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authorXinyu Chen <xinyu.chen@freescale.com>2012-02-02 16:58:05 +0800
committerXinyu Chen <xinyu.chen@freescale.com>2012-02-02 16:58:05 +0800
commit599a980adc5c2ba32f6aedcd87640b781d347d1f (patch)
tree9163c58e47cf900303b6db19d2e6bd4468a43ecb /block
parent203993cd89ec6395b6bfba948c2e424680dd622e (diff)
parenta65e28a0149261776678977962cfa0f90973e1d4 (diff)
Merge branch 'android-3.0' into imx_3.0.15_android
Conflicts: drivers/misc/Kconfig drivers/misc/Makefile drivers/net/wireless/Makefile kernel/power/main.c sound/soc/soc-core.c
Diffstat (limited to 'block')
-rw-r--r--block/genhd.c17
1 files changed, 17 insertions, 0 deletions
diff --git a/block/genhd.c b/block/genhd.c
index 8c0829a36376..b65f565c0277 100644
--- a/block/genhd.c
+++ b/block/genhd.c
@@ -1113,6 +1113,22 @@ static void disk_release(struct device *dev)
blk_put_queue(disk->queue);
kfree(disk);
}
+
+static int disk_uevent(struct device *dev, struct kobj_uevent_env *env)
+{
+ struct gendisk *disk = dev_to_disk(dev);
+ struct disk_part_iter piter;
+ struct hd_struct *part;
+ int cnt = 0;
+
+ disk_part_iter_init(&piter, disk, 0);
+ while((part = disk_part_iter_next(&piter)))
+ cnt++;
+ disk_part_iter_exit(&piter);
+ add_uevent_var(env, "NPARTS=%u", cnt);
+ return 0;
+}
+
struct class block_class = {
.name = "block",
};
@@ -1131,6 +1147,7 @@ static struct device_type disk_type = {
.groups = disk_attr_groups,
.release = disk_release,
.devnode = block_devnode,
+ .uevent = disk_uevent,
};
#ifdef CONFIG_PROC_FS