From 55494bf2947dccdf2d98b62374fea7365dfead84 Mon Sep 17 00:00:00 2001
From: Mikulas Patocka <mpatocka@redhat.com>
Date: Mon, 13 Jan 2014 19:12:36 -0500
Subject: dm snapshot: use dm-bufio

Use dm-bufio for initial loading of the exceptions.
Introduce a new function dm_bufio_forget that frees the given buffer.

Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
---
 drivers/md/Kconfig | 1 +
 1 file changed, 1 insertion(+)

(limited to 'drivers/md/Kconfig')

diff --git a/drivers/md/Kconfig b/drivers/md/Kconfig
index 7441344bd214..39b540a13369 100644
--- a/drivers/md/Kconfig
+++ b/drivers/md/Kconfig
@@ -238,6 +238,7 @@ config DM_CRYPT
 config DM_SNAPSHOT
        tristate "Snapshot target"
        depends on BLK_DEV_DM
+       select DM_BUFIO
        ---help---
          Allow volume managers to take writable snapshots of a device.
 
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