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From: Miklos Szeredi <miklos@szeredi.hu>
To: Zhang Tianci <zhangtianci.1997@bytedance.com>
Cc: linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org,
	 Geng Xueyu <gengxueyu.520@bytedance.com>,
	Wang Jian <wangjian.pg@bytedance.com>,
	 Xie Yongji <xieyongji@bytedance.com>
Subject: Re: [PATCH] fuse: fix the bug of missing EPOLLET event wakeup
Date: Tue, 27 Jan 2026 11:37:41 +0100	[thread overview]
Message-ID: <CAJfpeguDR4RqfNgaGSxSA9GKtFD7605pMo80fM4EEGV42bi80g@mail.gmail.com> (raw)
In-Reply-To: <20251225110318.46261-1-zhangtianci.1997@bytedance.com>

On Thu, 25 Dec 2025 at 12:03, Zhang Tianci
<zhangtianci.1997@bytedance.com> wrote:
>
> Users using Go have reported an issue to us:
> When performing read/write operations with goroutines,
> since fuse's file->f_ops->poll is not empty,

Another one of those historical mistakes...

> read/write operations are conducted via epoll.
> Additionally, goroutines use the EPOLLET wake-up mode.
>
> Currently, the implementation of fuse_file_poll has
> the following problem:
> After receiving EAGAIN during read/write operations,

Why is read/write returning EAGAIN?

Thanks,
Miklos

  parent reply	other threads:[~2026-01-27 10:37 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-12-25 11:03 Zhang Tianci
2026-01-07  3:11 ` Zhang Tianci
2026-01-27  6:41   ` Zhang Tianci
2026-01-27 10:37 ` Miklos Szeredi [this message]
2026-01-27 16:23 ` Markus Elfring

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