linux-kernel - Re: [PATCH v2 2/7] btrfs: Convert __process_pages_contig() to use filemap_get_folios

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Message-ID: <20220823203532.GR13489@twin.jikos.cz>
Date:   Tue, 23 Aug 2022 22:35:32 +0200
From:   David Sterba <dsterba@...e.cz>
To:     "Vishal Moola (Oracle)" <vishal.moola@...il.com>
Cc:     linux-fsdevel@...r.kernel.org, linux-btrfs@...r.kernel.org,
        linux-nilfs@...r.kernel.org, linux-mm@...ck.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 2/7] btrfs: Convert __process_pages_contig() to use
 filemap_get_folios_contig()

On Tue, Aug 16, 2022 at 10:52:41AM -0700, Vishal Moola (Oracle) wrote:
> Convert to use folios throughout. This is in preparation for the removal of
> find_get_pages_contig(). Now also supports large folios.
> 
> Since we may receive more than nr_pages pages, nr_pages may underflow.
> Since nr_pages > 0 is equivalent to index <= end_index, we replaced it
> with this check instead.
> 
> Signed-off-by: Vishal Moola (Oracle) <vishal.moola@...il.com>

Acked-by: David Sterba <dsterba@...e.com>