Re: [Regression 6.1.y] From "cifs: Fix flushing, invalidation and file size with copy_file_range()"

From: Matthew Wilcox <willy@infradead.org>
To: Steve French <smfrench@gmail.com>
Cc: David Howells <dhowells@redhat.com>,
	Greg KH <gregkh@linuxfoundation.org>,
	Salvatore Bonaccorso <carnil@debian.org>,
	Paulo Alcantara <pc@manguebit.com>,
	Shyam Prasad N <nspmangalore@gmail.com>,
	Rohith Surabattula <rohiths.msft@gmail.com>,
	Jeff Layton <jlayton@kernel.org>,
	Steve French <stfrench@microsoft.com>,
	"Jitindar Singh, Suraj" <surajjs@amazon.com>,
	linux-mm <linux-mm@kvack.org>,
	stable-commits@vger.kernel.org, Stable <stable@vger.kernel.org>,
	CIFS <linux-cifs@vger.kernel.org>,
	Linux regressions mailing list <regressions@lists.linux.dev>
Subject: Re: [Regression 6.1.y] From "cifs: Fix flushing, invalidation and file size with copy_file_range()"
Date: Sat, 13 Jan 2024 17:51:19 +0000	[thread overview]
Message-ID: <ZaLNlyo8cDCpATPm@casper.infradead.org> (raw)
In-Reply-To: <CAH2r5mvN1F0PqeyAQqv8Z__FikYV+3kekVP0yTtLmCmzmg=QGA@mail.gmail.com>

On Sat, Jan 13, 2024 at 11:08:00AM -0600, Steve French wrote:
> I thought that it was "safer" since if it was misapplied to version where
> new folio rc behavior it wouldn't regress anything

There are only three versions where this patch can be applied: 6.7, 6.6
and 6.1.  AIUI it's a backport from 6.7, it's already applied to 6.6,
and it misapplies to 6.1.  So this kind of belt-and-braces approach is
unnecessary.