From: Christoph Hellwig <hch@lst.de>
To: Jeff Moyer <jmoyer@redhat.com>
Cc: Christoph Hellwig <hch@lst.de>,
viro@zeniv.linux.org.uk, axboe@fb.com, milosz@adfin.com,
linux-fsdevel@vger.kernel.org, linux-block@vger.kernel.org,
linux-api@vger.kernel.org
Subject: Re: selective block polling and preadv2/pwritev2 revisited V2
Date: Sat, 27 Feb 2016 09:57:44 +0100 [thread overview]
Message-ID: <20160227085744.GC4255@lst.de> (raw)
In-Reply-To: <x497fhrmaps.fsf@segfault.boston.devel.redhat.com>
On Fri, Feb 26, 2016 at 04:18:55PM -0500, Jeff Moyer wrote:
> Christoph Hellwig <hch@lst.de> writes:
>
> > This series allows to selectively enable/disable polling for completions
> > in the block layer on a per-I/O basis. For this it resurrects the
> > preadv2/pwritev2 syscalls that Milosz prepared a while ago (and which
> > are much simpler now due to VFS changes that happened in the meantime).
> > That approach also had a man page update prepared, which I will resubmit
> > with the current flags once this series makes it in.
>
> It would be helpful for reviewers if you submitted the man page at the
> same time, in my opinion.
Ok.
> Do you have any plans on adding polling support to the buffered path?
How would that even make sense?
next prev parent reply other threads:[~2016-02-27 8:57 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-02-22 17:07 selective block polling and preadv2/pwritev2 revisited V2 Christoph Hellwig
2016-02-22 17:07 ` [PATCH 1/7] vfs: pass a flags argument to vfs_readv/vfs_writev Christoph Hellwig
[not found] ` <1456160876-14560-2-git-send-email-hch-jcswGhMUV9g@public.gmane.org>
2016-02-26 21:52 ` Jeff Moyer
[not found] ` <1456160876-14560-1-git-send-email-hch-jcswGhMUV9g@public.gmane.org>
2016-02-22 17:07 ` [PATCH 2/7] vfs: vfs: Define new syscalls preadv2,pwritev2 Christoph Hellwig
[not found] ` <1456160876-14560-3-git-send-email-hch-jcswGhMUV9g@public.gmane.org>
2016-02-26 21:51 ` Jeff Moyer
2016-02-27 8:58 ` Christoph Hellwig
2016-02-22 17:07 ` [PATCH 3/7] x86: wire up preadv2 and pwritev2 Christoph Hellwig
2016-02-22 17:07 ` [PATCH 4/7] vfs: add the RWF_HIPRI flag for preadv2/pwritev2 Christoph Hellwig
[not found] ` <1456160876-14560-5-git-send-email-hch-jcswGhMUV9g@public.gmane.org>
2016-02-26 21:56 ` Jeff Moyer
2016-02-27 8:58 ` Christoph Hellwig
2016-02-22 17:07 ` [PATCH 6/7] blk-mq: enable polling support by default Christoph Hellwig
[not found] ` <1456160876-14560-7-git-send-email-hch-jcswGhMUV9g@public.gmane.org>
2016-02-26 20:44 ` Jeff Moyer
[not found] ` <x49fuwfmcb5.fsf-RRHT56Q3PSP4kTEheFKJxxDDeQx5vsVwAInAS/Ez/D0@public.gmane.org>
2016-02-27 8:56 ` Christoph Hellwig
2016-02-29 14:27 ` Jeff Moyer
2016-02-22 17:07 ` [PATCH 7/7] block, directio: set a REQ_POLL flag when submitting polled bios Christoph Hellwig
[not found] ` <1456160876-14560-8-git-send-email-hch-jcswGhMUV9g@public.gmane.org>
2016-02-26 21:10 ` Jeff Moyer
2016-02-27 8:57 ` Christoph Hellwig
2016-02-29 14:28 ` Jeff Moyer
2016-02-26 21:18 ` selective block polling and preadv2/pwritev2 revisited V2 Jeff Moyer
2016-02-27 8:57 ` Christoph Hellwig [this message]
[not found] ` <20160227085744.GC4255-jcswGhMUV9g@public.gmane.org>
2016-02-29 1:30 ` Damien Le Moal
2016-02-29 14:59 ` Jeff Moyer
2016-02-22 17:07 ` [PATCH 5/7] direct-io: only use block polling if explicitly requested Christoph Hellwig
[not found] ` <1456160876-14560-6-git-send-email-hch-jcswGhMUV9g@public.gmane.org>
2016-02-26 21:58 ` Jeff Moyer
2016-02-26 15:06 ` selective block polling and preadv2/pwritev2 revisited V2 Stephen Bates
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