Patch Upstream: dm snapshot: add missing module aliases

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commit: 23cb21092eb9dcec9d3604b68d95192b79915890
From: Mikulas Patocka <mpatocka@xxxxxxxxxx>
Date: Fri, 1 Mar 2013 22:45:47 +0000
Subject: dm snapshot: add missing module aliases

Add module aliases so that autoloading works correctly if the user
tries to activate "snapshot-origin" or "snapshot-merge" targets.

Reference: https://bugzilla.redhat.com/889973

Reported-by: Chao Yang <chyang@xxxxxxxxxx>
Signed-off-by: Mikulas Patocka <mpatocka@xxxxxxxxxx>
Cc: stable@xxxxxxxxxxxxxxx
Signed-off-by: Alasdair G Kergon <agk@xxxxxxxxxx>
---
 drivers/md/dm-snap.c |    2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/md/dm-snap.c b/drivers/md/dm-snap.c
index 5d78027..58c2b58 100644
--- a/drivers/md/dm-snap.c
+++ b/drivers/md/dm-snap.c
@@ -2302,3 +2302,5 @@ module_exit(dm_snapshot_exit);
 MODULE_DESCRIPTION(DM_NAME " snapshot target");
 MODULE_AUTHOR("Joe Thornber");
 MODULE_LICENSE("GPL");
+MODULE_ALIAS("dm-snapshot-origin");
+MODULE_ALIAS("dm-snapshot-merge");
-- 
1.7.10.4
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