Re: [PATCH v1] ntfs: support persistent noatime attribute

[Hyunchul Lee]

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@xxxxxxxxxx>
> Reviewed-by: Baolin Liu <liubaolin@xxxxxxxxxx>
> Signed-off-by: Xuewen Wang <wangxuewen@xxxxxxxxxx>

Looks good to me.

Reviewed-by: Hyunchul Lee <hyc.lee@xxxxxxxxx>

-- 
Thanks,
Hyunchul