linux-kernel - Re: [PATCH v3 1/3] rust: miscdevice: access file in fops

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Message-ID: <20241213164810.GD2418536@google.com>
Date: Fri, 13 Dec 2024 16:48:10 +0000
From: Lee Jones <lee@...nel.org>
To: Alice Ryhl <aliceryhl@...gle.com>
Cc: Arnd Bergmann <arnd@...db.de>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Alexander Viro <viro@...iv.linux.org.uk>,
	Christian Brauner <brauner@...nel.org>, Jan Kara <jack@...e.cz>,
	Miguel Ojeda <ojeda@...nel.org>,
	Alex Gaynor <alex.gaynor@...il.com>,
	Boqun Feng <boqun.feng@...il.com>, Gary Guo <gary@...yguo.net>,
	Björn Roy Baron <bjorn3_gh@...tonmail.com>,
	Benno Lossin <benno.lossin@...ton.me>,
	Andreas Hindborg <a.hindborg@...nel.org>,
	Trevor Gross <tmgross@...ch.edu>,
	Danilo Krummrich <dakr@...nel.org>, rust-for-linux@...r.kernel.org,
	linux-kernel@...r.kernel.org, linux-fsdevel@...r.kernel.org
Subject: Re: [PATCH v3 1/3] rust: miscdevice: access file in fops

jn Wed, 11 Dec 2024, Lee Jones wrote:

> On Tue, 10 Dec 2024, Alice Ryhl wrote:
> 
> > This allows fops to access information about the underlying struct file
> > for the miscdevice. For example, the Binder driver needs to inspect the
> > O_NONBLOCK flag inside the fops->ioctl() hook.
> > 
> > Signed-off-by: Alice Ryhl <aliceryhl@...gle.com>
> > ---
> >  rust/kernel/miscdevice.rs | 31 +++++++++++++++++++++++++------
> >  1 file changed, 25 insertions(+), 6 deletions(-)
> 
> Reviewed-by: Lee Jones <lee@...nel.org>

Tested-by: Lee Jones <lee@...nel.org>

-- 
Lee Jones [李琼斯]