diff options
| author | San Mehat <san@google.com> | 2009-10-10 09:35:24 -0700 |
|---|---|---|
| committer | Dan Willemsen <dwillemsen@nvidia.com> | 2011-11-30 21:38:14 -0800 |
| commit | cccdf161d25abf929efa998b42b5436ad32f3420 (patch) | |
| tree | 47aee6c783e98940ac7e65660c097ab2e2b866d7 /fs | |
| parent | cb998242b787ce18ff0f7976ae428d114bd4ce7a (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 e3c63d1c5e13..3c54bbcea5b9 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) |