ztest should randomly change recordsize

Improve the large block feature test coverage by extending ztest
to frequently change the recordsize.  This is specificially designed
to catch corner cases which might otherwise go unnoticed.

Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Issue #354

diff --git a/cmd/ztest/ztest.c b/cmd/ztest/ztest.c
index 6b939bdb656b7f0aca0ba1efa7367dfae52ee2ca..1dfc25b6a5115396bd8e582e5ffd746c31d43939 100644 (file)
--- a/cmd/ztest/ztest.c
+++ b/cmd/ztest/ztest.c
@@ -4795,6 +4795,9 @@ ztest_dsl_prop_get_set(ztest_ds_t *zd, uint64_t id)
                (void) ztest_dsl_prop_set_uint64(zd->zd_name, proplist[p],
                    ztest_random_dsl_prop(proplist[p]), (int)ztest_random(2));
 
+       VERIFY0(ztest_dsl_prop_set_uint64(zd->zd_name, ZFS_PROP_RECORDSIZE,
+           ztest_random_blocksize(), (int)ztest_random(2)));
+
        (void) rw_unlock(&ztest_name_lock);
 }