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block: convert to dequeueing model (easy ones)

Browse source 
plat-omap/mailbox, floppy, viocd, mspro_block, i2o_block and
mmc/card/queue are already pretty close to dequeueing model and can be
converted with simple changes.  Convert them.

While at it,

* xen-blkfront: !fs check moved downwards to share dequeue call with
  normal path.

* mspro_block: __blk_end_request(..., blk_rq_cur_byte()) converted to
  __blk_end_request_cur()

* mmc/card/queue: loop of __blk_end_request() converted to
  __blk_end_request_all()

[ Impact: dequeue in-flight request ]

Signed-off-by: Tejun Heo <[email protected]>
Cc: Rusty Russell <[email protected]>
Cc: Jeremy Fitzhardinge <[email protected]>
Cc: Stephen Rothwell <[email protected]>
Cc: Alex Dubov <[email protected]>
Cc: Markus Lidel <[email protected]>
Cc: Pierre Ossman <[email protected]>
Signed-off-by: Jens Axboe <[email protected]>
This commit is contained in:
Tejun Heo 2009-05-08 11:54:15 +09:00 • committed by Jens Axboe
commit 296b2f6ae6
7 changed files with 36 additions and 18 deletions
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2
drivers/cdrom/viocd.c
View file

@ -298,6 +298,8 @@ static void do_viocd_request(struct request_queue *q)
struct request *req;
while ((rwreq == 0) && ((req = elv_next_request(q)) != NULL)) {
blkdev_dequeue_request(req);
if (!blk_fs_request(req))
__blk_end_request_all(req, -EIO);
else if (send_request(req) < 0) {