->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
