Re: [PATCH 07/11] vfs: add nowait parameter for file_accessed()

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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.

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