>
http://bugzilla.kernel.org/show_bug.cgi?id=2645
>
> Changes for updating the ctime and mtime fields for memory-mapped files:
>
> 1) new flag triggering update of the inode data;
> 2) new function to update ctime and mtime for block device files;
> 3) new helper function to update ctime and mtime when needed;
> 4) updating time stamps for mapped files in sys_msync() and do_fsync();
> 5) implementing the feature of auto-updating ctime and mtime.
>
> Signed-off-by: Anton Salikhmetov <salikhmetov@gmail.com>
