shell: ftl: change mount command to probe and probe a flash device with FTL enabled

source/shell/ftl.c

@@ -12,26 +12,31 @@
 #include <macros.h>
 #include <shell.h>
 
-static void do_ftl_mount(const char *s);
+static void do_ftl_probe(const char *s);
 
 static struct cmd ftl_cmds[] = {
-	{ "mount", do_ftl_mount },
+	{ "probe", do_ftl_probe },
 	{ NULL, NULL },
 };
 
 extern struct flash_dev *flash;
 
-static void do_ftl_mount(const char *s)
+static void do_ftl_probe(const char *s)
 {
 	(void)s;
 
-	if (!flash) {
-		fprintf(stderr, "error: no flash device probed.\n");
+	if (flash) {
+		flash_release(flash);
+		flash = NULL;
+	}
+
+	if (!(flash = flash_probe())) {
+		fprintf(stderr, "error: unable to probe the flash device.\n");
 		return;
 	}
 
 	if (!(flash = ftl_mount(flash))) {
-		fprintf(stderr, "error: unable to mount the device.\n");
+		fprintf(stderr, "error: unable to mount the flash translation layer.\n");
 		return;
 	}
 }