linux-ext4 - Re: [PATCH 01/31] fs: Add FGP

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Message-ID: <20230314220023.GP860405@mit.edu>
Date:   Tue, 14 Mar 2023 18:00:23 -0400
From:   "Theodore Ts'o" <tytso@....edu>
To:     "Matthew Wilcox (Oracle)" <willy@...radead.org>
Cc:     Andreas Dilger <adilger.kernel@...ger.ca>,
        linux-ext4@...r.kernel.org, linux-fsdevel@...r.kernel.org
Subject: Re: [PATCH 01/31] fs: Add FGP_WRITEBEGIN

On Thu, Jan 26, 2023 at 08:23:45PM +0000, Matthew Wilcox (Oracle) wrote:
> This particular combination of flags is used by most filesystems
> in their ->write_begin method, although it does find use in a
> few other places.  Before folios, it warranted its own function
> (grab_cache_page_write_begin()), but I think that just having specialised
> flags is enough.  It certainly helps the few places that have been
> converted from grab_cache_page_write_begin() to __filemap_get_folio().
> 
> Signed-off-by: Matthew Wilcox (Oracle) <willy@...radead.org>

Reviewed-by: Theodore Ts'o <tytso@....edu>