diff options
| author | San Mehat <san@google.com> | 2009-10-10 09:35:24 -0700 |
|---|---|---|
| committer | Colin Cross <ccross@android.com> | 2010-09-29 17:49:26 -0700 |
| commit | 20287c3c894bbc6e9b85e4b10384111f3170b7c4 (patch) | |
| tree | 4c3bc9909635ae9bb90e7f62da13d94b5ec4b86c /fs | |
| parent | 56fbe31b1ef8cce8593b2e52d5fc2b85d7edcfd2 (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 79fbf3f390f0..019cdada4764 100644 --- a/fs/partitions/check.c +++ b/fs/partitions/check.c @@ -355,10 +355,20 @@ 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) |