linux-kernel - Re: [PATCH] epoll: simplify ep_busy_loop by removing always 0 argument

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Message-ID: <20250227-kanon-unrentabel-e3cf5eea0ded@brauner>
Date: Thu, 27 Feb 2025 09:45:58 +0100
From: Christian Brauner <brauner@...nel.org>
To: Lin Feng <linf@...gsu.com>
Cc: Christian Brauner <brauner@...nel.org>,
	linux-kernel@...r.kernel.org,
	linux-fsdevel@...r.kernel.org,
	soheil@...gle.com,
	viro@...iv.linux.org.uk,
	jack@...e.cz
Subject: Re: [PATCH] epoll: simplify ep_busy_loop by removing always 0 argument

On Thu, 27 Feb 2025 11:34:12 +0800, Lin Feng wrote:
> Commit 00b27634bc471("epoll: replace gotos with a proper loop") refactored
> ep_poll and always feeds ep_busy_loop with a time_out value of 0, nonblock
> mode for ep_busy_loop has sunk since, IOW nonblock mode checking has been
> taken over by ep_poll itself, codes snipped:
> 
> static int ep_poll(struct eventpoll *ep...
> {
> ...
>     if (timed_out)
>         return 0;
> 
> [...]

Applied to the vfs-6.15.misc branch of the vfs/vfs.git tree.
Patches in the vfs-6.15.misc branch should appear in linux-next soon.

Please report any outstanding bugs that were missed during review in a
new review to the original patch series allowing us to drop it.

It's encouraged to provide Acked-bys and Reviewed-bys even though the
patch has now been applied. If possible patch trailers will be updated.

Note that commit hashes shown below are subject to change due to rebase,
trailer updates or similar. If in doubt, please check the listed branch.

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs.git
branch: vfs-6.15.misc

[1/1] epoll: simplify ep_busy_loop by removing always 0 argument
      https://git.kernel.org/vfs/vfs/c/d3a194d95fc8