Commit 021cff9d authored by Matthew Wilcox (Oracle)'s avatar Matthew Wilcox (Oracle) Committed by Andrew Morton
Browse files

nilfs2: convert nilfs_mdt_write_page() to use a folio 

Convert the incoming page to a folio.  Replaces three calls to
compound_head() with one.

Link: https://lkml.kernel.org/r/20231114084436.2755-8-konishi.ryusuke@gmail.com


Signed-off-by: default avatarMatthew Wilcox (Oracle) <willy@infradead.org>
Signed-off-by: default avatarRyusuke Konishi <konishi.ryusuke@gmail.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
parent b7ef8d3b

fs/nilfs2/mdt.c

+7 −6
Original line number Diff line number Diff line
@@ -399,7 +399,8 @@ int nilfs_mdt_fetch_dirty(struct inode *inode) 
static int

nilfs_mdt_write_page(struct page *page, struct writeback_control *wbc)

{

	struct inode *inode = page->mapping->host;

	struct folio *folio = page_folio(page);

	struct inode *inode = folio->mapping->host;

	struct super_block *sb;

	int err = 0;
@@ -407,16 +408,16 @@ nilfs_mdt_write_page(struct page *page, struct writeback_control *wbc) 
		/*

		 * 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.

		 * have dirty folios that try to be flushed in background.

		 * So, here we simply discard this dirty folio.

		 */

		nilfs_clear_dirty_page(page, false);

		unlock_page(page);

		folio_unlock(folio);

		return -EROFS;

	}



	redirty_page_for_writepage(wbc, page);

	unlock_page(page);

	folio_redirty_for_writepage(wbc, folio);

	folio_unlock(folio);



	if (!inode)

		return 0;