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Commit 97f604b0 authored by Stefan Weinhuber's avatar Stefan Weinhuber Committed by Martin Schwidefsky
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[S390] dasd: fail requests when device state is less then ready 



A DASD device that is not ready or online has no defined disk layout,
so all requests that arrive in such a state need to be returned as
failed.

Signed-off-by: default avatarStefan Weinhuber <wein@de.ibm.com>
Signed-off-by: default avatarMartin Schwidefsky <schwidefsky@de.ibm.com>
parent 3ac276f8

drivers/s390/block/dasd.c

+4 −1
Original line number Diff line number Diff line
@@ -1699,8 +1699,11 @@ static void __dasd_process_request_queue(struct dasd_block *block) 
	 * for that. State DASD_STATE_ONLINE is normal block device

	 * operation.

	 */

	if (basedev->state < DASD_STATE_READY)

	if (basedev->state < DASD_STATE_READY) {

		while ((req = blk_fetch_request(block->request_queue)))

			__blk_end_request_all(req, -EIO);

		return;

	}

	/* Now we try to fetch requests from the request queue */

	while (!blk_queue_plugged(queue) && (req = blk_peek_request(queue))) {

		if (basedev->features & DASD_FEATURE_READONLY &&