Use zfs_trim_zero=1 in ztest.

For ztest to reliably check for corruption issues in the TRIM code, we need to make sure TRIM zeroes data, even if the underlying filesystem doesn't support file hole punching.
openzfs · Sep 18, 2012 · 4cb878d · 4cb878d
1 parent 37806f0
commit 4cb878d
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/cmd/ztest/ztest.c b/cmd/ztest/ztest.c
@@ -5683,6 +5683,9 @@ main(int argc, char **argv)
 	VERIFY(asprintf((char **)&spa_config_path, "%s/zpool.cache",
 	    zopt_dir) != -1);
 
+	/* Make sure TRIM zeroes data so that we can test it */
+	zfs_trim_zero = 1;
+
 	/*
 	 * Blow away any existing copy of zpool.cache
 	 */