From: Lars Ellenberg Date: Thu, 1 Apr 2010 13:13:19 +0000 (+0200) Subject: drbd: fix regression: attach while connected failed X-Git-Tag: firefly_0821_release~9833^2~2056^2~51 X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=e0f83012dc510b0be92ee2d59227a573a36777b8;p=firefly-linux-kernel-4.4.55.git drbd: fix regression: attach while connected failed commit e4f925e12ea5daaa9baf2dd5af9c4951721dae95 Author: Philipp Reisner Date: Wed Mar 17 14:18:41 2010 +0100 drbd: Do not upgrade state to Outdated if already Inconsistent prevented the necessary state transition for attaching while connected (Diskless -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 Consistent respectively Outdated).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 Signed-off-by: Lars Ellenberg --- diff --git a/drivers/block/drbd/drbd_main.c b/drivers/block/drbd/drbd_main.c index 8f84a9f58c99..b1ce5dc7c603 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;