dm: allow autoloading of dm mod
Add devname:mapper/control and MAPPER_CTRL_MINOR module alias
to support dm-mod module autoloading.
Signed-off-by: Kay Sievers <kay.sievers@vrfy.org>
Signed-off-by: Peter Rajnoha <prajnoha@redhat.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
diff --git a/drivers/md/dm-ioctl.c b/drivers/md/dm-ioctl.c
index 4d4ced8..3e39193 100644
--- a/drivers/md/dm-ioctl.c
+++ b/drivers/md/dm-ioctl.c
@@ -1599,12 +1599,15 @@
};
static struct miscdevice _dm_misc = {
- .minor = MISC_DYNAMIC_MINOR,
+ .minor = MAPPER_CTRL_MINOR,
.name = DM_NAME,
- .nodename = "mapper/control",
+ .nodename = DM_DIR "/" DM_CONTROL_NODE,
.fops = &_ctl_fops
};
+MODULE_ALIAS_MISCDEV(MAPPER_CTRL_MINOR);
+MODULE_ALIAS("devname:" DM_DIR "/" DM_CONTROL_NODE);
+
/*
* Create misc character device and link to DM_DIR/control.
*/
