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authorSan Mehat <san@google.com>2010-10-21 14:07:13 +0800
committerLily Zhang <r58066@freescale.com>2010-11-22 09:38:30 +0800
commit7bacd63f2f0a5d2aeed021f4508da27d699ac065 (patch)
tree8c40ca21a5af8ad0387659ca6f7160aca305a9d9 /fs
parent61f9b474e76b9840e0ab6f1000b7fa1c09461827 (diff)
Android 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.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/fs/partitions/check.c b/fs/partitions/check.c
index 5dcd4b0c5533..e37a2930189a 100644
--- a/fs/partitions/check.c
+++ b/fs/partitions/check.c
@@ -341,10 +341,18 @@ static void part_release(struct device *dev)
kfree(p);
}
+static int part_uevent(struct device *dev, struct kobj_uevent_env *env)
+{
+ 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)