linux-kernel - Re: [f2fs-dev] [PATCH v5 14/23] f2fs: Convert f2fs_write_cache_pages() to use filemap_get_folios

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Message-ID: <9481a114-04d3-7276-bc82-ee18c685b5a6@kernel.org>
Date:   Thu, 12 Jan 2023 18:17:54 +0800
From:   Chao Yu <chao@...nel.org>
To:     "Vishal Moola (Oracle)" <vishal.moola@...il.com>,
        linux-fsdevel@...r.kernel.org
Cc:     linux-cifs@...r.kernel.org, linux-nilfs@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        linux-f2fs-devel@...ts.sourceforge.net, cluster-devel@...hat.com,
        linux-mm@...ck.org, ceph-devel@...r.kernel.org,
        linux-ext4@...r.kernel.org, linux-afs@...ts.infradead.org,
        linux-btrfs@...r.kernel.org
Subject: Re: [f2fs-dev] [PATCH v5 14/23] f2fs: Convert
 f2fs_write_cache_pages() to use filemap_get_folios_tag()

On 2023/1/5 5:14, Vishal Moola (Oracle) wrote:
> Converted the function to use a folio_batch instead of pagevec. This is in
> preparation for the removal of find_get_pages_range_tag().
> 
> Also modified f2fs_all_cluster_page_ready to take in a folio_batch instead
> of pagevec. This does NOT support large folios. The function currently
> only utilizes folios of size 1 so this shouldn't cause any issues right
> now.
> 
> This version of the patch limits the number of pages fetched to
> F2FS_ONSTACK_PAGES. If that ever happens, update the start index here
> since filemap_get_folios_tag() updates the index to be after the last
> found folio, not necessarily the last used page.
> 
> Signed-off-by: Vishal Moola (Oracle) <vishal.moola@...il.com>

Acked-by: Chao Yu <chao@...nel.org>

Thanks,