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drbd: If disk timeout expires fail only the affected volume
...and not all volumes of the resource Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
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@ -1153,6 +1153,7 @@ void request_timer_fn(unsigned long data)
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struct drbd_conf *mdev = (struct drbd_conf *) data;
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struct drbd_tconn *tconn = mdev->tconn;
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struct drbd_request *req; /* oldest request */
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struct block_device *bdev;
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struct list_head *le;
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struct net_conf *nc;
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unsigned long ent = 0, dt = 0, et, nt; /* effective timeout = ko_count * timeout */
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@ -1163,6 +1164,7 @@ void request_timer_fn(unsigned long data)
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if (get_ldev(mdev)) {
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dt = rcu_dereference(mdev->ldev->disk_conf)->disk_timeout * HZ / 10;
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bdev = mdev->ldev->backing_bdev;
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put_ldev(mdev);
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}
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rcu_read_unlock();
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@ -1188,7 +1190,7 @@ void request_timer_fn(unsigned long data)
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_drbd_set_state(_NS(mdev, conn, C_TIMEOUT), CS_VERBOSE | CS_HARD, NULL);
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}
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}
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if (dt && req->rq_state & RQ_LOCAL_PENDING) {
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if (dt && req->rq_state & RQ_LOCAL_PENDING && req->private_bio->bi_bdev == bdev) {
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if (time_is_before_eq_jiffies(req->start_time + dt)) {
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dev_warn(DEV, "Local backing device failed to meet the disk-timeout\n");
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__drbd_chk_io_error(mdev, 1);
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