*/
typedef struct ztest_ds {
objset_t *zd_os;
+ krwlock_t zd_zilog_lock;
zilog_t *zd_zilog;
uint64_t zd_seq;
ztest_od_t *zd_od; /* debugging aid */
ztest_func_t ztest_zap;
ztest_func_t ztest_zap_parallel;
ztest_func_t ztest_zil_commit;
+ztest_func_t ztest_zil_remount;
ztest_func_t ztest_dmu_read_write_zcopy;
ztest_func_t ztest_dmu_objset_create_destroy;
ztest_func_t ztest_dmu_prealloc;
{ ztest_zap_parallel, 100, &zopt_always },
{ ztest_split_pool, 1, &zopt_always },
{ ztest_zil_commit, 1, &zopt_incessant },
+ { ztest_zil_remount, 1, &zopt_sometimes },
{ ztest_dmu_read_write_zcopy, 1, &zopt_often },
{ ztest_dmu_objset_create_destroy, 1, &zopt_often },
{ ztest_dsl_prop_get_set, 1, &zopt_often },
dmu_objset_name(os, zd->zd_name);
int l;
+ rw_init(&zd->zd_zilog_lock, NULL, RW_DEFAULT, NULL);
mutex_init(&zd->zd_dirobj_lock, NULL, MUTEX_DEFAULT, NULL);
for (l = 0; l < ZTEST_OBJECT_LOCKS; l++)
int l;
mutex_destroy(&zd->zd_dirobj_lock);
+ rw_destroy(&zd->zd_zilog_lock);
for (l = 0; l < ZTEST_OBJECT_LOCKS; l++)
ztest_rll_destroy(&zd->zd_object_lock[l]);
if (ztest_random(2) == 0)
io_type = ZTEST_IO_WRITE_TAG;
+ (void) rw_enter(&zd->zd_zilog_lock, RW_READER);
+
switch (io_type) {
case ZTEST_IO_WRITE_TAG:
break;
}
+ (void) rw_exit(&zd->zd_zilog_lock);
+
umem_free(data, blocksize);
}
{
zilog_t *zilog = zd->zd_zilog;
+ (void) rw_enter(&zd->zd_zilog_lock, RW_READER);
+
zil_commit(zilog, ztest_random(ZTEST_OBJECTS));
/*
ASSERT(zd->zd_seq <= zilog->zl_commit_lr_seq);
zd->zd_seq = zilog->zl_commit_lr_seq;
mutex_exit(&zilog->zl_lock);
+
+ (void) rw_exit(&zd->zd_zilog_lock);
+}
+
+/*
+ * This function is designed to simulate the operations that occur during a
+ * mount/unmount operation. We hold the dataset across these operations in an
+ * attempt to expose any implicit assumptions about ZIL management.
+ */
+/* ARGSUSED */
+void
+ztest_zil_remount(ztest_ds_t *zd, uint64_t id)
+{
+ objset_t *os = zd->zd_os;
+
+ (void) rw_enter(&zd->zd_zilog_lock, RW_WRITER);
+
+ /* zfs_sb_teardown() */
+ zil_close(zd->zd_zilog);
+
+ /* zfsvfs_setup() */
+ VERIFY(zil_open(os, ztest_get_data) == zd->zd_zilog);
+ zil_replay(os, zd, ztest_replay_vector);
+
+ (void) rw_exit(&zd->zd_zilog_lock);
}
/*