From: Jens Axboe <[email protected]>
To: Matthew Wilcox <[email protected]>,
Christoph Hellwig <[email protected]>
Cc: Stefan Roesch <[email protected]>,
[email protected], [email protected],
[email protected], [email protected]
Subject: Re: [PATCH v2 04/13] fs: split off __alloc_page_buffers function
Date: Sat, 19 Feb 2022 21:51:48 -0700 [thread overview]
Message-ID: <[email protected]> (raw)
In-Reply-To: <[email protected]>
On 2/19/22 9:38 PM, Jens Axboe wrote:
> On 2/19/22 9:23 PM, Matthew Wilcox wrote:
>> On Fri, Feb 18, 2022 at 11:35:10PM -0800, Christoph Hellwig wrote:
>>> Err, hell no. Please do not add any new functionality to the legacy
>>> buffer head code. If you want new features do that on the
>>> non-bufferhead iomap code path only please.
>>
>> I think "first convert the block device code from buffer_heads to
>> iomap" might be a bit much of a prerequisite. I think running ext4 on
>> top of a
>
> Yes, that's exactly what Christoph was trying to say, but failing to
> state in an appropriate manner. And we did actually discuss that, I'm
> not against doing something like that.
Just to be clear, I do agree with you that it's an unfair ask for this
change. And as you mentioned, ext4 would require the buffer_head code
to be touched anyway, just layering on top of the necessary changes
for the bdev code.
--
Jens Axboe
next prev parent reply other threads:[~2022-02-20 4:51 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-02-18 19:57 [PATCH v2 00/13] Support sync buffered writes for io-uring Stefan Roesch
2022-02-18 19:57 ` [PATCH v2 01/13] fs: Add flags parameter to __block_write_begin_int Stefan Roesch
2022-02-18 19:59 ` Matthew Wilcox
2022-02-18 20:08 ` Stefan Roesch
2022-02-18 20:13 ` Matthew Wilcox
2022-02-18 20:14 ` Stefan Roesch
2022-02-18 20:22 ` Matthew Wilcox
2022-02-18 20:25 ` Stefan Roesch
2022-02-18 20:35 ` Matthew Wilcox
2022-02-18 20:39 ` Stefan Roesch
2022-02-18 19:57 ` [PATCH v2 02/13] mm: Introduce do_generic_perform_write Stefan Roesch
2022-02-18 19:57 ` [PATCH v2 03/13] mm: Add support for async buffered writes Stefan Roesch
2022-02-18 19:57 ` [PATCH v2 04/13] fs: split off __alloc_page_buffers function Stefan Roesch
2022-02-18 20:42 ` Matthew Wilcox
2022-02-18 20:50 ` Stefan Roesch
2022-02-19 7:35 ` Christoph Hellwig
2022-02-20 4:23 ` Matthew Wilcox
2022-02-20 4:38 ` Jens Axboe
2022-02-20 4:51 ` Jens Axboe [this message]
2022-02-22 8:18 ` Christoph Hellwig
2022-02-22 23:19 ` Jens Axboe
2022-02-18 19:57 ` [PATCH v2 05/13] fs: split off __create_empty_buffers function Stefan Roesch
2022-02-18 19:57 ` [PATCH v2 06/13] fs: Add gfp_t parameter to create_page_buffers() Stefan Roesch
2022-02-21 0:18 ` kernel test robot
2022-02-18 19:57 ` [PATCH v2 07/13] fs: add support for async buffered writes Stefan Roesch
2022-02-18 19:57 ` [PATCH v2 08/13] io_uring: " Stefan Roesch
2022-02-18 19:57 ` [PATCH v2 09/13] io_uring: Add tracepoint for short writes Stefan Roesch
2022-02-18 19:57 ` [PATCH v2 10/13] sched: add new fields to task_struct Stefan Roesch
2022-02-18 19:57 ` [PATCH v2 11/13] mm: support write throttling for async buffered writes Stefan Roesch
2022-02-18 19:57 ` [PATCH v2 12/13] io_uring: " Stefan Roesch
2022-02-18 19:57 ` [PATCH v2 13/13] block: enable async buffered writes for block devices Stefan Roesch
2022-02-20 22:38 ` [PATCH v2 00/13] Support sync buffered writes for io-uring Dave Chinner
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
[email protected] \
[email protected] \
[email protected] \
[email protected] \
[email protected] \
[email protected] \
[email protected] \
[email protected] \
[email protected] \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox