mm: Export writeback_iter()

dhowells · dhowells · commit 5a550a0c6070 · 2024-05-01T18:07:35.000+01:00
Export writeback_iter() so that it can be used by netfslib as a module.

Signed-off-by: David Howells &lt;dhowells@redhat.com&gt;
Reviewed-by: Jeff Layton &lt;jlayton@kernel.org&gt;
cc: Matthew Wilcox (Oracle) &lt;willy@infradead.org&gt;
cc: Christoph Hellwig &lt;hch@lst.de&gt;
cc: linux-mm@kvack.org
diff --git a/mm/page-writeback.c b/mm/page-writeback.c
@@ -2546,6 +2546,7 @@ struct folio *writeback_iter(struct address_space *mapping,
 	folio_batch_release(&wbc->fbatch);
 	return NULL;
 }
+EXPORT_SYMBOL_GPL(writeback_iter);
 
 /**
  * write_cache_pages - walk the list of dirty pages of the given address space and write all of them.

Original file line number	Diff line number	Diff line change
`@@ -2546,6 +2546,7 @@ struct folio writeback_iter(struct address_space mapping,`
`2546`	`2546`	`folio_batch_release(&wbc->fbatch);`
`2547`	`2547`	`return NULL;`
`2548`	`2548`	`}`
	`2549`	`+EXPORT_SYMBOL_GPL(writeback_iter);`
`2549`	`2550`
`2550`	`2551`	`/**`
`2551`	`2552`	`* write_cache_pages - walk the list of dirty pages of the given address space and write all of them.`