multipath: fix cciss device names

When we're looking for cciss devices in sysfs, they have a "!" not a "/".
If users run multipath on a cciss device using it's devnode name,
/dev/cciss/cXdY, multipath should convert that to the sysfs name.

Signed-off-by: Benjamin Marzinski <bmarzins@redhat.com>

diff --git a/multipath/main.c b/multipath/main.c
index 9ea2ae32de568c7a63854cf34b0d23f8cee543ac..628da6b76862ac2675d3283e05f2eee9b325018b 100644 (file)
--- a/multipath/main.c
+++ b/multipath/main.c
@@ -393,6 +393,16 @@ get_dev_type(char *dev) {
                return DEV_DEVMAP;
 }
 
+static void
+convert_dev(char *dev)
+{
+       char *ptr = strstr(dev, "cciss/");
+       if (ptr) {
+               ptr += 5;
+               *ptr = '!';
+       }
+}
+
 int
 main (int argc, char *argv[])
 {
@@ -494,6 +504,8 @@ main (int argc, char *argv[])
 
                strncpy(conf->dev, argv[optind], FILE_NAME_SIZE);
                conf->dev_type = get_dev_type(conf->dev);
+               if (conf->dev_type == DEV_DEVNODE)
+                       convert_dev(conf->dev);
        }
        conf->daemon = 0;