[PATCH 5/5] ext4: Convert ac_buddy_page to ac_buddy_folio

["Matthew Wilcox (Oracle)" <willy@infradead.org>]

This just carries around the bd_buddy_folio so should also be a folio.

Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
---
 fs/ext4/mballoc.c | 8 ++++----
 fs/ext4/mballoc.h | 2 +-
 2 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c
index b2ea016f259d..e63f7365ede3 100644
--- a/fs/ext4/mballoc.c
+++ b/fs/ext4/mballoc.c
@@ -2155,8 +2155,8 @@ static void ext4_mb_use_best_found(struct ext4_allocation_context *ac,
 	 */
 	ac->ac_bitmap_folio = e4b->bd_bitmap_folio;
 	folio_get(ac->ac_bitmap_folio);
-	ac->ac_buddy_page = &e4b->bd_buddy_folio->page;
-	get_page(ac->ac_buddy_page);
+	ac->ac_buddy_folio = e4b->bd_buddy_folio;
+	folio_get(ac->ac_buddy_folio);
 	/* store last allocated for subsequent stream allocation */
 	if (ac->ac_flags & EXT4_MB_STREAM_ALLOC) {
 		spin_lock(&sbi->s_md_lock);
@@ -5995,8 +5995,8 @@ static void ext4_mb_release_context(struct ext4_allocation_context *ac)
 	}
 	if (ac->ac_bitmap_folio)
 		folio_put(ac->ac_bitmap_folio);
-	if (ac->ac_buddy_page)
-		put_page(ac->ac_buddy_page);
+	if (ac->ac_buddy_folio)
+		folio_put(ac->ac_buddy_folio);
 	if (ac->ac_flags & EXT4_MB_HINT_GROUP_ALLOC)
 		mutex_unlock(&ac->ac_lg->lg_mutex);
 	ext4_mb_collect_stats(ac);
diff --git a/fs/ext4/mballoc.h b/fs/ext4/mballoc.h
index ec1348fe1c04..728b2d77b03f 100644
--- a/fs/ext4/mballoc.h
+++ b/fs/ext4/mballoc.h
@@ -205,7 +205,7 @@ struct ext4_allocation_context {
 				 * N > 0, the field stores N, otherwise 0 */
 	__u8 ac_op;		/* operation, for history only */
 	struct folio *ac_bitmap_folio;
-	struct page *ac_buddy_page;
+	struct folio *ac_buddy_folio;
 	struct ext4_prealloc_space *ac_pa;
 	struct ext4_locality_group *ac_lg;
 };
-- 
2.43.0