diff options
| author | San Mehat <san@google.com> | 2011-10-09 02:20:16 +0100 |
|---|---|---|
| committer | Andy Green <andy.green@linaro.org> | 2011-10-09 02:20:16 +0100 |
| commit | a002bced87b8ccabd703721c6083dfb667746fda (patch) | |
| tree | 9d3ffb3aaf91403743c4e869e9cd4e7295a4747e /fs | |
| parent | 887a2e16a1d7a17b6825154e6fcf6af41a76870c (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 e3c63d1c5e1..3c54bbcea5b 100644 --- a/fs/partitions/check.c +++ b/fs/partitions/check.c @@ -366,10 +366,20 @@ 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) |