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List:       linux-virtualization
Subject:    [PATCH v2 08/12] zram: Generate uevent after attribute available
From:       Fam Zheng <famz () redhat ! com>
Date:       2016-06-30 1:59:49
Message-ID: 20160630015953.6888-9-famz () redhat ! com
[Download RAW message or body]

It is documented that KOBJ_ADD should be generated after the object's
attributes and children are ready.  We can achieve this with the new
disk_gen_uevents interface.

Signed-off-by: Fam Zheng <famz@redhat.com>
---
 drivers/block/zram/zram_drv.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/block/zram/zram_drv.c b/drivers/block/zram/zram_drv.c
index d735513..83f10a0 100644
--- a/drivers/block/zram/zram_drv.c
+++ b/drivers/block/zram/zram_drv.c
@@ -1287,7 +1287,7 @@ static int zram_add(void)
 		zram->disk->queue->limits.discard_zeroes_data = 0;
 	queue_flag_set_unlocked(QUEUE_FLAG_DISCARD, zram->disk->queue);
 
-	add_disk(zram->disk, true);
+	add_disk(zram->disk, false);
 
 	ret = sysfs_create_group(&disk_to_dev(zram->disk)->kobj,
 				&zram_disk_attr_group);
@@ -1296,6 +1296,7 @@ static int zram_add(void)
 				device_id);
 		goto out_free_disk;
 	}
+	disk_gen_uevents(zram->disk);
 	strlcpy(zram->compressor, default_compressor, sizeof(zram->compressor));
 	zram->meta = NULL;
 
-- 
2.9.0

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