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From: "Martin K. Petersen" <martin.petersen@oracle.com>
To: Dave Chinner <david@fromorbit.com>
Cc: Christoph Hellwig <hch@lst.de>, Pierre Labat <plabat@micron.com>,
	Keith Busch <kbusch@kernel.org>,
	Kanchan Joshi <joshi.k@samsung.com>,
	Keith Busch <kbusch@meta.com>,
	"linux-block@vger.kernel.org" <linux-block@vger.kernel.org>,
	"linux-nvme@lists.infradead.org" <linux-nvme@lists.infradead.org>,
	"linux-scsi@vger.kernel.org" <linux-scsi@vger.kernel.org>,
	"linux-fsdevel@vger.kernel.org" <linux-fsdevel@vger.kernel.org>,
	"io-uring@vger.kernel.org" <io-uring@vger.kernel.org>,
	"axboe@kernel.dk" <axboe@kernel.dk>,
	"martin.petersen@oracle.com" <martin.petersen@oracle.com>,
	"asml.silence@gmail.com" <asml.silence@gmail.com>,
	"javier.gonz@samsung.com" <javier.gonz@samsung.com>
Subject: Re: [EXT] Re: [PATCHv11 0/9] write hints with nvme fdp and scsi streams
Date: Wed, 13 Nov 2024 22:09:55 -0500	[thread overview]
Message-ID: <yq1seruttd1.fsf@ca-mkp.ca.oracle.com> (raw)
In-Reply-To: <ZzU7bZokkTN2s8qr@dread.disaster.area> (Dave Chinner's message of "Thu, 14 Nov 2024 10:51:09 +1100")


Dave,

> The OS hints/streams API needs to be aligned to the capabilities that
> filesystems already provide *as a primary design goal*. What the new
> hardware might support is a secondary concern. i.e. hardware driven
> software design is almost always a mistake: define the user API and
> abstractions first, then the OS can reduce it sanely down to what the
> specific hardware present is capable of supporting.

I agree completely.

-- 
Martin K. Petersen	Oracle Linux Engineering

  reply	other threads:[~2024-11-14  3:10 UTC|newest]

Thread overview: 30+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-11-08 19:36 [PATCHv11 0/9] write hints with nvme fdp and scsi streams Keith Busch
2024-11-08 19:36 ` [PATCHv11 1/9] block: use generic u16 for write hints Keith Busch
2024-11-08 19:36 ` [PATCHv11 2/9] block: introduce max_write_hints queue limit Keith Busch
2024-11-08 19:36 ` [PATCHv11 3/9] statx: add write hint information Keith Busch
2024-11-08 19:36 ` [PATCHv11 4/9] block: allow ability to limit partition write hints Keith Busch
2024-11-08 19:36 ` [PATCHv11 5/9] block, fs: add write hint to kiocb Keith Busch
2024-11-08 19:36 ` [PATCHv11 6/9] io_uring: enable per-io hinting capability Keith Busch
2024-11-08 19:36 ` [PATCHv11 7/9] block: export placement hint feature Keith Busch
2024-11-08 19:36 ` [PATCHv11 8/9] nvme: enable FDP support Keith Busch
2024-11-08 19:36 ` [PATCHv11 9/9] scsi: set permanent stream count in block limits Keith Busch
2024-11-11 10:29 ` [PATCHv11 0/9] write hints with nvme fdp and scsi streams Christoph Hellwig
2024-11-11 16:27   ` Keith Busch
2024-11-11 16:34     ` Christoph Hellwig
2024-11-12 13:26   ` Kanchan Joshi
2024-11-12 13:34     ` Christoph Hellwig
2024-11-12 14:25       ` Keith Busch
2024-11-12 16:50         ` Christoph Hellwig
2024-11-12 17:19           ` Christoph Hellwig
2024-11-12 18:18         ` [EXT] " Pierre Labat
2024-11-13  4:47           ` Christoph Hellwig
2024-11-13 23:51             ` Dave Chinner
2024-11-14  3:09               ` Martin K. Petersen [this message]
2024-11-14  6:07               ` Christoph Hellwig
2024-11-15 16:28                 ` Keith Busch
2024-11-15 16:53                   ` Christoph Hellwig
2024-11-18 23:37                     ` Keith Busch
2024-11-19  7:15                       ` Christoph Hellwig
2024-11-20 17:21                         ` Darrick J. Wong
2024-11-20 18:11                           ` Keith Busch
2024-11-21  7:17                             ` Christoph Hellwig

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