Groups > linux.kernel > #1202166

Re: [PATCH v5 01/11] block: make generic_make_request handle arbitrarily sized bios

From	Kent Overstreet <kent.overstreet@gmail.com>
Newsgroups	linux.kernel
Subject	Re: [PATCH v5 01/11] block: make generic_make_request handle arbitrarily sized bios
Date	2015-08-07 02:10 +0200
Message-ID	<pUDou-7TB-1@gated-at.bofh.it> (permalink)
References	(3 earlier) <pSqc4-1ju-53@gated-at.bofh.it> <pSyVY-5uK-15@gated-at.bofh.it> <pSHZh-1KK-7@gated-at.bofh.it> <pTgWZ-2bC-3@gated-at.bofh.it> <pTIJA-OZ-3@gated-at.bofh.it>
Organization	linux.* mail to news gateway

Show all headers | View raw

On Tue, Aug 04, 2015 at 01:36:26PM +0200, Christoph Hellwig wrote:
> On Sun, Aug 02, 2015 at 10:58:22PM -0700, Ming Lin wrote:
> > I think the important thing is the late splitting for regular bio.
> > For discard/write_same bio, how about just don't do late splitting?
> 
> I'd hate having to special case them even more.  Especially as the
> discard splitting is nasty and we really don't want to send giant
> discards by default anyway (see Jens' patches to limit discard size
> by default).

Why is it that we don't want to send giant discards? Is it a latency issue?
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

Back to linux.kernel | Previous | Next — Next in thread | Find similar | Unroll thread

Thread

Re: [PATCH v5 01/11] block: make generic_make_request handle  arbitrarily sized bios Kent Overstreet <kent.overstreet@gmail.com> - 2015-08-07 02:10 +0200
  Re: [PATCH v5 01/11] block: make generic_make_request handle  arbitrarily sized bios Christoph Hellwig <hch@lst.de> - 2015-08-07 09:40 +0200

csiph-web