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From: Stefan Roesch <shr@fb.com>
To: Christoph Hellwig <hch@infradead.org>
Cc: io-uring@vger.kernel.org, kernel-team@fb.com, linux-mm@kvack.org,
	linux-xfs@vger.kernel.org, linux-fsdevel@vger.kernel.org,
	david@fromorbit.com, jack@suse.cz
Subject: Re: [RFC PATCH v4 03/17] mm: Prepare balance_dirty_pages() for async buffered writes
Date: Wed, 25 May 2022 14:30:20 -0700	[thread overview]
Message-ID: <649f4390-d7e5-960a-339a-7a780d9fb576@fb.com> (raw)
In-Reply-To: <YonjnENVHY0/s1dg@infradead.org>



On 5/22/22 12:17 AM, Christoph Hellwig wrote:
> On Fri, May 20, 2022 at 11:36:32AM -0700, Stefan Roesch wrote:
>> From: Jan Kara <jack@suse.cz>
>>
>> If balance_dirty_pages() gets called for async buffered write, we don't
>> want to wait. Instead we need to indicate to the caller that throttling
>> is needed so that it can stop writing and offload the rest of the write
>> to a context that can block.
> 
> I don't tink this really makes sense without the next patch, so I'd
> suggest to merge the two.

I merged the two patches.

  reply	other threads:[~2022-05-25 21:30 UTC|newest]

Thread overview: 39+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-05-20 18:36 [RFC PATCH v4 00/17] io-uring/xfs: support async buffered writes Stefan Roesch
2022-05-20 18:36 ` [RFC PATCH v4 01/17] mm: Move starting of background writeback into the main balancing loop Stefan Roesch
2022-05-20 18:36 ` [RFC PATCH v4 02/17] mm: Move updates of dirty_exceeded into one place Stefan Roesch
2022-05-20 18:36 ` [RFC PATCH v4 03/17] mm: Prepare balance_dirty_pages() for async buffered writes Stefan Roesch
2022-05-22  7:17   ` Christoph Hellwig
2022-05-25 21:30     ` Stefan Roesch [this message]
2022-05-20 18:36 ` [RFC PATCH v4 04/17] mm: Add balance_dirty_pages_ratelimited_flags() function Stefan Roesch
2022-05-23 10:40   ` Jan Kara
2022-05-20 18:36 ` [RFC PATCH v4 05/17] iomap: Add gfp parameter to iomap_page_create() Stefan Roesch
2022-05-22  7:21   ` Christoph Hellwig
2022-05-25 21:29     ` Stefan Roesch
2022-05-20 18:36 ` [RFC PATCH v4 06/17] iomap: Add async buffered write support Stefan Roesch
2022-05-20 18:36 ` [RFC PATCH v4 07/17] iomap: Use balance_dirty_pages_ratelimited_flags in iomap_write_iter Stefan Roesch
2022-05-22  7:19   ` Christoph Hellwig
2022-05-25 21:32     ` Stefan Roesch
2022-05-20 18:36 ` [RFC PATCH v4 08/17] fs: Add check for async buffered writes to generic_write_checks Stefan Roesch
2022-05-20 18:36 ` [RFC PATCH v4 09/17] fs: Split off remove_needs_file_privs() __remove_file_privs() Stefan Roesch
2022-05-22  7:32   ` Christoph Hellwig
2022-05-25 21:34     ` Stefan Roesch
2022-05-20 18:36 ` [RFC PATCH v4 10/17] fs: Split off file_needs_update_time and __file_update_time Stefan Roesch
2022-05-22  7:29   ` Christoph Hellwig
2022-05-25 22:32     ` Stefan Roesch
2022-05-20 18:36 ` [RFC PATCH v4 11/17] fs: Add async write file modification handling Stefan Roesch
2022-05-22  7:24   ` Christoph Hellwig
2022-05-25 21:39     ` Stefan Roesch
2022-05-20 18:36 ` [RFC PATCH v4 12/17] fs: Optimization for concurrent file time updates Stefan Roesch
2022-05-23 10:51   ` Jan Kara
2022-05-25 21:46     ` Stefan Roesch
2022-05-20 18:36 ` [RFC PATCH v4 13/17] io_uring: Add support for async buffered writes Stefan Roesch
2022-05-20 18:36 ` [RFC PATCH v4 14/17] io_uring: Add tracepoint for short writes Stefan Roesch
2022-05-20 18:36 ` [RFC PATCH v4 15/17] xfs: Add iomap async buffered write support Stefan Roesch
2022-05-22  7:33   ` Christoph Hellwig
2022-05-25 21:40     ` Stefan Roesch
2022-05-20 18:36 ` [RFC PATCH v4 16/17] xfs: Add " Stefan Roesch
2022-05-22  7:34   ` Christoph Hellwig
2022-05-25 21:41     ` Stefan Roesch
2022-05-22 15:35   ` Darrick J. Wong
2022-05-25 21:44     ` Stefan Roesch
2022-05-20 18:36 ` [RFC PATCH v4 17/17] xfs: Enable " Stefan Roesch

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