From: Jens Axboe <[email protected]>
To: Xiaoguang Wang <[email protected]>,
[email protected]
Cc: [email protected]
Subject: Re: [PATCH] io_uring: don't hold fixed_file_data's lock when registering files
Date: Wed, 2 Sep 2020 08:13:44 -0600 [thread overview]
Message-ID: <[email protected]> (raw)
In-Reply-To: <[email protected]>
On 9/2/20 5:32 AM, Xiaoguang Wang wrote:
> While registering new files by IORING_REGISTER_FILES, there're not
> valid fixed_file_ref_node at the moment, so it's unnecessary to hold
> fixed_file_data's lock when registering files.
Even if that were the case (I haven't looked too closely at it yet),
it would a) need a big comment explaining why, and b) some justification
on why this would be a change we'd want to make.
On b, are you seeing any tangible differences with this?
--
Jens Axboe
next prev parent reply other threads:[~2020-09-02 14:14 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-09-02 11:32 [PATCH] io_uring: don't hold fixed_file_data's lock when registering files Xiaoguang Wang
2020-09-02 14:13 ` Jens Axboe [this message]
2020-09-03 4:35 ` Xiaoguang Wang
2020-09-03 11:40 ` Jens Axboe
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