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gdrom: change to use __blk_end_request() 

This patch converts gdrom to use __blk_end_request() directly
so that end_{queued|dequeued}_request() can be removed.

gd.transfer is '1' in error cases and '0' in non-error cases,
so gdrom hasn't been propagating any error code to the block layer.
We can just convert error cases to '-EIO'.

Signed-off-by: Kiyoshi Ueda <k-ueda@ct.jp.nec.com>
Signed-off-by: Jun'ichi Nomura <j-nomura@ce.jp.nec.com>
Cc: Adrian McMenamin <adrian@mcmen.demon.co.uk>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
This commit is contained in:
Kiyoshi Ueda 2008-10-01 10:13:02 -04:00 committed by Jens Axboe
parent 2a9df5055a
commit 7afb3a6e75
1 changed files with 2 additions and 2 deletions
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4
drivers/cdrom/gdrom.c
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@ -624,14 +624,14 @@ static void gdrom_readdisk_dma(struct work_struct *work)
ctrl_outb(1, GDROM_DMA_STATUS_REG);
wait_event_interruptible_timeout(request_queue,
gd.transfer == 0, GDROM_DEFAULT_TIMEOUT);
err = gd.transfer;
err = gd.transfer ? -EIO : 0;
gd.transfer = 0;
gd.pending = 0;
/* now seek to take the request spinlock
* before handling ending the request */
spin_lock(&gdrom_lock);
list_del_init(&req->queuelist);
end_dequeued_request(req, 1 - err);
__blk_end_request(req, err, blk_rq_bytes(req));
}
spin_unlock(&gdrom_lock);
kfree(read_command);