On 8/28/23 05:32, Matthew Wilcox wrote:
On Sun, Aug 27, 2023 at 09:28:31PM +0800, Hao Xu wrote:
From: Hao Xu <howeyxu@xxxxxxxxxxx>
Add a boolean parameter for file_accessed() to support nowait semantics.
Currently it is true only with io_uring as its initial caller.
So why do we need to do this as part of this series? Apparently it
hasn't caused any problems for filemap_read().
We need this parameter to indicate if nowait semantics should be
enforced in touch_atime(), There are locks and maybe IOs in it.