File 0001-drbd-Fix-the-wrong-logic-of-moving-history... of Package drbd

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File 0001-drbd-Fix-the-wrong-logic-of-moving-history.patch of Package drbd (Revision 532540da68739e153329ad1f3dcfb176)

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From 4d75389962585d5a543cadb2742cb4dfe22dc807 Mon Sep 17 00:00:00 2001
From: Nick Wang <nwang@suse.com>
Date: Fri, 10 Jul 2015 17:20:04 +0800
Subject: [Patch v2 01/10] drbd: Fix the wrong logic of moving history

Logic of moving history is wrong. May overlap
history when more than two history.
If won't extent more that two history. The loop
can be delete.

Signed-off-by: Nick Wang <nwang@suse.com>
CC: Philipp Reisner <philipp.reisner@linbit.com>
CC: Lars Ellenberg <lars.ellenberg@linbit.com>
CC: drbd-dev@lists.linbit.com
CC: linux-kernel@vger.kernel.org
---
 drbd/drbd_main.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drbd/drbd_main.c b/drbd/drbd_main.c
index 9871894..a3dc39e 100644
--- a/drbd/drbd_main.c
+++ b/drbd/drbd_main.c
@@ -3466,8 +3466,8 @@ void drbd_uuid_move_history(struct drbd_device *device) __must_hold(local)
 {
 	int i;
 
-	for (i = UI_HISTORY_START; i < UI_HISTORY_END; i++)
-		device->ldev->md.uuid[i+1] = device->ldev->md.uuid[i];
+	for (i = UI_HISTORY_END; i > UI_HISTORY_START; i--)
+		device->ldev->md.uuid[i] = device->ldev->md.uuid[i-1];
 }
 
 void __drbd_uuid_set(struct drbd_device *device, int idx, u64 val) __must_hold(local)
-- 
1.8.4.5

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File 0001-drbd-Fix-the-wrong-logic-of-moving-history.patch of Package drbd (Revision 532540da68739e153329ad1f3dcfb176)

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