From: Jens Axboe <axboe@kernel.dk>
To: Dave Chinner <david@fromorbit.com>, Bernd Schubert <bschubert@ddn.com>
Cc: Miklos Szeredi <miklos@szeredi.hu>,
"Darrick J. Wong" <djwong@kernel.org>,
Christoph Hellwig <hch@infradead.org>,
"io-uring@vger.kernel.org" <io-uring@vger.kernel.org>,
"linux-ext4@vger.kernel.org" <linux-ext4@vger.kernel.org>,
"linux-fsdevel@vger.kernel.org" <linux-fsdevel@vger.kernel.org>,
"linux-xfs@vger.kernel.org" <linux-xfs@vger.kernel.org>,
Dharmendra Singh <dsingh@ddn.com>
Subject: Re: [PATCH 1/2] fs: add FMODE_DIO_PARALLEL_WRITE flag
Date: Tue, 18 Apr 2023 19:28:26 -0600 [thread overview]
Message-ID: <b09e799e-9d9f-ae22-1f09-babd6521b11d@kernel.dk> (raw)
In-Reply-To: <20230418221300.GT3223426@dread.disaster.area>
On 4/18/23 4:13?PM, Dave Chinner wrote:
>>> Without first attempting to answer those questions, I'd be reluctant
>>> to add FMODE_DIO_PARALLEL_WRITE to fuse.
>
> I'd tag it with this anyway - for the majority of apps that are
> doing concurrent DIO within EOF, shared locking is big win. If
> there's a corner case that apps trigger that is slow, deal with them
> when they are reported....
Agree, the common/fast case will be fine, which is really the most
important part.
--
Jens Axboe
next prev parent reply other threads:[~2023-04-19 1:28 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-03-07 17:20 [PATCHSET for-next 0/2] Flag file systems as supporting parallel dio writes Jens Axboe
2023-03-07 17:20 ` [PATCH 1/2] fs: add FMODE_DIO_PARALLEL_WRITE flag Jens Axboe
2023-04-12 13:40 ` Bernd Schubert
2023-04-12 13:43 ` Bernd Schubert
2023-04-13 7:40 ` Miklos Szeredi
2023-04-13 9:25 ` Bernd Schubert
2023-04-14 5:11 ` Christoph Hellwig
2023-04-14 15:36 ` Darrick J. Wong
2023-04-15 13:15 ` Jens Axboe
2023-04-18 12:42 ` Miklos Szeredi
2023-04-18 12:55 ` Bernd Schubert
2023-04-18 22:13 ` Dave Chinner
2023-04-19 1:28 ` Jens Axboe [this message]
2023-04-16 5:54 ` Christoph Hellwig
2023-04-19 1:29 ` Jens Axboe
2023-03-07 17:20 ` [PATCH 2/2] io_uring: avoid hashing O_DIRECT writes if the filesystem doesn't need it Jens Axboe
2023-03-15 17:40 ` [PATCHSET for-next 0/2] Flag file systems as supporting parallel dio writes Jens Axboe
2023-03-16 4:29 ` Darrick J. Wong
2023-03-17 2:53 ` Jens Axboe
2023-04-03 12:24 ` Christian Brauner
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