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From: Jeff Moyer <jmoyer@redhat.com>
To: adam.manzanares@wdc.com
Cc: viro@zeniv.linux.org.uk, linux-fsdevel@vger.kernel.org,
	axboe@kernel.dk, bcrl@kvack.org, tglx@linutronix.de,
	mingo@kernel.org, pombredanne@nexb.com,
	kstewart@linuxfoundation.org, gregkh@linuxfoundation.org,
	bigeasy@linutronix.de, jack@suse.cz, darrick.wong@oracle.com,
	rgoldwyn@suse.com, linux-block@vger.kernel.org,
	linux-kernel@vger.kernel.org, linux-aio@kvack.org,
	linux-api@vger.kernel.org, hch@infradead.org
Subject: Re: [PATCH v5 0/5] AIO add per-command iopriority
Date: Mon, 21 May 2018 16:57:37 -0400	[thread overview]
Message-ID: <x49fu2kvi9q.fsf@segfault.boston.devel.redhat.com> (raw)
In-Reply-To: <20180521160147.2372-1-adam.manzanares@wdc.com> (adam manzanares's message of "Mon, 21 May 2018 09:01:42 -0700")

Hi, Adam,

adam.manzanares@wdc.com writes:

> From: Adam Manzanares <adam.manzanares@wdc.com>
>
> This is the per-I/O equivalent of the ioprio_set system call.
> See the following link for performance implications on a SATA HDD:
> https://lkml.org/lkml/2016/12/6/495
>
> First patch factors ioprio_check_cap function out of ioprio_set system call to
> also be used by the aio ioprio interface.
>
> Second patch converts kiocb ki_hint field to a u16 to avoid kiocb bloat.
>
> Third patch passes ioprio hint from aio iocb to kiocb and inititalizes kiocb
> ioprio value appropriately when it is not explicitly set.
>
> Fourth patch enables the feature for blkdev.
>
> Fifth patch enables the feature for iomap direct IO
>
> Note: this work is based on top of linux-vfs/for-next

I'll cook up a libaio test case.  Can you put together a man-pages
update for this?

Thanks!
Jeff

  parent reply	other threads:[~2018-05-21 20:57 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-05-21 16:01 [PATCH v5 0/5] AIO add per-command iopriority adam.manzanares
2018-05-21 16:01 ` [PATCH v5 1/5] block: add ioprio_check_cap function adam.manzanares
2018-05-21 20:58   ` Jeff Moyer
2018-05-21 16:01 ` [PATCH v5 2/5] fs: Convert kiocb rw_hint from enum to u16 adam.manzanares
2018-05-22 10:04   ` Christoph Hellwig
2018-05-21 16:01 ` [PATCH v5 3/5] fs: Add aio iopriority support adam.manzanares
2018-05-21 20:58   ` Jeff Moyer
2018-05-22 10:05   ` Christoph Hellwig
2018-05-22 17:43   ` kbuild test robot
2018-05-21 16:01 ` [PATCH v5 4/5] fs: blkdev set bio prio from kiocb prio adam.manzanares
2018-05-21 20:59   ` Jeff Moyer
2018-05-21 21:04   ` Jeff Moyer
2018-05-21 21:43     ` Adam Manzanares
2018-05-21 16:01 ` [PATCH v5 5/5] fs: iomap dio " adam.manzanares
2018-05-21 20:59   ` Jeff Moyer
2018-05-22 10:05   ` Christoph Hellwig
2018-05-21 20:57 ` Jeff Moyer [this message]
2018-05-21 21:42   ` [PATCH v5 0/5] AIO add per-command iopriority Adam Manzanares

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