drbd: Moved susp, susp_nod and susp_fen to the connection object

Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>

2 files changed, 12 insertions, 1 deletions

diff --git a/drivers/block/drbd/drbd_int.h b/drivers/block/drbd/drbd_int.h
index cde547bdddf1..f76b3932d1e2 100644
--- a/drivers/block/drbd/drbd_int.h
+++ b/drivers/block/drbd/drbd_int.h
@@ -862,6 +862,9 @@ struct drbd_tconn {			/* is a resource from the config file */
         struct list_head all_tconn;     /* linked on global drbd_tconns */
         struct idr volumes;             /* <tconn, vnr> to mdev mapping */
         enum drbd_conns cstate;         /* Only C_STANDALONE to C_WF_REPORT_PARAMS */
+        unsigned susp:1;                /* IO suspended by user */
+        unsigned susp_nod:1;            /* IO suspended because no data */
+        unsigned susp_fen:1;            /* IO suspended because fence peer handler runs */
         struct mutex cstate_mutex;      /* Protects graceful disconnects */
 
         unsigned long flags;
@@ -1687,6 +1690,9 @@ static inline union drbd_state drbd_read_state(struct drbd_conf *mdev)
         union drbd_state rv;
 
         rv = mdev->state;
+        rv.susp = mdev->tconn->susp;
+        rv.susp_nod = mdev->tconn->susp_nod;
+        rv.susp_fen = mdev->tconn->susp_fen;
 
         return rv;
 }
@@ -2219,7 +2225,9 @@ static inline int drbd_state_is_stable(struct drbd_conf *mdev)
 
 static inline int drbd_suspended(struct drbd_conf *mdev)
 {
-        return mdev->state.susp || mdev->state.susp_nod || mdev->state.susp_fen;
+        struct drbd_tconn *tconn = mdev->tconn;
+
+        return tconn->susp || tconn->susp_fen || tconn->susp_nod;
 }
 
 static inline bool may_inc_ap_bio(struct drbd_conf *mdev)
diff --git a/drivers/block/drbd/drbd_state.c b/drivers/block/drbd/drbd_state.c
index ae4a76ce8c1d..902007c807ea 100644
--- a/drivers/block/drbd/drbd_state.c
+++ b/drivers/block/drbd/drbd_state.c
@@ -861,6 +861,9 @@ __drbd_set_state(struct drbd_conf *mdev, union drbd_state ns,
                 atomic_inc(&mdev->local_cnt);
 
         mdev->state = ns;
+        mdev->tconn->susp = ns.susp;
+        mdev->tconn->susp_nod = ns.susp_nod;
+        mdev->tconn->susp_fen = ns.susp_fen;
 
         /* solve the race between becoming unconfigured,
          * worker doing the cleanup, and