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

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To: "gregkh@xxxxxxxxxxxxxxxxxxx" <gregkh@xxxxxxxxxxxxxxxxxxx>
Subject: Re: [Regression 6.1.y] From "cifs: Fix flushing, invalidation and file size with copy_file_range()"
From: David Howells <dhowells@xxxxxxxxxx>
Date: Fri, 12 Jan 2024 14:25:51 +0000
Cc: dhowells@xxxxxxxxxx, Salvatore Bonaccorso <carnil@xxxxxxxxxx>, Paulo Alcantara <pc@xxxxxxxxxxxxx>, Shyam Prasad N <nspmangalore@xxxxxxxxx>, Rohith Surabattula <rohiths.msft@xxxxxxxxx>, Matthew Wilcox <willy@xxxxxxxxxxxxx>, Jeff Layton <jlayton@xxxxxxxxxx>, Steve French <stfrench@xxxxxxxxxxxxx>, "Jitindar Singh, Suraj" <surajjs@xxxxxxxxxx>, "linux-mm@xxxxxxxxx" <linux-mm@xxxxxxxxx>, "stable-commits@xxxxxxxxxxxxxxx" <stable-commits@xxxxxxxxxxxxxxx>, stable@xxxxxxxxxxxxxxx, linux-cifs@xxxxxxxxxxxxxxx, Linux regressions mailing list <regressions@xxxxxxxxxxxxxxx>
In-reply-to: <2024011115-neatly-trout-5532@gregkh>
Organization: Red Hat UK Ltd. Registered Address: Red Hat UK Ltd, Amberley Place, 107-111 Peascod Street, Windsor, Berkshire, SI4 1TE, United Kingdom. Registered in England and Wales under Company Registration No. 3798903
References: <2024011115-neatly-trout-5532@gregkh> <2023121124-trifle-uncharted-2622@gregkh> <a76b370f93cb928c049b94e1fde0d2da506dfcb2.camel@amazon.com> <ZZhrpNJ3zxMR8wcU@eldamar.lan> <8e59220d-b0f3-4dae-afc3-36acfa6873e4@leemhuis.info> <ZZk6qA54A-KfzmSz@eldamar.lan> <13a70cc5-78fc-49a4-8d78-41e5479e3023@leemhuis.info> <ZZ7Dy69ZJCEyKhhS@eldamar.lan>

gregkh@xxxxxxxxxxxxxxxxxxx <gregkh@xxxxxxxxxxxxxxxxxxx> wrote:

> I guess I can just revert the single commit here?  Can someone send me
> the revert that I need to do so as I get it right?

In cifs_flush_folio() the error check for filemap_get_folio() just needs
changing to check !folio instead of IS_ERR(folio).

David

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

References:
- Re: [Regression 6.1.y] From "cifs: Fix flushing, invalidation and file size with copy_file_range()"
  - From: gregkh@xxxxxxxxxxxxxxxxxxx
- Patch "cifs: Fix flushing, invalidation and file size with copy_file_range()" has been added to the 6.1-stable tree
  - From: gregkh
- Re: Patch "cifs: Fix flushing, invalidation and file size with copy_file_range()" has been added to the 6.1-stable tree
  - From: Jitindar Singh, Suraj
- [Regression 6.1.y] From "cifs: Fix flushing, invalidation and file size with copy_file_range()"
  - From: Salvatore Bonaccorso
- Re: [Regression 6.1.y] From "cifs: Fix flushing, invalidation and file size with copy_file_range()"
  - From: Linux regression tracking (Thorsten Leemhuis)
- Re: [Regression 6.1.y] From "cifs: Fix flushing, invalidation and file size with copy_file_range()"
  - From: Salvatore Bonaccorso
- Re: [Regression 6.1.y] From "cifs: Fix flushing, invalidation and file size with copy_file_range()"
  - From: Linux regression tracking (Thorsten Leemhuis)
- Re: [Regression 6.1.y] From "cifs: Fix flushing, invalidation and file size with copy_file_range()"
  - From: Salvatore Bonaccorso

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