From ffad69cdad61d55e13a8020f7c81a98de709405a Mon Sep 17 00:00:00 2001 From: San Mehat Date: Sat, 10 Oct 2009 09:35:24 -0700 Subject: block: genhd: Add disk/partition specific uevent callbacks for partition info For disk devices, a new uevent parameter 'NPARTS' specifies the number of partitions detected by the kernel. Partition devices get 'PARTN' which specifies the partitions index in the table. Signed-off-by: San Mehat --- fs/partitions/check.c | 10 ++++++++++ 1 file changed, 10 insertions(+) (limited to 'fs') diff --git a/fs/partitions/check.c b/fs/partitions/check.c index 6d720243f5f4..745240822f84 100644 --- a/fs/partitions/check.c +++ b/fs/partitions/check.c @@ -304,10 +304,20 @@ static void part_release(struct device *dev) kfree(p); } +static int part_uevent(struct device *dev, struct kobj_uvent_env *env) +{ + struct gendisk *disk = dev_to_disk(dev); + struct hd_struct *part = dev_to_part(dev); + + add_uevent_var(env, "PARTN=%u", part->partno); + return 0; +} + struct device_type part_type = { .name = "partition", .groups = part_attr_groups, .release = part_release, + .uevent = part_uevent, }; static void delete_partition_rcu_cb(struct rcu_head *head) -- cgit v1.2.3