[dm-devel] Re: [PATCH 26/28] blk_end_request: changing ide-cd (take 3)

[Sergei Shtylyov]

Bartlomiej Zolnierkiewicz wrote:

> [PATCH] ide-cd: remove dead post_transform_command()

> post_transform_command() call in cdrom_newpc_intr() has no effect because
> it is done after the request has already been fully completed (rq->bio and
> rq->data are always NULL).  It was verified to be true regardless whether
> INQUIRY command is using DMA or PIO to transfer data (by using modified
> Tejun Heo's test-shortsg.c utility and adding a few printk()-s to ide-cd).

> This was uncovered thanks to the "blk_end_request: full I/O completion
> handler (take 3)" patch series from Kiyoshi Ueda.

> Cc: jens.axboe at oracle.com
> Cc: bharrosh at panasas.com
> Cc: Kiyoshi Ueda <k-ueda at ct.jp.nec.com
> Cc: Jun'ichi Nomura <j-nomura at ce.jp.nec.com>
> Cc: Tejun Heo <htejun at gmail.com>
> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier at gmail.com>

Acked-by: Sergei Shtylyov <sshtylyov at ru.mvista.com>

MBR, Sergei