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vhost-net: add module alias (v2.1)

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By adding some module aliases, programs (or users) won't have to explicitly
call modprobe. Vhost-net will always be available if built into the kernel.
It does require assigning a permanent minor number for depmod to work.

Also:
  - use C99 style initialization.
  - add missing entry in documentation for loop-control

Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Acked-By: Kay Sievers <kay.sievers@vrfy.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
stephen hemminger 2012-01-11 19:30:38 +00:00 committed by David S. Miller
parent 252c3d84ed
commit 7c7c7f01cc
3 changed files with 9 additions and 3 deletions
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3
Documentation/devices.txt
View file

@ -447,6 +447,9 @@ Your cooperation is appreciated.
234 = /dev/btrfs-control Btrfs control device
235 = /dev/autofs Autofs control device
236 = /dev/mapper/control Device-Mapper control device
237 = /dev/loop-control Loopback control device
238 = /dev/vhost-net Host kernel accelerator for virtio net
240-254 Reserved for local use
255 Reserved for MISC_DYNAMIC_MINOR

8
drivers/vhost/net.c
View file

@ -856,9 +856,9 @@ static const struct file_operations vhost_net_fops = {
};
static struct miscdevice vhost_net_misc = {
MISC_DYNAMIC_MINOR,
"vhost-net",
&vhost_net_fops,
.minor = VHOST_NET_MINOR,
.name = "vhost-net",
.fops = &vhost_net_fops,
};
static int vhost_net_init(void)
@ -879,3 +879,5 @@ MODULE_VERSION("0.0.1");
MODULE_LICENSE("GPL v2");
MODULE_AUTHOR("Michael S. Tsirkin");
MODULE_DESCRIPTION("Host kernel accelerator for virtio net");
MODULE_ALIAS_MISCDEV(VHOST_NET_MINOR);
MODULE_ALIAS("devname:vhost-net");

1
include/linux/miscdevice.h
View file

@ -42,6 +42,7 @@
#define AUTOFS_MINOR 235
#define MAPPER_CTRL_MINOR 236
#define LOOP_CTRL_MINOR 237
#define VHOST_NET_MINOR 238
#define MISC_DYNAMIC_MINOR 255
struct device;