mm,fs: Remove aops->readpage
With all implementations of aops->readpage converted to aops->read_folio,
we can stop checking whether it's set and remove the member from aops.
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
diff --git a/mm/readahead.c b/mm/readahead.c
index 76024c2..39983a3 100644
--- a/mm/readahead.c
+++ b/mm/readahead.c
@@ -170,12 +170,9 @@ static void read_pages(struct readahead_control *rac)
}
folio_unlock(folio);
}
- } else if (aops->read_folio) {
- while ((folio = readahead_folio(rac)) != NULL)
- aops->read_folio(rac->file, folio);
} else {
while ((folio = readahead_folio(rac)) != NULL)
- aops->readpage(rac->file, &folio->page);
+ aops->read_folio(rac->file, folio);
}
blk_finish_plug(&plug);
@@ -256,8 +253,8 @@ void page_cache_ra_unbounded(struct readahead_control *ractl,
}
/*
- * Now start the IO. We ignore I/O errors - if the page is not
- * uptodate then the caller will launch readpage again, and
+ * Now start the IO. We ignore I/O errors - if the folio is not
+ * uptodate then the caller will launch read_folio again, and
* will then handle the error.
*/
read_pages(ractl);
@@ -305,8 +302,7 @@ void force_page_cache_ra(struct readahead_control *ractl,
struct backing_dev_info *bdi = inode_to_bdi(mapping->host);
unsigned long max_pages, index;
- if (unlikely(!mapping->a_ops->read_folio &&
- !mapping->a_ops->readpage && !mapping->a_ops->readahead))
+ if (unlikely(!mapping->a_ops->read_folio && !mapping->a_ops->readahead))
return;
/*
