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s390/dasd: use blk_mq_alloc_disk

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As far as I can tell there is no need for the staged setup in
dasd, so allocate the tagset and the disk with the queue in
dasd_gendisk_alloc.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Stefan Haberland <sth@linux.ibm.com>
Signed-off-by: Stefan Haberland <sth@linux.ibm.com>
Link: https://lore.kernel.org/r/20220928143945.1687114-2-sth@linux.ibm.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Christoph Hellwig
2022-09-28 16:39:45 +02:00
committed by Jens Axboe
parent 5765033cf7
commit c68f4f4e29
7 changed files with 39 additions and 88 deletions
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7
drivers/s390/block/dasd_devmap.c
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@@ -1578,7 +1578,6 @@ dasd_timeout_store(struct device *dev, struct device_attribute *attr,
const char *buf, size_t count)
{
struct dasd_device *device;
struct request_queue *q;
unsigned long val;
device = dasd_device_from_cdev(to_ccwdev(dev));
@@ -1590,15 +1589,13 @@ dasd_timeout_store(struct device *dev, struct device_attribute *attr,
dasd_put_device(device);
return -EINVAL;
}
q = device->block->request_queue;
if (!q) {
if (!device->block->gdp) {
dasd_put_device(device);
return -ENODEV;
}
device->blk_timeout = val;
blk_queue_rq_timeout(q, device->blk_timeout * HZ);
blk_queue_rq_timeout(device->block->gdp->queue, val * HZ);
dasd_put_device(device);
return count;