Re: [PATCH 24/28] blk_end_request: changing ide normal caller (take 3)

From: Bartlomiej Zolnierkiewicz
Date: Sat Dec 01 2007 - 17:46:05 EST


On Saturday 01 December 2007, Kiyoshi Ueda wrote:
> This patch converts "normal" parts of ide to use blk_end_request().
>
> Signed-off-by: Kiyoshi Ueda <k-ueda@xxxxxxxxxxxxx>
> Signed-off-by: Jun'ichi Nomura <j-nomura@xxxxxxxxxxxxx>
> ---
> drivers/ide/ide-cd.c | 6 +++---
> drivers/ide/ide-io.c | 17 ++++++-----------
> 2 files changed, 9 insertions(+), 14 deletions(-)

[...]

> Index: 2.6.24-rc3-mm2/drivers/ide/ide-io.c
> ===================================================================
> --- 2.6.24-rc3-mm2.orig/drivers/ide/ide-io.c
> +++ 2.6.24-rc3-mm2/drivers/ide/ide-io.c
> @@ -78,14 +78,9 @@ static int __ide_end_request(ide_drive_t
> ide_dma_on(drive);
> }
>
> - if (!end_that_request_chunk(rq, uptodate, nr_bytes)) {
> - add_disk_randomness(rq->rq_disk);
> - if (dequeue) {
> - if (!list_empty(&rq->queuelist))
> - blkdev_dequeue_request(rq);
> + if (!__blk_end_request(rq, uptodate, nr_bytes)) {
> + if (dequeue)
> HWGROUP(drive)->rq = NULL;
> - }
> - end_that_request_last(rq, uptodate);
> ret = 0;
> }

Hmmm, this seems to change the old behavior (the request should
be dequeued from the queue only if 'dequeue' variable is set)
and AFAIR some error handling code (in ide-cd?) depends on the
old behavior so please revisit this patch.

Thanks,
Bart
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