztest_cb_data_t), UMEM_NOFAIL);
|
||||
|
||||
cb_data->zcd_zcl = zcl;
|
||||
cb_data->zcd_txg = txg;
|
||||
cb_data->zcd_spa = os->os->os_spa;
|
||||
|
||||
return (cb_data);
|
||||
}
|
||||
|
||||
/*
|
||||
* If a number of txgs equal to this threshold have been created after a commit
|
||||
* callback has been registered but not called, then we assume there is an
|
||||
* implementation bug.
|
||||
*/
|
||||
#define ZTEST_COMMIT_CALLBACK_THRESH 3
|
||||
|
||||
/*
|
||||
* Commit callback test.
|
||||
*/
|
||||
void
|
||||
ztest_dmu_commit_callbacks(ztest_args_t *za)
|
||||
{
|
||||
objset_t *os = za->za_os;
|
||||
dmu_tx_t *tx;
|
||||
ztest_cb_list_t *zcl = &ztest_shared->zs_cb_list;
|
||||
ztest_cb_data_t *cb_data[3], *tmp_cb;
|
||||
uint64_t old_txg, txg;
|
||||
int i, error;
|
||||
|
||||
tx = dmu_tx_create(os);
|
||||
|
||||
cb_data[0] = ztest_create_cb_data(os, zcl, 0);
|
||||
dmu_tx_callback_register(tx, ztest_commit_callback, cb_data[0]);
|
||||
|
||||
dmu_tx_hold_write(tx, ZTEST_DIROBJ, za->za_diroff, sizeof (uint64_t));
|
||||
|
||||
/* Every once in a while, abort the transaction on purpose */
|
||||
if (ztest_random(100) == 0)
|
||||
error = -1;
|
||||
|
||||
if (!error)
|
||||
error = dmu_tx_assign(tx, TXG_NOWAIT);
|
||||
|
||||
txg = error ? 0 : dmu_tx_get_txg(tx);
|
||||
|
||||
cb_data[1] = ztest_create_cb_data(os, zcl, txg);
|
||||
dmu_tx_callback_register(tx, ztest_commit_callback, cb_data[1]);
|
||||
|
||||
if (error) {
|
||||
/*
|
||||
* It's not a strict requirement to call the registered
|
||||
* callbacks from inside dmu_tx_abort(), but that's what
|
||||
* happens in the current implementation so we will check for
|
||||
* that.
|
||||
*/
|
||||
for (i = 0; i < 2; i++) {
|
||||
cb_data[i]->zcd_expected_err = ECANCELED;
|
||||
VERIFY(!cb_data[i]->zcd_called);
|
||||
}
|
||||
|
||||
dmu_tx_abort(tx);
|
||||
|
||||
for (i = 0; i < 2; i++) {
|
||||
VERIFY(cb_data[i]->zcd_called);
|
||||
umem_free(cb_data[i], sizeof (ztest_cb_data_t));
|
||||
}
|
||||
|
||||
return;
|
||||
}
|
||||
|
||||
cb_data[0]->zcd_txg = txg;
|
||||
cb_data[2] = ztest_create_cb_data(os, zcl, txg);
|
||||
dmu_tx_callback_register(tx, ztest_commit_callback, cb_data[2]);
|
||||
|
||||
/*
|
||||
* Read existing data to make sure there isn't a future leak.
|
||||
*/
|
||||
VERIFY(0 == dmu_read(os, ZTEST_DIROBJ, za->za_diroff, sizeof (uint64_t),
|
||||
&old_txg));
|
||||
|
||||
if (old_txg > txg)
|
||||
fatal(0, "future leak: got %llx, open txg is %llx", old_txg,
|
||||
txg);
|
||||
|
||||
dmu_write(os, ZTEST_DIROBJ, za->za_diroff, sizeof (uint64_t), &txg, tx);
|
||||
|
||||
(void) mutex_lock(&zcl->zcl_callbacks_lock);
|
||||
|
||||
/*
|
||||
* Since commit callbacks don't have any ordering requirement and since
|
||||
* it is theoretically possible for a commit callback to be called
|
||||
* after an arbitrary amount of time has elapsed since its txg has been
|
||||
* synced, it is difficult to reliably determine whether a commit
|
||||
* callback hasn't been called due to high load or due to a flawed
|
||||
* implementation.
|
||||
*
|
||||
* In practice, we will assume that if after a certain number of txgs a
|
||||
* commit callback hasn't been called, then most likely there's an
|
||||
* implementation bug..
|
||||
*/
|
||||
tmp_cb = list_head(&zcl->zcl_callbacks);
|
||||
if (tmp_cb != NULL)
|
||||
VERIFY3U(tmp_cb->zcd_txg, >,
|
||||
txg - ZTEST_COMMIT_CALLBACK_THRESH);
|
||||
|
||||
/*
|
||||
* Let's find the place to insert our callbacks.
|
||||
*
|
||||
* Even though the list is ordered by txg, it is possible for the
|
||||
* insertion point to not be the end because our txg may already be
|
||||
* quiescing at this point and other callbacks in the open txg may
|
||||
* have sneaked in.
|
||||
*/
|
||||
tmp_cb = list_tail(&zcl->zcl_callbacks);
|
||||
while (tmp_cb != NULL && tmp_cb->zcd_txg > txg)
|
||||
tmp_cb = list_prev(&zcl->zcl_callbacks, tmp_cb);
|
||||
|
||||
/* Add the 3 callbacks to the list */
|
||||
for (i = 0; i < 3; i++) {
|
||||
if (tmp_cb == NULL)
|
||||
list_insert_head(&zcl->zcl_callbacks, cb_data[i]);
|
||||
else
|
||||
list_insert_after(&zcl->zcl_callbacks, tmp_cb,
|
||||
cb_data[i]);
|
||||
|
||||
cb_data[i]->zcd_added = B_TRUE;
|
||||
VERIFY(!cb_data[i]->zcd_called);
|
||||
|
||||
tmp_cb = cb_data[i];
|
||||
}
|
||||
|
||||
(void) mutex_unlock(&zcl->zcl_callbacks_lock);
|
||||
|
||||
dmu_tx_commit(tx);
|
||||
}
|
||||
|
||||
void
|
||||
ztest_dsl_prop_get_set(ztest_args_t *za)
|
||||
{
|
||||
|
|
@ -2446,7 +2658,7 @@ ztest_dsl_prop_get_set(ztest_args_t *za)
|
|||
char osname[MAXNAMELEN];
|
||||
int error;
|
||||
|
||||
(void) rw_rdlock(&ztest_shared->zs_name_lock);
|
||||
(void) pthread_rwlock_rdlock(&ztest_shared->zs_name_lock);
|
||||
|
||||
dmu_objset_name(os, osname);
|
||||
|
||||
|
|
@ -2485,7 +2697,7 @@ ztest_dsl_prop_get_set(ztest_args_t *za)
|
|||
}
|
||||
}
|
||||
|
||||
(void) rw_unlock(&ztest_shared->zs_name_lock);
|
||||
(void) pthread_rwlock_unlock(&ztest_shared->zs_name_lock);
|
||||
}
|
||||
|
||||
/*
|
||||
|
|
@ -2649,7 +2861,7 @@ ztest_spa_rename(ztest_args_t *za)
|
|||
int error;
|
||||
spa_t *spa;
|
||||
|
||||
(void) rw_wrlock(&ztest_shared->zs_name_lock);
|
||||
(void) pthread_rwlock_wrlock(&ztest_shared->zs_name_lock);
|
||||
|
||||
oldname = za->za_pool;
|
||||
newname = umem_alloc(strlen(oldname) + 5, UMEM_NOFAIL);
|
||||
|
|
@ -2701,7 +2913,7 @@ ztest_spa_rename(ztest_args_t *za)
|
|||
|
||||
umem_free(newname, strlen(newname) + 1);
|
||||
|
||||
(void) rw_unlock(&ztest_shared->zs_name_lock);
|
||||
(void) pthread_rwlock_unlock(&ztest_shared->zs_name_lock);
|
||||
}
|
||||
|
||||
|
||||
|
|
@ -2939,15 +3151,18 @@ ztest_spa_import_export(char *oldname, char *newname)
|
|||
nvlist_free(config);
|
||||
}
|
||||
|
||||
static void
|
||||
ztest_resume(spa_t *spa)
|
||||
static void *
|
||||
ztest_resume(void *arg)
|
||||
{
|
||||
spa_t *spa = arg;
|
||||
|
||||
if (spa_suspended(spa)) {
|
||||
spa_vdev_state_enter(spa);
|
||||
vdev_clear(spa, NULL);
|
||||
(void) spa_vdev_state_exit(spa, NULL, 0);
|
||||
zio_resume(spa);
|
||||
}
|
||||
return (NULL);
|
||||
}
|
||||
|
||||
static void *
|
||||
|
|
@ -3037,15 +3252,19 @@ ztest_run(char *pool)
|
|||
ztest_args_t *za;
|
||||
spa_t *spa;
|
||||
char name[100];
|
||||
thread_t resume_tid;
|
||||
pthread_t resume_tid;
|
||||
|
||||
ztest_exiting = B_FALSE;
|
||||
|
||||
(void) _mutex_init(&zs->zs_vdev_lock, USYNC_THREAD, NULL);
|
||||
(void) rwlock_init(&zs->zs_name_lock, USYNC_THREAD, NULL);
|
||||
(void) pthread_mutex_init(&zs->zs_vdev_lock, NULL);
|
||||
(void) pthread_rwlock_init(&zs->zs_name_lock, NULL);
|
||||
(void) pthread_mutex_init(&zs->zs_cb_list.zcl_callbacks_lock, NULL);
|
||||
|
||||
list_create(&zs->zs_cb_list.zcl_callbacks, sizeof (ztest_cb_data_t),
|
||||
offsetof(ztest_cb_data_t, zcd_node));
|
||||
|
||||
for (t = 0; t < ZTEST_SYNC_LOCKS; t++)
|
||||
(void) _mutex_init(&zs->zs_sync_lock[t], USYNC_THREAD, NULL);
|
||||
(void) pthread_mutex_init(&zs->zs_sync_lock[t], NULL);
|
||||
|
||||
/*
|
||||
* Destroy one disk before we even start.
|
||||
|
|
@ -3112,8 +3331,7 @@ ztest_run(char *pool)
|
|||
/*
|
||||
* Create a thread to periodically resume suspended I/O.
|
||||
*/
|
||||
VERIFY(thr_create(0, 0, ztest_resume_thread, spa, THR_BOUND,
|
||||
&resume_tid) == 0);
|
||||
VERIFY(pthread_create(&resume_tid, NULL, ztest_resume_thread, spa)==0);
|
||||
|
||||
/*
|
||||
* Verify that we can safely inquire about about any object,
|
||||
|
|
@ -3162,7 +3380,7 @@ ztest_run(char *pool)
|
|||
|
||||
if (t < zopt_datasets) {
|
||||
int test_future = FALSE;
|
||||
(void) rw_rdlock(&ztest_shared->zs_name_lock);
|
||||
(void) pthread_rwlock_rdlock(&ztest_shared->zs_name_lock);
|
||||
(void) snprintf(name, 100, "%s/%s_%d", pool, pool, d);
|
||||
error = dmu_objset_create(name, DMU_OST_OTHER, NULL, 0,
|
||||
ztest_create_cb, NULL);
|
||||
|
|
@ -3170,7 +3388,7 @@ ztest_run(char *pool)
|
|||
test_future = TRUE;
|
||||
} else if (error == ENOSPC) {
|
||||
zs->zs_enospc_count++;
|
||||
(void) rw_unlock(&ztest_shared->zs_name_lock);
|
||||
(void) pthread_rwlock_unlock(&ztest_shared->zs_name_lock);
|
||||
break;
|
||||
} else if (error != 0) {
|
||||
fatal(0, "dmu_objset_create(%s) = %d",
|
||||
|
|
@ -3181,7 +3399,7 @@ ztest_run(char *pool)
|
|||
if (error)
|
||||
fatal(0, "dmu_objset_open('%s') = %d",
|
||||
name, error);
|
||||
(void) rw_unlock(&ztest_shared->zs_name_lock);
|
||||
(void) pthread_rwlock_unlock(&ztest_shared->zs_name_lock);
|
||||
if (test_future)
|
||||
ztest_dmu_check_future_leak(&za[t]);
|
||||
zil_replay(za[d].za_os, za[d].za_os,
|
||||
|
|
@ -3189,12 +3407,12 @@ ztest_run(char *pool)
|
|||
za[d].za_zilog = zil_open(za[d].za_os, NULL);
|
||||
}
|
||||
|
||||
VERIFY(thr_create(0, 0, ztest_thread, &za[t], THR_BOUND,
|
||||
&za[t].za_thread) == 0);
|
||||
VERIFY(pthread_create(&za[t].za_thread, NULL, ztest_thread,
|
||||
&za[t]) == 0);
|
||||
}
|
||||
|
||||
while (--t >= 0) {
|
||||
VERIFY(thr_join(za[t].za_thread, NULL, NULL) == 0);
|
||||
VERIFY(pthread_join(za[t].za_thread, NULL) == 0);
|
||||
if (t < zopt_datasets) {
|
||||
zil_close(za[t].za_zilog);
|
||||
dmu_objset_close(za[t].za_os);
|
||||
|
|
@ -3213,14 +3431,14 @@ ztest_run(char *pool)
|
|||
* If we had out-of-space errors, destroy a random objset.
|
||||
*/
|
||||
if (zs->zs_enospc_count != 0) {
|
||||
(void) rw_rdlock(&ztest_shared->zs_name_lock);
|
||||
(void) pthread_rwlock_rdlock(&ztest_shared->zs_name_lock);
|
||||
d = (int)ztest_random(zopt_datasets);
|
||||
(void) snprintf(name, 100, "%s/%s_%d", pool, pool, d);
|
||||
if (zopt_verbose >= 3)
|
||||
(void) printf("Destroying %s to free up space\n", name);
|
||||
(void) dmu_objset_find(name, ztest_destroy_cb, &za[d],
|
||||
DS_FIND_SNAPSHOTS | DS_FIND_CHILDREN);
|
||||
(void) rw_unlock(&ztest_shared->zs_name_lock);
|
||||
(void) pthread_rwlock_unlock(&ztest_shared->zs_name_lock);
|
||||
}
|
||||
|
||||
txg_wait_synced(spa_get_dsl(spa), 0);
|
||||
|
|
@ -3229,7 +3447,7 @@ ztest_run(char *pool)
|
|||
|
||||
/* Kill the resume thread */
|
||||
ztest_exiting = B_TRUE;
|
||||
VERIFY(thr_join(resume_tid, NULL, NULL) == 0);
|
||||
VERIFY(pthread_join(resume_tid, NULL) == 0);
|
||||
ztest_resume(spa);
|
||||
|
||||
/*
|
||||
|
|
@ -3242,6 +3460,12 @@ ztest_run(char *pool)
|
|||
spa_close(spa, FTAG);
|
||||
|
||||
kernel_fini();
|
||||
|
||||
list_destroy(&zs->zs_cb_list.zcl_callbacks);
|
||||
|
||||
(void) pthread_mutex_destroy(&zs->zs_cb_list.zcl_callbacks_lock);
|
||||
(void) pthread_rwlock_destroy(&zs->zs_name_lock);
|
||||
(void) pthread_mutex_destroy(&zs->zs_vdev_lock);
|
||||
}
|
||||
|
||||
void
|
||||
|
|
|
|||
|
|
@ -37,7 +37,6 @@
|
|||
#include <stdlib.h>
|
||||
#include <string.h>
|
||||
#include <sys/debug.h>
|
||||
#include <thread.h>
|
||||
#include <unistd.h>
|
||||
|
||||
#if !defined(TEXT_DOMAIN)
|
||||
|
|
@ -70,11 +69,12 @@ static va_list uu_panic_args;
|
|||
static pthread_t uu_panic_thread;
|
||||
|
||||
static uint32_t _uu_main_error;
|
||||
static __thread int _uu_main_thread = 0;
|
||||
|
||||
void
|
||||
uu_set_error(uint_t code)
|
||||
{
|
||||
if (thr_main() != 0) {
|
||||
if (_uu_main_thread) {
|
||||
_uu_main_error = code;
|
||||
return;
|
||||
}
|
||||
|
|
@ -103,7 +103,7 @@ uu_set_error(uint_t code)
|
|||
uint32_t
|
||||
uu_error(void)
|
||||
{
|
||||
if (thr_main() != 0)
|
||||
if (_uu_main_thread)
|
||||
return (_uu_main_error);
|
||||
|
||||
if (uu_error_key_setup < 0) /* can't happen? */
|
||||
|
|
@ -261,5 +261,6 @@ uu_init(void) __attribute__((constructor));
|
|||
static void
|
||||
uu_init(void)
|
||||
{
|
||||
_uu_main_thread = 1;
|
||||
(void) pthread_atfork(uu_lockup, uu_release, uu_release_child);
|
||||
}
|
||||
|
|
|
|||
|
|
@ -50,8 +50,7 @@ extern "C" {
|
|||
#include <errno.h>
|
||||
#include <string.h>
|
||||
#include <strings.h>
|
||||
#include <synch.h>
|
||||
#include <thread.h>
|
||||
#include <pthread.h>
|
||||
#include <assert.h>
|
||||
#include <alloca.h>
|
||||
#include <umem.h>
|
||||
|
|
@ -110,6 +109,7 @@ extern void vpanic(const char *, __va_list);
|
|||
#define fm_panic panic
|
||||
|
||||
/* This definition is copied from assert.h. */
|
||||
#ifndef verify
|
||||
#if defined(__STDC__)
|
||||
#if __STDC_VERSION__ - 0 >= 199901L
|
||||
#define verify(EX) (void)((EX) || \
|
||||
|
|
@ -120,7 +120,10 @@ extern void vpanic(const char *, __va_list);
|
|||
#else
|
||||
#define verify(EX) (void)((EX) || (_assert("EX", __FILE__, __LINE__), 0))
|
||||
#endif /* __STDC__ */
|
||||
#endif
|
||||
|
||||
#undef VERIFY
|
||||
#undef ASSERT
|
||||
|
||||
#define VERIFY verify
|
||||
#define ASSERT assert
|
||||
|
|
@ -193,15 +196,18 @@ _NOTE(CONSTCOND) } while (0)
|
|||
/*
|
||||
* Threads
|
||||
*/
|
||||
#define curthread ((void *)(uintptr_t)thr_self())
|
||||
#define curthread ((void *)(uintptr_t)pthread_self())
|
||||
#define tsd_get(key) pthread_getspecific(key)
|
||||
#define tsd_set(key, val) pthread_setspecific(key, val)
|
||||
|
||||
typedef struct kthread kthread_t;
|
||||
typedef void (*thread_func_t)(void *);
|
||||
|
||||
#define thread_create(stk, stksize, func, arg, len, pp, state, pri) \
|
||||
zk_thread_create(func, arg)
|
||||
#define thread_exit() thr_exit(NULL)
|
||||
zk_thread_create((thread_func_t)func, arg)
|
||||
#define thread_exit() pthread_exit(NULL)
|
||||
|
||||
extern kthread_t *zk_thread_create(void (*func)(), void *arg);
|
||||
extern kthread_t *zk_thread_create(thread_func_t func, void *arg);
|
||||
|
||||
#define issig(why) (FALSE)
|
||||
#define ISSIG(thr, why) (FALSE)
|
||||
|
|
@ -209,28 +215,18 @@ extern kthread_t *zk_thread_create(void (*func)(), void *arg);
|
|||
/*
|
||||
* Mutexes
|
||||
*/
|
||||
#define MTX_MAGIC 0x9522f51362a6e326ull
|
||||
typedef struct kmutex {
|
||||
void *m_owner;
|
||||
boolean_t initialized;
|
||||
mutex_t m_lock;
|
||||
uint64_t m_magic;
|
||||
pthread_mutex_t m_lock;
|
||||
} kmutex_t;
|
||||
|
||||
#define MUTEX_DEFAULT USYNC_THREAD
|
||||
#undef MUTEX_HELD
|
||||
#define MUTEX_HELD(m) _mutex_held(&(m)->m_lock)
|
||||
#define MUTEX_DEFAULT 0
|
||||
#define MUTEX_HELD(m) ((m)->m_owner == curthread)
|
||||
|
||||
/*
|
||||
* Argh -- we have to get cheesy here because the kernel and userland
|
||||
* have different signatures for the same routine.
|
||||
*/
|
||||
extern int _mutex_init(mutex_t *mp, int type, void *arg);
|
||||
extern int _mutex_destroy(mutex_t *mp);
|
||||
|
||||
#define mutex_init(mp, b, c, d) zmutex_init((kmutex_t *)(mp))
|
||||
#define mutex_destroy(mp) zmutex_destroy((kmutex_t *)(mp))
|
||||
|
||||
extern void zmutex_init(kmutex_t *mp);
|
||||
extern void zmutex_destroy(kmutex_t *mp);
|
||||
extern void mutex_init(kmutex_t *mp, char *name, int type, void *cookie);
|
||||
extern void mutex_destroy(kmutex_t *mp);
|
||||
extern void mutex_enter(kmutex_t *mp);
|
||||
extern void mutex_exit(kmutex_t *mp);
|
||||
extern int mutex_tryenter(kmutex_t *mp);
|
||||
|
|
@ -239,23 +235,24 @@ extern void *mutex_owner(kmutex_t *mp);
|
|||
/*
|
||||
* RW locks
|
||||
*/
|
||||
#define RW_MAGIC 0x4d31fb123648e78aull
|
||||
typedef struct krwlock {
|
||||
void *rw_owner;
|
||||
boolean_t initialized;
|
||||
rwlock_t rw_lock;
|
||||
void *rw_owner;
|
||||
void *rw_wr_owner;
|
||||
uint64_t rw_magic;
|
||||
pthread_rwlock_t rw_lock;
|
||||
uint_t rw_readers;
|
||||
} krwlock_t;
|
||||
|
||||
typedef int krw_t;
|
||||
|
||||
#define RW_READER 0
|
||||
#define RW_WRITER 1
|
||||
#define RW_DEFAULT USYNC_THREAD
|
||||
#define RW_DEFAULT 0
|
||||
|
||||
#undef RW_READ_HELD
|
||||
#define RW_READ_HELD(x) _rw_read_held(&(x)->rw_lock)
|
||||
|
||||
#undef RW_WRITE_HELD
|
||||
#define RW_WRITE_HELD(x) _rw_write_held(&(x)->rw_lock)
|
||||
#define RW_READ_HELD(x) ((x)->rw_readers > 0)
|
||||
#define RW_WRITE_HELD(x) ((x)->rw_wr_owner == curthread)
|
||||
#define RW_LOCK_HELD(x) (RW_READ_HELD(x) || RW_WRITE_HELD(x))
|
||||
|
||||
extern void rw_init(krwlock_t *rwlp, char *name, int type, void *arg);
|
||||
extern void rw_destroy(krwlock_t *rwlp);
|
||||
|
|
@ -273,9 +270,13 @@ extern gid_t *crgetgroups(cred_t *cr);
|
|||
/*
|
||||
* Condition variables
|
||||
*/
|
||||
typedef cond_t kcondvar_t;
|
||||
#define CV_MAGIC 0xd31ea9a83b1b30c4ull
|
||||
typedef struct kcondvar {
|
||||
uint64_t cv_magic;
|
||||
pthread_cond_t cv;
|
||||
} kcondvar_t;
|
||||
|
||||
#define CV_DEFAULT USYNC_THREAD
|
||||
#define CV_DEFAULT 0
|
||||
|
||||
extern void cv_init(kcondvar_t *cv, char *name, int type, void *arg);
|
||||
extern void cv_destroy(kcondvar_t *cv);
|
||||
|
|
@ -449,7 +450,8 @@ extern void delay(clock_t ticks);
|
|||
#define minclsyspri 60
|
||||
#define maxclsyspri 99
|
||||
|
||||
#define CPU_SEQID (thr_self() & (max_ncpus - 1))
|
||||
/* XXX: not portable */
|
||||
#define CPU_SEQID (pthread_self() & (max_ncpus - 1))
|
||||
|
||||
#define kcred NULL
|
||||
#define CRED() NULL
|
||||
|
|
|
|||
|
|
@ -35,6 +35,7 @@
|
|||
#include <sys/processor.h>
|
||||
#include <sys/zfs_context.h>
|
||||
#include <sys/utsname.h>
|
||||
#include <sys/time.h>
|
||||
#include <sys/systeminfo.h>
|
||||
|
||||
/*
|
||||
|
|
@ -56,13 +57,17 @@ struct utsname utsname = {
|
|||
*/
|
||||
/*ARGSUSED*/
|
||||
kthread_t *
|
||||
zk_thread_create(void (*func)(), void *arg)
|
||||
zk_thread_create(thread_func_t func, void *arg)
|
||||
{
|
||||
thread_t tid;
|
||||
pthread_t tid;
|
||||
|
||||
VERIFY(thr_create(0, 0, (void *(*)(void *))func, arg, THR_DETACHED,
|
||||
&tid) == 0);
|
||||
pthread_attr_t attr;
|
||||
VERIFY(pthread_attr_init(&attr) == 0);
|
||||
VERIFY(pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED) == 0);
|
||||
|
||||
VERIFY(pthread_create(&tid, &attr, (void *(*)(void *))func, arg) == 0);
|
||||
|
||||
/* XXX: not portable */
|
||||
return ((void *)(uintptr_t)tid);
|
||||
}
|
||||
|
||||
|
|
@ -95,30 +100,37 @@ kstat_delete(kstat_t *ksp)
|
|||
* =========================================================================
|
||||
*/
|
||||
void
|
||||
zmutex_init(kmutex_t *mp)
|
||||
mutex_init(kmutex_t *mp, char *name, int type, void *cookie)
|
||||
{
|
||||
ASSERT(type == MUTEX_DEFAULT);
|
||||
ASSERT(cookie == NULL);
|
||||
|
||||
#ifdef IM_FEELING_LUCKY
|
||||
ASSERT(mp->m_magic != MTX_MAGIC);
|
||||
#endif
|
||||
|
||||
mp->m_owner = NULL;
|
||||
mp->initialized = B_TRUE;
|
||||
(void) _mutex_init(&mp->m_lock, USYNC_THREAD, NULL);
|
||||
mp->m_magic = MTX_MAGIC;
|
||||
VERIFY3S(pthread_mutex_init(&mp->m_lock, NULL), ==, 0);
|
||||
}
|
||||
|
||||
void
|
||||
zmutex_destroy(kmutex_t *mp)
|
||||
mutex_destroy(kmutex_t *mp)
|
||||
{
|
||||
ASSERT(mp->initialized == B_TRUE);
|
||||
ASSERT(mp->m_magic == MTX_MAGIC);
|
||||
ASSERT(mp->m_owner == NULL);
|
||||
(void) _mutex_destroy(&(mp)->m_lock);
|
||||
VERIFY3S(pthread_mutex_destroy(&(mp)->m_lock), ==, 0);
|
||||
mp->m_owner = (void *)-1UL;
|
||||
mp->initialized = B_FALSE;
|
||||
mp->m_magic = 0;
|
||||
}
|
||||
|
||||
void
|
||||
mutex_enter(kmutex_t *mp)
|
||||
{
|
||||
ASSERT(mp->initialized == B_TRUE);
|
||||
ASSERT(mp->m_magic == MTX_MAGIC);
|
||||
ASSERT(mp->m_owner != (void *)-1UL);
|
||||
ASSERT(mp->m_owner != curthread);
|
||||
VERIFY(mutex_lock(&mp->m_lock) == 0);
|
||||
VERIFY3S(pthread_mutex_lock(&mp->m_lock), ==, 0);
|
||||
ASSERT(mp->m_owner == NULL);
|
||||
mp->m_owner = curthread;
|
||||
}
|
||||
|
|
@ -126,9 +138,9 @@ mutex_enter(kmutex_t *mp)
|
|||
int
|
||||
mutex_tryenter(kmutex_t *mp)
|
||||
{
|
||||
ASSERT(mp->initialized == B_TRUE);
|
||||
ASSERT(mp->m_magic == MTX_MAGIC);
|
||||
ASSERT(mp->m_owner != (void *)-1UL);
|
||||
if (0 == mutex_trylock(&mp->m_lock)) {
|
||||
if (0 == pthread_mutex_trylock(&mp->m_lock)) {
|
||||
ASSERT(mp->m_owner == NULL);
|
||||
mp->m_owner = curthread;
|
||||
return (1);
|
||||
|
|
@ -140,16 +152,16 @@ mutex_tryenter(kmutex_t *mp)
|
|||
void
|
||||
mutex_exit(kmutex_t *mp)
|
||||
{
|
||||
ASSERT(mp->initialized == B_TRUE);
|
||||
ASSERT(mp->m_magic == MTX_MAGIC);
|
||||
ASSERT(mutex_owner(mp) == curthread);
|
||||
mp->m_owner = NULL;
|
||||
VERIFY(mutex_unlock(&mp->m_lock) == 0);
|
||||
VERIFY3S(pthread_mutex_unlock(&mp->m_lock), ==, 0);
|
||||
}
|
||||
|
||||
void *
|
||||
mutex_owner(kmutex_t *mp)
|
||||
{
|
||||
ASSERT(mp->initialized == B_TRUE);
|
||||
ASSERT(mp->m_magic == MTX_MAGIC);
|
||||
return (mp->m_owner);
|
||||
}
|
||||
|
||||
|
|
@ -162,31 +174,48 @@ mutex_owner(kmutex_t *mp)
|
|||
void
|
||||
rw_init(krwlock_t *rwlp, char *name, int type, void *arg)
|
||||
{
|
||||
rwlock_init(&rwlp->rw_lock, USYNC_THREAD, NULL);
|
||||
ASSERT(type == RW_DEFAULT);
|
||||
ASSERT(arg == NULL);
|
||||
|
||||
#ifdef IM_FEELING_LUCKY
|
||||
ASSERT(rwlp->rw_magic != RW_MAGIC);
|
||||
#endif
|
||||
|
||||
VERIFY3S(pthread_rwlock_init(&rwlp->rw_lock, NULL), ==, 0);
|
||||
rwlp->rw_owner = NULL;
|
||||
rwlp->initialized = B_TRUE;
|
||||
rwlp->rw_wr_owner = NULL;
|
||||
rwlp->rw_readers = 0;
|
||||
rwlp->rw_magic = RW_MAGIC;
|
||||
}
|
||||
|
||||
void
|
||||
rw_destroy(krwlock_t *rwlp)
|
||||
{
|
||||
rwlock_destroy(&rwlp->rw_lock);
|
||||
rwlp->rw_owner = (void *)-1UL;
|
||||
rwlp->initialized = B_FALSE;
|
||||
ASSERT(rwlp->rw_magic == RW_MAGIC);
|
||||
|
||||
VERIFY3S(pthread_rwlock_destroy(&rwlp->rw_lock), ==, 0);
|
||||
rwlp->rw_magic = 0;
|
||||
}
|
||||
|
||||
void
|
||||
rw_enter(krwlock_t *rwlp, krw_t rw)
|
||||
{
|
||||
ASSERT(!RW_LOCK_HELD(rwlp));
|
||||
ASSERT(rwlp->initialized == B_TRUE);
|
||||
ASSERT(rwlp->rw_owner != (void *)-1UL);
|
||||
ASSERT(rwlp->rw_magic == RW_MAGIC);
|
||||
ASSERT(rwlp->rw_owner != curthread);
|
||||
ASSERT(rwlp->rw_wr_owner != curthread);
|
||||
|
||||
if (rw == RW_READER)
|
||||
VERIFY(rw_rdlock(&rwlp->rw_lock) == 0);
|
||||
else
|
||||
VERIFY(rw_wrlock(&rwlp->rw_lock) == 0);
|
||||
if (rw == RW_READER) {
|
||||
VERIFY3S(pthread_rwlock_rdlock(&rwlp->rw_lock), ==, 0);
|
||||
ASSERT(rwlp->rw_wr_owner == NULL);
|
||||
|
||||
atomic_inc_uint(&rwlp->rw_readers);
|
||||
} else {
|
||||
VERIFY3S(pthread_rwlock_wrlock(&rwlp->rw_lock), ==, 0);
|
||||
ASSERT(rwlp->rw_wr_owner == NULL);
|
||||
ASSERT3U(rwlp->rw_readers, ==, 0);
|
||||
|
||||
rwlp->rw_wr_owner = curthread;
|
||||
}
|
||||
|
||||
rwlp->rw_owner = curthread;
|
||||
}
|
||||
|
|
@ -194,11 +223,16 @@ rw_enter(krwlock_t *rwlp, krw_t rw)
|
|||
void
|
||||
rw_exit(krwlock_t *rwlp)
|
||||
{
|
||||
ASSERT(rwlp->initialized == B_TRUE);
|
||||
ASSERT(rwlp->rw_owner != (void *)-1UL);
|
||||
ASSERT(rwlp->rw_magic == RW_MAGIC);
|
||||
ASSERT(RW_LOCK_HELD(rwlp));
|
||||
|
||||
if (RW_READ_HELD(rwlp))
|
||||
atomic_dec_uint(&rwlp->rw_readers);
|
||||
else
|
||||
rwlp->rw_wr_owner = NULL;
|
||||
|
||||
rwlp->rw_owner = NULL;
|
||||
VERIFY(rw_unlock(&rwlp->rw_lock) == 0);
|
||||
VERIFY3S(pthread_rwlock_unlock(&rwlp->rw_lock), ==, 0);
|
||||
}
|
||||
|
||||
int
|
||||
|
|
@ -206,19 +240,29 @@ rw_tryenter(krwlock_t *rwlp, krw_t rw)
|
|||
{
|
||||
int rv;
|
||||
|
||||
ASSERT(rwlp->initialized == B_TRUE);
|
||||
ASSERT(rwlp->rw_owner != (void *)-1UL);
|
||||
ASSERT(rwlp->rw_magic == RW_MAGIC);
|
||||
|
||||
if (rw == RW_READER)
|
||||
rv = rw_tryrdlock(&rwlp->rw_lock);
|
||||
rv = pthread_rwlock_tryrdlock(&rwlp->rw_lock);
|
||||
else
|
||||
rv = rw_trywrlock(&rwlp->rw_lock);
|
||||
rv = pthread_rwlock_trywrlock(&rwlp->rw_lock);
|
||||
|
||||
if (rv == 0) {
|
||||
ASSERT(rwlp->rw_wr_owner == NULL);
|
||||
|
||||
if (rw == RW_READER)
|
||||
atomic_inc_uint(&rwlp->rw_readers);
|
||||
else {
|
||||
ASSERT3U(rwlp->rw_readers, ==, 0);
|
||||
rwlp->rw_wr_owner = curthread;
|
||||
}
|
||||
|
||||
rwlp->rw_owner = curthread;
|
||||
return (1);
|
||||
}
|
||||
|
||||
VERIFY3S(rv, ==, EBUSY);
|
||||
|
||||
return (0);
|
||||
}
|
||||
|
||||
|
|
@ -226,8 +270,7 @@ rw_tryenter(krwlock_t *rwlp, krw_t rw)
|
|||
int
|
||||
rw_tryupgrade(krwlock_t *rwlp)
|
||||
{
|
||||
ASSERT(rwlp->initialized == B_TRUE);
|
||||
ASSERT(rwlp->rw_owner != (void *)-1UL);
|
||||
ASSERT(rwlp->rw_magic == RW_MAGIC);
|
||||
|
||||
return (0);
|
||||
}
|
||||
|
|
@ -241,22 +284,34 @@ rw_tryupgrade(krwlock_t *rwlp)
|
|||
void
|
||||
cv_init(kcondvar_t *cv, char *name, int type, void *arg)
|
||||
{
|
||||
VERIFY(cond_init(cv, type, NULL) == 0);
|
||||
ASSERT(type == CV_DEFAULT);
|
||||
|
||||
#ifdef IM_FEELING_LUCKY
|
||||
ASSERT(cv->cv_magic != CV_MAGIC);
|
||||
#endif
|
||||
|
||||
cv->cv_magic = CV_MAGIC;
|
||||
|
||||
VERIFY3S(pthread_cond_init(&cv->cv, NULL), ==, 0);
|
||||
}
|
||||
|
||||
void
|
||||
cv_destroy(kcondvar_t *cv)
|
||||
{
|
||||
VERIFY(cond_destroy(cv) == 0);
|
||||
ASSERT(cv->cv_magic == CV_MAGIC);
|
||||
VERIFY3S(pthread_cond_destroy(&cv->cv), ==, 0);
|
||||
cv->cv_magic = 0;
|
||||
}
|
||||
|
||||
void
|
||||
cv_wait(kcondvar_t *cv, kmutex_t *mp)
|
||||
{
|
||||
ASSERT(cv->cv_magic == CV_MAGIC);
|
||||
ASSERT(mutex_owner(mp) == curthread);
|
||||
mp->m_owner = NULL;
|
||||
int ret = cond_wait(cv, &mp->m_lock);
|
||||
VERIFY(ret == 0 || ret == EINTR);
|
||||
int ret = pthread_cond_wait(&cv->cv, &mp->m_lock);
|
||||
if (ret != 0)
|
||||
VERIFY3S(ret, ==, EINTR);
|
||||
mp->m_owner = curthread;
|
||||
}
|
||||
|
||||
|
|
@ -264,29 +319,38 @@ clock_t
|
|||
cv_timedwait(kcondvar_t *cv, kmutex_t *mp, clock_t abstime)
|
||||
{
|
||||
int error;
|
||||
struct timeval tv;
|
||||
timestruc_t ts;
|
||||
clock_t delta;
|
||||
|
||||
ASSERT(cv->cv_magic == CV_MAGIC);
|
||||
|
||||
top:
|
||||
delta = abstime - lbolt;
|
||||
if (delta <= 0)
|
||||
return (-1);
|
||||
|
||||
ts.tv_sec = delta / hz;
|
||||
ts.tv_nsec = (delta % hz) * (NANOSEC / hz);
|
||||
VERIFY(gettimeofday(&tv, NULL) == 0);
|
||||
|
||||
ts.tv_sec = tv.tv_sec + delta / hz;
|
||||
ts.tv_nsec = tv.tv_usec * 1000 + (delta % hz) * (NANOSEC / hz);
|
||||
if (ts.tv_nsec >= NANOSEC) {
|
||||
ts.tv_sec++;
|
||||
ts.tv_nsec -= NANOSEC;
|
||||
}
|
||||
|
||||
ASSERT(mutex_owner(mp) == curthread);
|
||||
mp->m_owner = NULL;
|
||||
error = cond_reltimedwait(cv, &mp->m_lock, &ts);
|
||||
error = pthread_cond_timedwait(&cv->cv, &mp->m_lock, &ts);
|
||||
mp->m_owner = curthread;
|
||||
|
||||
if (error == ETIME)
|
||||
if (error == ETIMEDOUT)
|
||||
return (-1);
|
||||
|
||||
if (error == EINTR)
|
||||
goto top;
|
||||
|
||||
ASSERT(error == 0);
|
||||
VERIFY3S(error, ==, 0);
|
||||
|
||||
return (1);
|
||||
}
|
||||
|
|
@ -294,13 +358,15 @@ top:
|
|||
void
|
||||
cv_signal(kcondvar_t *cv)
|
||||
{
|
||||
VERIFY(cond_signal(cv) == 0);
|
||||
ASSERT(cv->cv_magic == CV_MAGIC);
|
||||
VERIFY3S(pthread_cond_signal(&cv->cv), ==, 0);
|
||||
}
|
||||
|
||||
void
|
||||
cv_broadcast(kcondvar_t *cv)
|
||||
{
|
||||
VERIFY(cond_broadcast(cv) == 0);
|
||||
ASSERT(cv->cv_magic == CV_MAGIC);
|
||||
VERIFY3S(pthread_cond_broadcast(&cv->cv), ==, 0);
|
||||
}
|
||||
|
||||
/*
|
||||
|
|
@ -542,7 +608,7 @@ __dprintf(const char *file, const char *func, int line, const char *fmt, ...)
|
|||
if (dprintf_find_string("pid"))
|
||||
(void) printf("%d ", getpid());
|
||||
if (dprintf_find_string("tid"))
|
||||
(void) printf("%u ", thr_self());
|
||||
(void) printf("%u ", (uint_t) pthread_self());
|
||||
if (dprintf_find_string("cpu"))
|
||||
(void) printf("%u ", getcpuid());
|
||||
if (dprintf_find_string("time"))
|
||||
|
|
|
|||
|
|
@ -42,7 +42,7 @@ struct taskq {
|
|||
krwlock_t tq_threadlock;
|
||||
kcondvar_t tq_dispatch_cv;
|
||||
kcondvar_t tq_wait_cv;
|
||||
thread_t *tq_threadlist;
|
||||
pthread_t *tq_threadlist;
|
||||
int tq_flags;
|
||||
int tq_active;
|
||||
int tq_nthreads;
|
||||
|
|
@ -185,7 +185,7 @@ taskq_create(const char *name, int nthreads, pri_t pri,
|
|||
tq->tq_maxalloc = maxalloc;
|
||||
tq->tq_task.task_next = &tq->tq_task;
|
||||
tq->tq_task.task_prev = &tq->tq_task;
|
||||
tq->tq_threadlist = kmem_alloc(nthreads * sizeof (thread_t), KM_SLEEP);
|
||||
tq->tq_threadlist = kmem_alloc(nthreads * sizeof (pthread_t), KM_SLEEP);
|
||||
|
||||
if (flags & TASKQ_PREPOPULATE) {
|
||||
mutex_enter(&tq->tq_lock);
|
||||
|
|
@ -195,8 +195,8 @@ taskq_create(const char *name, int nthreads, pri_t pri,
|
|||
}
|
||||
|
||||
for (t = 0; t < nthreads; t++)
|
||||
(void) thr_create(0, 0, taskq_thread,
|
||||
tq, THR_BOUND, &tq->tq_threadlist[t]);
|
||||
VERIFY(pthread_create(&tq->tq_threadlist[t],
|
||||
NULL, taskq_thread, tq) == 0);
|
||||
|
||||
return (tq);
|
||||
}
|
||||
|
|
@ -226,9 +226,9 @@ taskq_destroy(taskq_t *tq)
|
|||
mutex_exit(&tq->tq_lock);
|
||||
|
||||
for (t = 0; t < nthreads; t++)
|
||||
(void) thr_join(tq->tq_threadlist[t], NULL, NULL);
|
||||
VERIFY(pthread_join(tq->tq_threadlist[t], NULL) == 0);
|
||||
|
||||
kmem_free(tq->tq_threadlist, nthreads * sizeof (thread_t));
|
||||
kmem_free(tq->tq_threadlist, nthreads * sizeof (pthread_t));
|
||||
|
||||
rw_destroy(&tq->tq_threadlock);
|
||||
mutex_destroy(&tq->tq_lock);
|
||||
|
|
@ -247,7 +247,7 @@ taskq_member(taskq_t *tq, void *t)
|
|||
return (1);
|
||||
|
||||
for (i = 0; i < tq->tq_nthreads; i++)
|
||||
if (tq->tq_threadlist[i] == (thread_t)(uintptr_t)t)
|
||||
if (tq->tq_threadlist[i] == (pthread_t)(uintptr_t)t)
|
||||
return (1);
|
||||
|
||||
return (0);
|
||||
|
|
|
|||
|
|
@ -48,6 +48,8 @@ dmu_tx_create_dd(dsl_dir_t *dd)
|
|||
tx->tx_pool = dd->dd_pool;
|
||||
list_create(&tx->tx_holds, sizeof (dmu_tx_hold_t),
|
||||
offsetof(dmu_tx_hold_t, txh_node));
|
||||
list_create(&tx->tx_callbacks, sizeof (dmu_tx_callback_t),
|
||||
offsetof(dmu_tx_callback_t, dcb_node));
|
||||
#ifdef ZFS_DEBUG
|
||||
refcount_create(&tx->tx_space_written);
|
||||
refcount_create(&tx->tx_space_freed);
|
||||
|
|
@ -1020,8 +1022,13 @@ dmu_tx_commit(dmu_tx_t *tx)
|
|||
if (tx->tx_tempreserve_cookie)
|
||||
dsl_dir_tempreserve_clear(tx->tx_tempreserve_cookie, tx);
|
||||
|
||||
if (!list_is_empty(&tx->tx_callbacks))
|
||||
txg_register_callbacks(&tx->tx_txgh, &tx->tx_callbacks);
|
||||
|
||||
if (tx->tx_anyobj == FALSE)
|
||||
txg_rele_to_sync(&tx->tx_txgh);
|
||||
|
||||
list_destroy(&tx->tx_callbacks);
|
||||
list_destroy(&tx->tx_holds);
|
||||
#ifdef ZFS_DEBUG
|
||||
dprintf("towrite=%llu written=%llu tofree=%llu freed=%llu\n",
|
||||
|
|
@ -1050,6 +1057,14 @@ dmu_tx_abort(dmu_tx_t *tx)
|
|||
if (dn != NULL)
|
||||
dnode_rele(dn, tx);
|
||||
}
|
||||
|
||||
/*
|
||||
* Call any registered callbacks with an error code.
|
||||
*/
|
||||
if (!list_is_empty(&tx->tx_callbacks))
|
||||
dmu_tx_callback(&tx->tx_callbacks, ECANCELED);
|
||||
|
||||
list_destroy(&tx->tx_callbacks);
|
||||
list_destroy(&tx->tx_holds);
|
||||
#ifdef ZFS_DEBUG
|
||||
refcount_destroy_many(&tx->tx_space_written,
|
||||
|
|
@ -1066,3 +1081,31 @@ dmu_tx_get_txg(dmu_tx_t *tx)
|
|||
ASSERT(tx->tx_txg != 0);
|
||||
return (tx->tx_txg);
|
||||
}
|
||||
|
||||
void
|
||||
dmu_tx_callback_register(dmu_tx_t *tx, dmu_tx_callback_func_t *func, void *data)
|
||||
{
|
||||
dmu_tx_callback_t *dcb;
|
||||
|
||||
dcb = kmem_alloc(sizeof (dmu_tx_callback_t), KM_SLEEP);
|
||||
|
||||
dcb->dcb_func = func;
|
||||
dcb->dcb_data = data;
|
||||
|
||||
list_insert_tail(&tx->tx_callbacks, dcb);
|
||||
}
|
||||
|
||||
/*
|
||||
* Call all the commit callbacks on a list, with a given error code.
|
||||
*/
|
||||
void
|
||||
dmu_tx_callback(list_t *cb_list, int error)
|
||||
{
|
||||
dmu_tx_callback_t *dcb;
|
||||
|
||||
while (dcb = list_head(cb_list)) {
|
||||
list_remove(cb_list, dcb);
|
||||
dcb->dcb_func(dcb->dcb_data, error);
|
||||
kmem_free(dcb, sizeof (dmu_tx_callback_t));
|
||||
}
|
||||
}
|
||||
|
|
|
|||
|
|
@ -429,6 +429,26 @@ int dmu_tx_assign(dmu_tx_t *tx, uint64_t txg_how);
|
|||
void dmu_tx_wait(dmu_tx_t *tx);
|
||||
void dmu_tx_commit(dmu_tx_t *tx);
|
||||
|
||||
/*
|
||||
* To register a commit callback, dmu_tx_callback_register() must be called.
|
||||
*
|
||||
* dcb_data is a pointer to caller private data that is passed on as a
|
||||
* callback parameter. The caller is responsible for properly allocating and
|
||||
* freeing it.
|
||||
*
|
||||
* When registering a callback, the transaction must be already created, but
|
||||
* it cannot be committed or aborted. It can be assigned to a txg or not.
|
||||
*
|
||||
* The callback will be called after the transaction has been safely written
|
||||
* to stable storage and will also be called if the dmu_tx is aborted.
|
||||
* If there is any error which prevents the transaction from being committed to
|
||||
* disk, the callback will be called with a value of error != 0.
|
||||
*/
|
||||
typedef void dmu_tx_callback_func_t(void *dcb_data, int error);
|
||||
|
||||
void dmu_tx_callback_register(dmu_tx_t *tx, dmu_tx_callback_func_t *dcb_func,
|
||||
void *dcb_data);
|
||||
|
||||
/*
|
||||
* Free up the data blocks for a defined range of a file. If size is
|
||||
* zero, the range from offset to end-of-file is freed.
|
||||
|
|
|
|||
|
|
@ -26,8 +26,6 @@
|
|||
#ifndef _SYS_DMU_TX_H
|
||||
#define _SYS_DMU_TX_H
|
||||
|
||||
|
||||
|
||||
#include <sys/inttypes.h>
|
||||
#include <sys/dmu.h>
|
||||
#include <sys/txg.h>
|
||||
|
|
@ -59,6 +57,7 @@ struct dmu_tx {
|
|||
txg_handle_t tx_txgh;
|
||||
void *tx_tempreserve_cookie;
|
||||
struct dmu_tx_hold *tx_needassign_txh;
|
||||
list_t tx_callbacks; /* list of dmu_tx_callback_t on this dmu_tx */
|
||||
uint8_t tx_anyobj;
|
||||
int tx_err;
|
||||
#ifdef ZFS_DEBUG
|
||||
|
|
@ -98,6 +97,11 @@ typedef struct dmu_tx_hold {
|
|||
#endif
|
||||
} dmu_tx_hold_t;
|
||||
|
||||
typedef struct dmu_tx_callback {
|
||||
list_node_t dcb_node; /* linked to tx_callbacks list */
|
||||
dmu_tx_callback_func_t *dcb_func; /* caller function pointer */
|
||||
void *dcb_data; /* caller private data */
|
||||
} dmu_tx_callback_t;
|
||||
|
||||
/*
|
||||
* These routines are defined in dmu.h, and are called by the user.
|
||||
|
|
@ -109,6 +113,10 @@ void dmu_tx_abort(dmu_tx_t *tx);
|
|||
uint64_t dmu_tx_get_txg(dmu_tx_t *tx);
|
||||
void dmu_tx_wait(dmu_tx_t *tx);
|
||||
|
||||
void dmu_tx_callback_register(dmu_tx_t *tx, dmu_tx_callback_func_t *dcb_func,
|
||||
void *dcb_data);
|
||||
void dmu_tx_callback(list_t *cb_list, int error);
|
||||
|
||||
/*
|
||||
* These routines are defined in dmu_spa.h, and are called by the SPA.
|
||||
*/
|
||||
|
|
|
|||
|
|
@ -26,8 +26,6 @@
|
|||
#ifndef _SYS_TXG_H
|
||||
#define _SYS_TXG_H
|
||||
|
||||
|
||||
|
||||
#include <sys/spa.h>
|
||||
#include <sys/zfs_context.h>
|
||||
|
||||
|
|
@ -71,6 +69,7 @@ extern void txg_sync_stop(struct dsl_pool *dp);
|
|||
extern uint64_t txg_hold_open(struct dsl_pool *dp, txg_handle_t *txghp);
|
||||
extern void txg_rele_to_quiesce(txg_handle_t *txghp);
|
||||
extern void txg_rele_to_sync(txg_handle_t *txghp);
|
||||
extern void txg_register_callbacks(txg_handle_t *txghp, list_t *tx_callbacks);
|
||||
extern void txg_suspend(struct dsl_pool *dp);
|
||||
extern void txg_resume(struct dsl_pool *dp);
|
||||
|
||||
|
|
|
|||
|
|
@ -33,10 +33,16 @@
|
|||
extern "C" {
|
||||
#endif
|
||||
|
||||
typedef struct tx_cb {
|
||||
tx_cpu_t *tcb_tc;
|
||||
uint64_t tcb_txg;
|
||||
} tx_cb_t;
|
||||
|
||||
struct tx_cpu {
|
||||
kmutex_t tc_lock;
|
||||
kcondvar_t tc_cv[TXG_SIZE];
|
||||
uint64_t tc_count[TXG_SIZE];
|
||||
list_t tc_callbacks[TXG_SIZE]; /* commit cb list */
|
||||
char tc_pad[16];
|
||||
};
|
||||
|
||||
|
|
@ -64,6 +70,8 @@ typedef struct tx_state {
|
|||
|
||||
kthread_t *tx_sync_thread;
|
||||
kthread_t *tx_quiesce_thread;
|
||||
|
||||
taskq_t *tx_commit_cb_taskq; /* commit callback taskq */
|
||||
} tx_state_t;
|
||||
|
||||
#ifdef __cplusplus
|
||||
|
|
|
|||
108
module/zfs/txg.c
108
module/zfs/txg.c
|
|
@ -26,6 +26,7 @@
|
|||
#include <sys/zfs_context.h>
|
||||
#include <sys/txg_impl.h>
|
||||
#include <sys/dmu_impl.h>
|
||||
#include <sys/dmu_tx.h>
|
||||
#include <sys/dsl_pool.h>
|
||||
#include <sys/callb.h>
|
||||
|
||||
|
|
@ -57,6 +58,9 @@ txg_init(dsl_pool_t *dp, uint64_t txg)
|
|||
for (i = 0; i < TXG_SIZE; i++) {
|
||||
cv_init(&tx->tx_cpu[c].tc_cv[i], NULL, CV_DEFAULT,
|
||||
NULL);
|
||||
list_create(&tx->tx_cpu[c].tc_callbacks[i],
|
||||
sizeof (dmu_tx_callback_t),
|
||||
offsetof(dmu_tx_callback_t, dcb_node));
|
||||
}
|
||||
}
|
||||
|
||||
|
|
@ -96,10 +100,15 @@ txg_fini(dsl_pool_t *dp)
|
|||
int i;
|
||||
|
||||
mutex_destroy(&tx->tx_cpu[c].tc_lock);
|
||||
for (i = 0; i < TXG_SIZE; i++)
|
||||
for (i = 0; i < TXG_SIZE; i++) {
|
||||
cv_destroy(&tx->tx_cpu[c].tc_cv[i]);
|
||||
list_destroy(&tx->tx_cpu[c].tc_callbacks[i]);
|
||||
}
|
||||
}
|
||||
|
||||
if (tx->tx_commit_cb_taskq != NULL)
|
||||
taskq_destroy(tx->tx_commit_cb_taskq);
|
||||
|
||||
kmem_free(tx->tx_cpu, max_ncpus * sizeof (tx_cpu_t));
|
||||
|
||||
bzero(tx, sizeof (tx_state_t));
|
||||
|
|
@ -229,25 +238,55 @@ txg_rele_to_quiesce(txg_handle_t *th)
|
|||
}
|
||||
|
||||
void
|
||||
txg_rele_to_sync(txg_handle_t *th)
|
||||
txg_register_callbacks(txg_handle_t *th, list_t *tx_callbacks)
|
||||
{
|
||||
tx_cpu_t *tc = th->th_cpu;
|
||||
int g = th->th_txg & TXG_MASK;
|
||||
|
||||
mutex_enter(&tc->tc_lock);
|
||||
list_move_tail(&tc->tc_callbacks[g], tx_callbacks);
|
||||
mutex_exit(&tc->tc_lock);
|
||||
}
|
||||
|
||||
static void
|
||||
txg_exit(tx_cpu_t *tc, uint64_t txg)
|
||||
{
|
||||
int g = txg & TXG_MASK;
|
||||
|
||||
mutex_enter(&tc->tc_lock);
|
||||
ASSERT(tc->tc_count[g] != 0);
|
||||
if (--tc->tc_count[g] == 0)
|
||||
cv_broadcast(&tc->tc_cv[g]);
|
||||
mutex_exit(&tc->tc_lock);
|
||||
}
|
||||
|
||||
void
|
||||
txg_rele_to_sync(txg_handle_t *th)
|
||||
{
|
||||
txg_exit(th->th_cpu, th->th_txg);
|
||||
|
||||
th->th_cpu = NULL; /* defensive */
|
||||
}
|
||||
|
||||
static void
|
||||
txg_wait_exit(tx_state_t *tx, uint64_t txg)
|
||||
{
|
||||
int g = txg & TXG_MASK;
|
||||
int c;
|
||||
|
||||
for (c = 0; c < max_ncpus; c++) {
|
||||
tx_cpu_t *tc = &tx->tx_cpu[c];
|
||||
mutex_enter(&tc->tc_lock);
|
||||
while (tc->tc_count[g] != 0)
|
||||
cv_wait(&tc->tc_cv[g], &tc->tc_lock);
|
||||
mutex_exit(&tc->tc_lock);
|
||||
}
|
||||
}
|
||||
|
||||
static void
|
||||
txg_quiesce(dsl_pool_t *dp, uint64_t txg)
|
||||
{
|
||||
tx_state_t *tx = &dp->dp_tx;
|
||||
int g = txg & TXG_MASK;
|
||||
int c;
|
||||
|
||||
/*
|
||||
|
|
@ -269,12 +308,60 @@ txg_quiesce(dsl_pool_t *dp, uint64_t txg)
|
|||
/*
|
||||
* Quiesce the transaction group by waiting for everyone to txg_exit().
|
||||
*/
|
||||
txg_wait_exit(tx, txg);
|
||||
}
|
||||
|
||||
static void
|
||||
txg_callback(tx_cb_t *tcb)
|
||||
{
|
||||
tx_cpu_t *tc = tcb->tcb_tc;
|
||||
int g = tcb->tcb_txg & TXG_MASK;
|
||||
|
||||
dmu_tx_callback(&tc->tc_callbacks[g], 0);
|
||||
|
||||
txg_exit(tc, tcb->tcb_txg);
|
||||
|
||||
kmem_free(tcb, sizeof (tx_cb_t));
|
||||
}
|
||||
|
||||
/*
|
||||
* Dispatch the commit callbacks registered on this txg to worker threads.
|
||||
*/
|
||||
static void
|
||||
txg_dispatch_callbacks(dsl_pool_t *dp, uint64_t txg)
|
||||
{
|
||||
int c;
|
||||
tx_state_t *tx = &dp->dp_tx;
|
||||
tx_cb_t *tcb;
|
||||
|
||||
for (c = 0; c < max_ncpus; c++) {
|
||||
tx_cpu_t *tc = &tx->tx_cpu[c];
|
||||
mutex_enter(&tc->tc_lock);
|
||||
while (tc->tc_count[g] != 0)
|
||||
cv_wait(&tc->tc_cv[g], &tc->tc_lock);
|
||||
mutex_exit(&tc->tc_lock);
|
||||
/* No need to lock tx_cpu_t at this point */
|
||||
|
||||
int g = txg & TXG_MASK;
|
||||
|
||||
if (list_is_empty(&tc->tc_callbacks[g]))
|
||||
continue;
|
||||
|
||||
if (tx->tx_commit_cb_taskq == NULL) {
|
||||
/*
|
||||
* Commit callback taskq hasn't been created yet.
|
||||
*/
|
||||
tx->tx_commit_cb_taskq = taskq_create("tx_commit_cb",
|
||||
max_ncpus, minclsyspri, max_ncpus, max_ncpus * 4,
|
||||
TASKQ_PREPOPULATE);
|
||||
}
|
||||
|
||||
tcb = kmem_alloc(sizeof (tx_cb_t), KM_SLEEP);
|
||||
tcb->tcb_txg = txg;
|
||||
tcb->tcb_tc = tc;
|
||||
|
||||
/* There shouldn't be any holders on this txg at this point */
|
||||
ASSERT3U(tc->tc_count[g], ==, 0);
|
||||
tc->tc_count[g]++;
|
||||
|
||||
(void) taskq_dispatch(tx->tx_commit_cb_taskq, (task_func_t *)
|
||||
txg_callback, tcb, TQ_SLEEP);
|
||||
}
|
||||
}
|
||||
|
||||
|
|
@ -345,6 +432,13 @@ txg_sync_thread(dsl_pool_t *dp)
|
|||
spa_sync(dp->dp_spa, txg);
|
||||
delta = lbolt - start;
|
||||
|
||||
/*
|
||||
* Dispatch commit callbacks to worker threads and wait for
|
||||
* them to finish.
|
||||
*/
|
||||
txg_dispatch_callbacks(dp, txg);
|
||||
txg_wait_exit(tx, txg);
|
||||
|
||||
mutex_enter(&tx->tx_sync_lock);
|
||||
rw_enter(&tx->tx_suspend, RW_WRITER);
|
||||
tx->tx_synced_txg = txg;
|
||||
|
|
|
|||
Loading…
Reference in New Issue