fat: remove ->writepage
authorChristoph Hellwig <hch@lst.de>
Fri, 2 Dec 2022 10:26:39 +0000 (11:26 +0100)
committerAndrew Morton <akpm@linux-foundation.org>
Mon, 12 Dec 2022 02:12:17 +0000 (18:12 -0800)
commitee649af0d9a60ea61a5dad99ef5d6b4aa346f0a0
treee4742049a550f6c3ef057757caceaee879a50963
parenta11774122180a782b327b0a9a5091d99c91a4db7
fat: remove ->writepage

->writepage is a very inefficient method to write back data, and only
used through write_cache_pages or a a fallback when no ->migrate_folio
method is present.

Set ->migrate_folio to the generic buffer_head based helper, and remove
the ->writepage implementation.

Link: https://lkml.kernel.org/r/20221202102644.770505-3-hch@lst.de
Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Johannes Weiner <hannes@cmpxchg.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
fs/fat/inode.c