linux-block.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: Christoph Hellwig <hch@lst.de>
To: Benjamin Block <bblock@linux.ibm.com>
Cc: Christoph Hellwig <hch@lst.de>,
	Matthew Wilcox <willy@infradead.org>,
	Jens Axboe <axboe@kernel.dk>, Khalid Aziz <khalid@gonehiking.org>,
	"Martin K. Petersen" <martin.petersen@oracle.com>,
	Hannes Reinecke <hare@suse.com>,
	Ondrej Zary <linux@rainbow-software.org>,
	linux-block@vger.kernel.org, linux-scsi@vger.kernel.org
Subject: Re: [PATCH 7/8] block: refactor the bounce buffering code
Date: Wed, 24 Mar 2021 19:13:07 +0100	[thread overview]
Message-ID: <20210324181307.GA15902@lst.de> (raw)
In-Reply-To: <YFt/7BdzecUmdySU@t480-pf1aa2c2.linux.ibm.com>

On Wed, Mar 24, 2021 at 07:07:40PM +0100, Benjamin Block wrote:
> But map_request() -> multipath_clone_and_map() -> dm_dispatch_clone_request() 
> doesn't call blk_mq_submit_bio() for requests that have been queued in a
> request based mpath device. The requests gets cloned and then dispatched
> on the lower queue. Or am I missing something?

Indeed.  I keep forgetting about the fact that dm-mpath bypassed
the normal submit_bio_noacct path.

  reply	other threads:[~2021-03-24 18:13 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-03-18  6:39 start removing block bounce buffering support Christoph Hellwig
2021-03-18  6:39 ` [PATCH 1/8] aha1542: use a local bounce buffer Christoph Hellwig
2021-03-18  6:39 ` [PATCH 2/8] Buslogic: remove ISA support Christoph Hellwig
2021-03-18  6:39 ` [PATCH 3/8] BusLogic: reject broken old firmware that requires ISA-style bounce buffering Christoph Hellwig
2021-03-18  6:39 ` [PATCH 4/8] advansys: remove ISA support Christoph Hellwig
2021-03-18 11:20   ` Matthew Wilcox
2021-03-18 12:54     ` Christoph Hellwig
2021-03-18 14:34       ` Matthew Wilcox
2021-03-18  6:39 ` [PATCH 5/8] scsi: remove the unchecked_isa_dma flag Christoph Hellwig
2021-03-18  6:39 ` [PATCH 6/8] block: remove BLK_BOUNCE_ISA support Christoph Hellwig
2021-03-18  6:39 ` [PATCH 7/8] block: refactor the bounce buffering code Christoph Hellwig
2021-03-18 11:29   ` Matthew Wilcox
2021-03-18 12:53     ` Christoph Hellwig
2021-03-24 17:40       ` Benjamin Block
2021-03-24 17:44         ` Christoph Hellwig
2021-03-24 18:07           ` Benjamin Block
2021-03-24 18:13             ` Christoph Hellwig [this message]
2021-03-18  6:39 ` [PATCH 8/8] block: stop calling blk_queue_bounce for passthrough requests Christoph Hellwig
2021-03-26  5:58 start removing block bounce buffering support v2 Christoph Hellwig
2021-03-26  5:58 ` [PATCH 7/8] block: refactor the bounce buffering code Christoph Hellwig
2021-03-29  6:34   ` Hannes Reinecke
2021-03-31  7:29 start removing block bounce buffering support v3 Christoph Hellwig
2021-03-31  7:30 ` [PATCH 7/8] block: refactor the bounce buffering code Christoph Hellwig

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20210324181307.GA15902@lst.de \
    --to=hch@lst.de \
    --cc=axboe@kernel.dk \
    --cc=bblock@linux.ibm.com \
    --cc=hare@suse.com \
    --cc=khalid@gonehiking.org \
    --cc=linux-block@vger.kernel.org \
    --cc=linux-scsi@vger.kernel.org \
    --cc=linux@rainbow-software.org \
    --cc=martin.petersen@oracle.com \
    --cc=willy@infradead.org \
    --subject='Re: [PATCH 7/8] block: refactor the bounce buffering code' \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link

This is a public inbox, see mirroring instructions
on how to clone and mirror all data and code used for this inbox