Re: [PATCH v10 2/3] fs: introduce super_drop_pagecache()

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On Tue, Feb 21, 2023 at 09:57:52AM +0800, Shiyang Ruan wrote:
> 
> 
> 在 2023/2/21 5:25, Dave Chinner 写道:
> > On Fri, Feb 17, 2023 at 02:48:31PM +0000, Shiyang Ruan wrote:
> > > xfs_notify_failure.c requires a method to invalidate all dax mappings.
> > > drop_pagecache_sb() can do this but it is a static function and only
> > > build with CONFIG_SYSCTL.  Now, move its implementation into super.c and
> > > call it super_drop_pagecache().  Use its second argument as invalidator
> > > so that we can choose which invalidate method to use.
> > > 
> > > Signed-off-by: Shiyang Ruan <ruansy.fnst@xxxxxxxxxxx>
> > 
> > I got no repsonse last time, so I'll just post a link to the
> > concerns I stated about this:
> > 
> > https://lore.kernel.org/linux-xfs/20230205215000.GT360264@xxxxxxxxxxxxxxxxxxx/
> 
> Please see patch 3.  I changed the code: freeze the fs, then drop its
> caches.

Neither the patch nor the cover letter have a changelog in them
that mention you changed anything. Please, at least, keep a change
log in the cover letter so that people know what has changed from
version to version without having to look at every patch and line of
code again.

-Dave.
-- 
Dave Chinner
david@xxxxxxxxxxxxx




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