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Driver Core: block: add nodename support for block drivers.

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This adds support for block drivers to report their requested nodename
to userspace.  It also updates a number of block drivers to provide the
needed subdirectory and device name to be used for them.

Signed-off-by: Kay Sievers <[email protected]>
Signed-off-by: Jan Blunck <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
This commit is contained in:
Kay Sievers 2009-04-30 15:23:42 +02:00 • committed by Greg Kroah-Hartman
commit b03f38b685
3 changed files with 18 additions and 1 deletions
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10
block/genhd.c
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@ -996,10 +996,20 @@ struct class block_class = {
.name = "block",
};
static char *block_nodename(struct device *dev)
{
struct gendisk *disk = dev_to_disk(dev);
if (disk->nodename)
return disk->nodename(disk);
return NULL;
}
static struct device_type disk_type = {
.name = "disk",
.groups = disk_attr_groups,
.release = disk_release,
.nodename = block_nodename,
};
#ifdef CONFIG_PROC_FS