->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. Signed-off-by: Christoph Hellwig <hch@xxxxxx> --- fs/exfat/inode.c | 9 ++------- 1 file changed, 2 insertions(+), 7 deletions(-) diff --git a/fs/exfat/inode.c b/fs/exfat/inode.c index 5590a1e83126c..eac95bcd9a8aa 100644 --- a/fs/exfat/inode.c +++ b/fs/exfat/inode.c @@ -345,11 +345,6 @@ static void exfat_readahead(struct readahead_control *rac) mpage_readahead(rac, exfat_get_block); } -static int exfat_writepage(struct page *page, struct writeback_control *wbc) -{ - return block_write_full_page(page, exfat_get_block, wbc); -} - static int exfat_writepages(struct address_space *mapping, struct writeback_control *wbc) { @@ -473,12 +468,12 @@ static const struct address_space_operations exfat_aops = { .invalidate_folio = block_invalidate_folio, .read_folio = exfat_read_folio, .readahead = exfat_readahead, - .writepage = exfat_writepage, .writepages = exfat_writepages, .write_begin = exfat_write_begin, .write_end = exfat_write_end, .direct_IO = exfat_direct_IO, - .bmap = exfat_aop_bmap + .bmap = exfat_aop_bmap, + .migrate_folio = buffer_migrate_folio, }; static inline unsigned long exfat_hash(loff_t i_pos) -- 2.30.2