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[S390] dasd: fail requests when device state is less then ready

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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: Stefan Weinhuber <wein@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
This commit is contained in:
Stefan Weinhuber 2009-09-11 10:28:28 +02:00 committed by Martin Schwidefsky
parent 3ac276f8cb
commit 97f604b074
1 changed files with 4 additions and 1 deletions
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5
drivers/s390/block/dasd.c
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@ -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 &&