Since nilfs2 has a ->writepages operation already, ->writepage is only
called by the migration code. If we add a ->migrate_folio operation,
it won't even be used for that and so it can be deleted.
Signed-off-by: Matthew Wilcox (Oracle) <willy@xxxxxxxxxxxxx>
---
fs/nilfs2/inode.c | 33 +--------------------------------
1 file changed, 1 insertion(+), 32 deletions(-)
diff --git a/fs/nilfs2/inode.c b/fs/nilfs2/inode.c
index be6acf6e2bfc..f1b47b655672 100644
--- a/fs/nilfs2/inode.c
+++ b/fs/nilfs2/inode.c
@@ -170,37 +170,6 @@ static int nilfs_writepages(struct address_space *mapping,
return err;
}
-static int nilfs_writepage(struct page *page, struct writeback_control *wbc)
-{
- struct folio *folio = page_folio(page);
- struct inode *inode = folio->mapping->host;
- int err;
-
- if (sb_rdonly(inode->i_sb)) {
- /*
- * It means that filesystem was remounted in read-only
- * mode because of error or metadata corruption. But we
- * have dirty pages that try to be flushed in background.
- * So, here we simply discard this dirty page.
- */
- nilfs_clear_folio_dirty(folio);
- folio_unlock(folio);
- return -EROFS;
- }
-
- folio_redirty_for_writepage(wbc, folio);
- folio_unlock(folio);
-
- if (wbc->sync_mode == WB_SYNC_ALL) {
- err = nilfs_construct_segment(inode->i_sb);
- if (unlikely(err))
- return err;
- } else if (wbc->for_reclaim)
- nilfs_flush_segment(inode->i_sb, inode->i_ino);
-
- return 0;
-}
-
static bool nilfs_dirty_folio(struct address_space *mapping,
struct folio *folio)
{
@@ -295,7 +264,6 @@ nilfs_direct_IO(struct kiocb *iocb, struct iov_iter *iter)
}
const struct address_space_operations nilfs_aops = {
- .writepage = nilfs_writepage,
.read_folio = nilfs_read_folio,
.writepages = nilfs_writepages,
.dirty_folio = nilfs_dirty_folio,
@@ -304,6 +272,7 @@ const struct address_space_operations nilfs_aops = {
.write_end = nilfs_write_end,
.invalidate_folio = block_invalidate_folio,
.direct_IO = nilfs_direct_IO,
+ .migrate_folio = buffer_migrate_folio,
.is_partially_uptodate = block_is_partially_uptodate,
};
--
2.43.0
