linux-kernel - Re: [PATCH 0/3] pidfd: add pidfd

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Message-ID: <20230329-strenuous-vindicate-214a05c6ea2e@brauner>
Date:   Wed, 29 Mar 2023 08:43:01 +0200
From:   Christian Brauner <brauner@...nel.org>
To:     linux-fsdevel@...r.kernel.org, Jan Kara <jack@...e.cz>
Cc:     Amir Goldstein <amir73il@...il.com>,
        Matthew Bobrowski <repnop@...gle.com>,
        linux-kernel@...r.kernel.org,
        Alexander Mikhalitsyn <aleksandr.mikhalitsyn@...onical.com>,
        netdev@...r.kernel.org
Subject: Re: [PATCH 0/3] pidfd: add pidfd_prepare()


On Mon, 27 Mar 2023 20:22:50 +0200, Christian Brauner wrote:
> This adds the pidfd_prepare() helper which allows the caller to reserve
> a pidfd number and allocates a new pidfd file that stashes the provided
> struct pid.
> 
> This will allow us to remove places that either open code this
> functionality e.g., during copy_process() or that currently call
> pidfd_create() but then have to call close_fd() because there are still
> failure points after pidfd_create() has been called.
> 
> [...]

Jan, thanks for the reviews.

I've picked this up now. Please note that this series is considered stable and
has thus been tagged. The reason is that the SCM_PIDFD work in the networking
depends wants to depend on this work. So they'll get a stable tag,

tree: git://git.kernel.org/pub/scm/linux/kernel/git/brauner/linux.git
branch: pidfd.file.api
tag: pidfd.file.api.v6.4

[1/3] pid: add pidfd_prepare()
      commit: 7021c1b14f83d9151ecaf976eaa6c1d5c6bb5dc7
[2/3] fork: use pidfd_prepare()
      commit: 761ce43fda7ebcdf1b1aa8e797ec83fae0e34c47
[3/3] fanotify: use pidfd_prepare()
      commit: 909939fc167d82cf09cd93ae44e968be916b6e41

Thanks!
Christian