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From: Christian Brauner <brauner@kernel.org>
To: Amir Goldstein <amir73il@gmail.com>
Cc: Al Viro <viro@zeniv.linux.org.uk>, Jan Kara <jack@suse.cz>,
	Jens Axboe <axboe@kernel.dk>, Miklos Szeredi <miklos@szeredi.hu>,
	David Howells <dhowells@redhat.com>,
	linux-fsdevel@vger.kernel.org
Subject: Re: [PATCH 07/15] remap_range: move file_start_write() to after permission hook
Date: Tue, 21 Nov 2023 16:47:25 +0100	[thread overview]
Message-ID: <20231121-traufe-farmen-977689b1e790@brauner> (raw)
In-Reply-To: <20231121-datum-computer-93e188fe5469@brauner>

> the mount can still change. Once you've gotten write access though we
> tell the anyone trying to change the mount's write-relevant properties
> to go away.

I should also clarify that this is unlikely to matter in practice. It's
more about correctness. You have to be in a very specific scenario for
that to even be a relevant concern.

  reply	other threads:[~2023-11-21 15:47 UTC|newest]

Thread overview: 26+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-11-14 15:33 [PATCH 00/15] Tidy up file permission hooks Amir Goldstein
2023-11-14 15:33 ` [PATCH 01/15] ovl: add permission hooks outside of do_splice_direct() Amir Goldstein
2023-11-14 15:33 ` [PATCH 02/15] splice: remove permission hook from do_splice_direct() Amir Goldstein
2023-11-14 15:33 ` [PATCH 03/15] splice: move permission hook out of splice_direct_to_actor() Amir Goldstein
2023-11-14 15:33 ` [PATCH 04/15] splice: move permission hook out of splice_file_to_pipe() Amir Goldstein
2023-11-14 15:33 ` [PATCH 05/15] splice: remove permission hook from iter_file_splice_write() Amir Goldstein
2023-11-21 14:56   ` Christian Brauner
2023-11-21 15:18     ` Amir Goldstein
2023-11-14 15:33 ` [PATCH 06/15] remap_range: move permission hooks out of do_clone_file_range() Amir Goldstein
2023-11-14 15:33 ` [PATCH 07/15] remap_range: move file_start_write() to after permission hook Amir Goldstein
2023-11-21 15:10   ` Christian Brauner
2023-11-21 15:47     ` Christian Brauner [this message]
2023-11-21 18:39     ` Amir Goldstein
2023-11-14 15:33 ` [PATCH 08/15] btrfs: " Amir Goldstein
2023-11-14 15:33 ` [PATCH 09/15] fs: move file_start_write() into vfs_iter_write() Amir Goldstein
2023-11-14 15:33 ` [PATCH 10/15] fs: move permission hook out of do_iter_write() Amir Goldstein
2023-11-21 15:34   ` Christian Brauner
2023-11-14 15:33 ` [PATCH 11/15] fs: move permission hook out of do_iter_read() Amir Goldstein
2023-11-21 15:28   ` Christian Brauner
2023-11-21 17:46     ` Amir Goldstein
2023-11-21 15:35   ` Christian Brauner
2023-11-14 15:33 ` [PATCH 12/15] fs: move kiocb_start_write() into vfs_iocb_iter_write() Amir Goldstein
2023-11-14 15:33 ` [PATCH 13/15] fs: create __sb_write_started() helper Amir Goldstein
2023-11-14 15:33 ` [PATCH 14/15] fs: create file_write_started() helper Amir Goldstein
2023-11-14 15:33 ` [PATCH 15/15] fs: create {sb,file}_write_not_started() helpers Amir Goldstein
  -- strict thread matches above, loose matches on Subject: below --
2023-11-14 15:32 [PATCH 00/15] Tidy up file permission hooks Amir Goldstein
2023-11-14 15:32 ` [PATCH 07/15] remap_range: move file_start_write() to after permission hook Amir Goldstein

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