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| author | Kay Sievers <kay.sievers@vrfy.org> | 2009-04-30 15:23:42 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2009-06-15 21:30:25 -0700 |
| commit | b03f38b685e2e1db174fb8982930e789a516f414 (patch) | |
| tree | 8ad84738e433409647a1450a991dba1ba90d7921 /block | |
| parent | f7a386c5b8ff34cd84ae922603d1c6f9d234edee (diff) | |
| download | lwn-b03f38b685e2e1db174fb8982930e789a516f414.tar.gz lwn-b03f38b685e2e1db174fb8982930e789a516f414.zip | |
Driver Core: block: add nodename support for block drivers.
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 <kay.sievers@vrfy.org>
Signed-off-by: Jan Blunck <jblunck@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'block')
| -rw-r--r-- | block/genhd.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/block/genhd.c b/block/genhd.c index fe7ccc0a618f..f4c64c2b303a 100644 --- a/block/genhd.c +++ b/block/genhd.c @@ -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 |