X-Git-Url: https://git.kernel.dk/?p=fio.git;a=blobdiff_plain;f=options.c;h=5f4a8ec2923040ed35c89aaecacb906867cda47d;hp=484efc1a2ebe8dd438dceff5a2a1307c8eaf7c0b;hb=d2ba0d7c5b9b3ddd78e917a2c9e2ca98608f9480;hpb=1b10477b21157800f030c3ec91511a810e75e4c7

diff --git a/options.c b/options.c
index 484efc1a..5f4a8ec2 100644
--- a/options.c
+++ b/options.c
@@ -672,7 +672,7 @@ static int str_numa_mpol_cb(void *data, char *input)
 		}
 		td->o.numa_memnodes = strdup(nodelist);
 		numa_free_nodemask(verify_bitmask);
-                
+
 		break;
 	case MPOL_LOCAL:
 	case MPOL_DEFAULT:
@@ -985,8 +985,8 @@ static int pattern_cb(char *pattern, unsigned int max_size,
 
 	if (i == 1) {
 		/*
-		 * The code in verify_io_u_pattern assumes a single byte pattern
-		 * fills the whole verify pattern buffer.
+		 * The code in verify_io_u_pattern assumes a single byte
+		 * pattern fills the whole verify pattern buffer.
 		 */
 		memset(pattern, pattern[0], max_size);
 	}
@@ -1003,10 +1003,13 @@ static int str_buffer_pattern_cb(void *data, const char *input)
 	ret = pattern_cb(td->o.buffer_pattern, MAX_PATTERN_SIZE, input,
 				&td->o.buffer_pattern_bytes);
 
-	if (!ret) {
+	if (!ret && td->o.buffer_pattern_bytes) {
 		td->o.refill_buffers = 0;
 		td->o.scramble_buffers = 0;
 		td->o.zero_buffers = 0;
+	} else {
+		log_err("fio: failed parsing pattern `%s`\n", input);
+		ret = 1;
 	}
 
 	return ret;
@@ -1542,7 +1545,7 @@ struct fio_option fio_options[FIO_MAX_OPTS] = {
 			  },
 #endif
 #ifdef CONFIG_LIBHDFS
-			  { .ival = "hdfs",
+			  { .ival = "libhdfs",
 			    .help = "Hadoop Distributed Filesystem (HDFS) engine"
 			  },
 #endif