From: Hyunchul Lee <hyc.lee@gmail.com>
To: Xuewen Wang <wangxuewen@kylinos.cn>
Cc: linkinjeon@kernel.org, ntfs@lists.linux.dev,
linux-kernel@vger.kernel.org, Baolin Liu <liubaolin@kylinos.cn>
Subject: Re: [PATCH v1] ntfs: support persistent noatime attribute
Date: Fri, 16 Oct 2026 15:41:14 +0900 [thread overview]
Message-ID: <atHHCvRpa1cP1fRH@hyunchul-PC02> (raw)
In-Reply-To: <20261016030957.1053110-1-wangxuewen@kylinos.cn>
On Fri, Oct 16, 2026 at 11:09:57AM +0800, Xuewen Wang wrote:
> NTFS currently rejects FS_NOATIME_FL in its fileattr setter. This prevents
> users from disabling automatic access-time updates on individual files or
> directories with chattr +A.
>
> Store noatime in bit 3 of the private $LINUXFLAGS EA and restore S_NOATIME
> when loading an inode. Report and accept FS_NOATIME_FL in the fileattr
> callbacks, updating the in-memory flag only after the EA update succeeds.
> The VFS then suppresses automatic atime updates for the inode, while
> chattr -A restores the mount's atime policy.
>
> Document the new on-disk bit and that newly created children do not inherit
> the attribute.
>
> Suggested-by: Baolin Liu <liubaolin@kylinos.cn>
> Reviewed-by: Baolin Liu <liubaolin@kylinos.cn>
> Signed-off-by: Xuewen Wang <wangxuewen@kylinos.cn>
Looks good to me.
Reviewed-by: Hyunchul Lee <hyc.lee@gmail.com>
--
Thanks,
Hyunchul
next prev parent reply other threads:[~2026-10-16 6:41 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-10-16 3:09 Xuewen Wang
2026-10-16 4:23 ` liubaolin
2026-10-16 6:41 ` Hyunchul Lee [this message]
2026-10-17 1:34 ` Namjae Jeon
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