selftests: ublk: increase max nr_queues and queue depth

Increase max nr_queues to 32, and queue depth to 1024.

Signed-off-by: Ming Lei <ming.lei@redhat.com>
Link: https://lore.kernel.org/r/20250412023035.2649275-10-ming.lei@redhat.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>

Author: Ming Lei

tools/testing/selftests/ublk/kublk.c

@@ -1203,7 +1203,7 @@ static int cmd_dev_get_features(void)
 static int cmd_dev_help(char *exe)
 {
 	printf("%s add -t [null|loop] [-q nr_queues] [-d depth] [-n dev_id] [backfile1] [backfile2] ...\n", exe);
-	printf("\t default: nr_queues=2(max 4), depth=128(max 128), dev_id=-1(auto allocation)\n");
+	printf("\t default: nr_queues=2(max 32), depth=128(max 1024), dev_id=-1(auto allocation)\n");
 	printf("%s del [-n dev_id] -a \n", exe);
 	printf("\t -a delete all devices -n delete specified device\n");
 	printf("%s list [-n dev_id] -a \n", exe);

tools/testing/selftests/ublk/kublk.h

@@ -50,8 +50,8 @@
 #define UBLKSRV_IO_IDLE_SECS		20
 
 #define UBLK_IO_MAX_BYTES               (1 << 20)
-#define UBLK_MAX_QUEUES                 4
-#define UBLK_QUEUE_DEPTH                128
+#define UBLK_MAX_QUEUES                 32
+#define UBLK_QUEUE_DEPTH                1024
 
 #define UBLK_DBG_DEV            (1U << 0)
 #define UBLK_DBG_QUEUE          (1U << 1)