Commit 73122255 authored by Matthew Wilcox (Oracle)'s avatar Matthew Wilcox (Oracle)
Browse files

jbd2: Convert release_buffer_page() to use a folio 



Saves a few calls to compound_head().

Signed-off-by: default avatarMatthew Wilcox (Oracle) <willy@infradead.org>
Acked-by: default avatarTheodore Ts'o <tytso@mit.edu>
Reviewed-by: default avatarJeff Layton <jlayton@kernel.org>
parent c56a6eb0

fs/jbd2/commit.c

+8 −6
Original line number Diff line number Diff line
@@ -62,6 +62,7 @@ static void journal_end_buffer_io_sync(struct buffer_head *bh, int uptodate) 
 */

static void release_buffer_page(struct buffer_head *bh)

{

	struct folio *folio;

	struct page *page;



	if (buffer_dirty(bh))
@@ -71,18 +72,19 @@ static void release_buffer_page(struct buffer_head *bh) 
	page = bh->b_page;

	if (!page)

		goto nope;

	if (page->mapping)

	folio = page_folio(page);

	if (folio->mapping)

		goto nope;



	/* OK, it's a truncated page */

	if (!trylock_page(page))

	if (!folio_trylock(folio))

		goto nope;



	get_page(page);

	folio_get(folio);

	__brelse(bh);

	try_to_free_buffers(page);

	unlock_page(page);

	put_page(page);

	try_to_free_buffers(&folio->page);

	folio_unlock(folio);

	folio_put(folio);

	return;



nope: