From: Jens Axboe <axboe@kernel.dk>
To: Matthew Wilcox <willy@infradead.org>
Cc: "Christoph Lameter (Ampere)" <cl@gentwo.org>,
Christoph Hellwig <hch@infradead.org>,
"Darrick J. Wong" <djwong@kernel.org>,
linux-mm@kvack.org, linux-fsdevel@vger.kernel.org,
hannes@cmpxchg.org, clm@meta.com, linux-kernel@vger.kernel.org,
kirill@shutemov.name, bfoster@redhat.com
Subject: Re: [PATCHSET v6 0/12] Uncached buffered IO
Date: Thu, 12 Dec 2024 12:36:48 -0700 [thread overview]
Message-ID: <64b0c304-221d-4d8e-9bc7-dfeaa49872f7@kernel.dk> (raw)
In-Reply-To: <Z1s7AGxZKhK1V4qv@casper.infradead.org>
On 12/12/24 12:35 PM, Matthew Wilcox wrote:
> On Thu, Dec 12, 2024 at 12:14:23PM -0700, Jens Axboe wrote:
>> Like I mentioned earlier, the fact that it's cached for the duration of
>> the operation is more of an implementation detail that developers need
>> not worry about. What's important is that it's not cached AFTER. I still
>> feel UNCACHED is the best description, but I'll change it to DONTCACHE
>> for the next version just to avoid the overlap with other in-kernel
>> uses.
>
> Regardless of the user API name, I like PG_streaming for the folio
> flag name.
Sure, I can make that change.
--
Jens Axboe
next prev parent reply other threads:[~2024-12-12 19:36 UTC|newest]
Thread overview: 43+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-12-03 15:31 [PATCHSET v6 0/12] Uncached buffered IO Jens Axboe
2024-12-03 15:31 ` [PATCH 01/12] mm/filemap: change filemap_create_folio() to take a struct kiocb Jens Axboe
2024-12-10 11:13 ` Christoph Hellwig
2024-12-12 15:49 ` Jens Axboe
2024-12-03 15:31 ` [PATCH 02/12] mm/readahead: add folio allocation helper Jens Axboe
2024-12-03 15:31 ` [PATCH 03/12] mm: add PG_uncached page flag Jens Axboe
2024-12-03 15:31 ` [PATCH 04/12] mm/readahead: add readahead_control->uncached member Jens Axboe
2024-12-03 15:31 ` [PATCH 05/12] mm/filemap: use page_cache_sync_ra() to kick off read-ahead Jens Axboe
2024-12-10 11:15 ` Christoph Hellwig
2024-12-03 15:31 ` [PATCH 06/12] mm/truncate: add folio_unmap_invalidate() helper Jens Axboe
2024-12-10 11:21 ` Christoph Hellwig
2024-12-12 20:19 ` Jens Axboe
2024-12-03 15:31 ` [PATCH 07/12] fs: add RWF_UNCACHED iocb and FOP_UNCACHED file_operations flag Jens Axboe
2024-12-06 17:35 ` Darrick J. Wong
2024-12-10 11:22 ` Christoph Hellwig
2024-12-12 19:42 ` Jens Axboe
2024-12-03 15:31 ` [PATCH 08/12] mm/filemap: add read support for RWF_UNCACHED Jens Axboe
2024-12-03 15:31 ` [PATCH 09/12] mm/filemap: drop uncached pages when writeback completes Jens Axboe
2024-12-03 15:31 ` [PATCH 10/12] mm/filemap: add filemap_fdatawrite_range_kick() helper Jens Axboe
2024-12-03 15:31 ` [PATCH 11/12] mm/filemap: make buffered writes work with RWF_UNCACHED Jens Axboe
2024-12-06 17:17 ` Darrick J. Wong
2024-12-06 18:22 ` Jens Axboe
2024-12-10 11:31 ` Christoph Hellwig
2024-12-12 15:51 ` Jens Axboe
2024-12-03 15:31 ` [PATCH 12/12] mm: add FGP_UNCACHED folio creation flag Jens Axboe
2024-12-03 18:23 ` [PATCHSET v6 0/12] Uncached buffered IO Christoph Lameter (Ampere)
2024-12-03 21:06 ` Jens Axboe
2024-12-03 22:16 ` Christoph Lameter (Ampere)
2024-12-03 22:41 ` Jens Axboe
2024-12-04 5:52 ` Darrick J. Wong
2024-12-04 16:36 ` Jens Axboe
2024-12-10 11:11 ` Christoph Hellwig
2024-12-12 15:48 ` Jens Axboe
2024-12-12 16:59 ` Christoph Lameter (Ampere)
2024-12-12 19:14 ` Jens Axboe
2024-12-12 19:35 ` Matthew Wilcox
2024-12-12 19:36 ` Jens Axboe [this message]
2024-12-12 20:06 ` Christoph Lameter (Ampere)
2024-12-13 5:04 ` Johannes Weiner
2024-12-13 14:49 ` Jens Axboe
2024-12-06 17:37 ` Darrick J. Wong
2024-12-10 9:48 ` Bharata B Rao
2024-12-12 15:46 ` Jens Axboe
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