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authorLars Ellenberg <lars.ellenberg@linbit.com>2010-04-01 15:13:19 +0200
committerPhilipp Reisner <philipp.reisner@linbit.com>2010-05-18 01:06:07 +0200
commite0f83012dc510b0be92ee2d59227a573a36777b8 (patch)
tree891cfe0ba0503f51db260ed189f3f760b85b274d /drivers/block
parente4f925e12ea5daaa9baf2dd5af9c4951721dae95 (diff)
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drbd: fix regression: attach while connected failed
commit e4f925e12ea5daaa9baf2dd5af9c4951721dae95 Author: Philipp Reisner <philipp.reisner@linbit.com> Date: Wed Mar 17 14:18:41 2010 +0100 drbd: Do not upgrade state to Outdated if already Inconsistent prevented the necessary state transition for attaching while connected (Diskless -> Consistent respectively Outdated). This is the fix for the fix. Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
Diffstat (limited to 'drivers/block')
-rw-r--r--drivers/block/drbd/drbd_main.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/block/drbd/drbd_main.c b/drivers/block/drbd/drbd_main.c
index 8f84a9f..b1ce5dc 100644
--- a/drivers/block/drbd/drbd_main.c
+++ b/drivers/block/drbd/drbd_main.c
@@ -840,7 +840,12 @@ static union drbd_state sanitize_state(struct drbd_conf *mdev, union drbd_state
break;
case C_WF_BITMAP_S:
case C_PAUSED_SYNC_S:
- ns.pdsk = os.pdsk > D_OUTDATED ? D_OUTDATED : os.pdsk;
+ /* remap any consistent state to D_OUTDATED,
+ * but disallow "upgrade" of not even consistent states.
+ */
+ ns.pdsk =
+ (D_DISKLESS < os.pdsk && os.pdsk < D_OUTDATED)
+ ? os.pdsk : D_OUTDATED;
break;
case C_SYNC_SOURCE:
ns.pdsk = D_INCONSISTENT;