diff options
author | San Mehat <san@google.com> | 2009-10-10 09:35:24 -0700 |
---|---|---|
committer | San Mehat <san@google.com> | 2009-10-27 12:56:53 -0700 |
commit | ffad69cdad61d55e13a8020f7c81a98de709405a (patch) | |
tree | 0e6d3a3908b9216729e2c05e71b49c05c9d99b23 /fs | |
parent | aaa168aae5227be69711df4ada10703a0032cd41 (diff) |
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 <san@google.com>
Diffstat (limited to 'fs')
-rw-r--r-- | fs/partitions/check.c | 10 |
1 files changed, 10 insertions, 0 deletions
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) |