linux-kernel - Re: [PATCH] fs/vboxsf: Replace kmap() with kmap_local

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Message-ID: <2882298.SvYEEZNnvj@suse>
Date:   Thu, 29 Jun 2023 00:40:45 +0200
From:   "Fabio M. De Francesco" <fmdefrancesco@...il.com>
To:     Matthew Wilcox <willy@...radead.org>
Cc:     Sumitra Sharma <sumitraartsy@...il.com>,
        Hans de Goede <hdegoede@...hat.com>,
        linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org,
        Ira Weiny <ira.weiny@...el.com>, Deepak R Varma <drv@...lo.com>
Subject: Re: [PATCH] fs/vboxsf: Replace kmap() with kmap_local_{page, folio}()

On giovedì 29 giugno 2023 00:23:54 CEST Fabio M. De Francesco wrote:

[...]

> 
> Shouldn't we call folio_lock() to lock the folio to be able to unlock with
> folio_unlock()?

Sorry, I wanted to write "If so, I can't find either a folio_lock() or a 
page_lock() in this filesystem.".

Fabio
 
> If so, I can't find any neither a folio_lock() or a page_lock() in this
> filesystem.
> 
> Again sorry for not understanding, can you please explain it?
> 
> >  	return err;
> >  
> >  }