X-Git-Url: https://git.kernel.dk/?a=blobdiff_plain;f=options.c;h=2daa983e0d9b2ef1002bd10ed6156fe8e5ba486f;hb=872e0415ed05ad5bf639c990da224447cadf58b3;hp=e0deab0a4d1020eed452078b521341a4c514bc15;hpb=8243be59aa35aa016fcbeee99353b08376953911;p=fio.git

diff --git a/options.c b/options.c
index e0deab0a..2daa983e 100644
--- a/options.c
+++ b/options.c
@@ -1306,8 +1306,17 @@ static int str_buffer_pattern_cb(void *data, const char *input)
 
 	assert(ret != 0);
 	td->o.buffer_pattern_bytes = ret;
-	if (!td->o.compress_percentage)
+
+	/*
+	 * If this job is doing any reading or has compression set,
+	 * ensure that we refill buffers for writes or we could be
+	 * invalidating the pattern through reads.
+	 */
+	if (!td->o.compress_percentage && !td_read(td))
 		td->o.refill_buffers = 0;
+	else
+		td->o.refill_buffers = 1;
+
 	td->o.scramble_buffers = 0;
 	td->o.zero_buffers = 0;
 
@@ -1372,6 +1381,22 @@ static int str_gtod_reduce_cb(void *data, int *il)
 	return 0;
 }
 
+static int str_offset_cb(void *data, unsigned long long *__val)
+{
+	struct thread_data *td = cb_data_to_td(data);
+	unsigned long long v = *__val;
+
+	if (parse_is_percent(v)) {
+		td->o.start_offset = 0;
+		td->o.start_offset_percent = -1ULL - v;
+		dprint(FD_PARSE, "SET start_offset_percent %d\n",
+					td->o.start_offset_percent);
+	} else
+		td->o.start_offset = v;
+
+	return 0;
+}
+
 static int str_size_cb(void *data, unsigned long long *__val)
 {
 	struct thread_data *td = cb_data_to_td(data);
@@ -1929,6 +1954,7 @@ struct fio_option fio_options[FIO_MAX_OPTS] = {
 		.lname	= "IO offset",
 		.alias	= "fileoffset",
 		.type	= FIO_OPT_STR_VAL,
+		.cb	= str_offset_cb,
 		.off1	= offsetof(struct thread_options, start_offset),
 		.help	= "Start IO from this offset",
 		.def	= "0",
@@ -2603,6 +2629,12 @@ struct fio_option fio_options[FIO_MAX_OPTS] = {
 			    .oval = MEM_MMAPHUGE,
 			    .help = "Like mmap, but use huge pages",
 			  },
+#endif
+#ifdef CONFIG_CUDA
+			  { .ival = "cudamalloc",
+			    .oval = MEM_CUDA_MALLOC,
+			    .help = "Allocate GPU device memory for GPUDirect RDMA",
+			  },
 #endif
 		  },
 	},
@@ -3562,6 +3594,18 @@ struct fio_option fio_options[FIO_MAX_OPTS] = {
 		.type	= FIO_OPT_UNSUPPORTED,
 		.help	= "Build fio with libnuma-dev(el) to enable this option",
 	},
+#endif
+#ifdef CONFIG_CUDA
+	{
+		.name	= "gpu_dev_id",
+		.lname	= "GPU device ID",
+		.type	= FIO_OPT_INT,
+		.off1	= offsetof(struct thread_options, gpu_dev_id),
+		.help	= "Set GPU device ID for GPUDirect RDMA",
+		.def    = "0",
+		.category = FIO_OPT_C_GENERAL,
+		.group	= FIO_OPT_G_INVALID,
+	},
 #endif
 	{
 		.name	= "end_fsync",