[f2fs-dev] [PATCH 010/153] f2fs: Add f2fs_grab_meta_folio()

[Matthew Wilcox (Oracle)]

Turn f2fs_grab_meta_page() into a wrapper around f2fs_grab_meta_folio().
Saves three hidden calls to compound_head().

Signed-off-by: Matthew Wilcox (Oracle) <wi...@infradead.org>
---
 fs/f2fs/checkpoint.c | 16 ++++++++--------
 fs/f2fs/f2fs.h       |  8 +++++++-
 2 files changed, 15 insertions(+), 9 deletions(-)

diff --git a/fs/f2fs/checkpoint.c b/fs/f2fs/checkpoint.c
index cf77987d0698..bb4a2af73103 100644
--- a/fs/f2fs/checkpoint.c
+++ b/fs/f2fs/checkpoint.c
@@ -38,20 +38,20 @@ void f2fs_stop_checkpoint(struct f2fs_sb_info *sbi, bool 
end_io,
 /*
  * We guarantee no failure on the returned page.
  */
-struct page *f2fs_grab_meta_page(struct f2fs_sb_info *sbi, pgoff_t index)
+struct folio *f2fs_grab_meta_folio(struct f2fs_sb_info *sbi, pgoff_t index)
 {
        struct address_space *mapping = META_MAPPING(sbi);
-       struct page *page;
+       struct folio *folio;
 repeat:
-       page = f2fs_grab_cache_page(mapping, index, false);
-       if (!page) {
+       folio = f2fs_grab_cache_folio(mapping, index, false);
+       if (IS_ERR(folio)) {
                cond_resched();
                goto repeat;
        }
-       f2fs_wait_on_page_writeback(page, META, true, true);
-       if (!PageUptodate(page))
-               SetPageUptodate(page);
-       return page;
+       f2fs_folio_wait_writeback(folio, META, true, true);
+       if (!folio_test_uptodate(folio))
+               folio_mark_uptodate(folio);
+       return folio;
 }
 
 static struct page *__get_meta_page(struct f2fs_sb_info *sbi, pgoff_t index,
diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h
index 443c9d27e5b6..c8965fdcf3cb 100644
--- a/fs/f2fs/f2fs.h
+++ b/fs/f2fs/f2fs.h
@@ -3879,7 +3879,7 @@ static inline bool f2fs_need_rand_seg(struct f2fs_sb_info 
*sbi)
 void f2fs_stop_checkpoint(struct f2fs_sb_info *sbi, bool end_io,
                                                        unsigned char reason);
 void f2fs_flush_ckpt_thread(struct f2fs_sb_info *sbi);
-struct page *f2fs_grab_meta_page(struct f2fs_sb_info *sbi, pgoff_t index);
+struct folio *f2fs_grab_meta_folio(struct f2fs_sb_info *sbi, pgoff_t index);
 struct page *f2fs_get_meta_page(struct f2fs_sb_info *sbi, pgoff_t index);
 struct page *f2fs_get_meta_page_retry(struct f2fs_sb_info *sbi, pgoff_t index);
 struct page *f2fs_get_tmp_page(struct f2fs_sb_info *sbi, pgoff_t index);
@@ -3922,6 +3922,12 @@ int f2fs_start_ckpt_thread(struct f2fs_sb_info *sbi);
 void f2fs_stop_ckpt_thread(struct f2fs_sb_info *sbi);
 void f2fs_init_ckpt_req_control(struct f2fs_sb_info *sbi);
 
+static inline
+struct page *f2fs_grab_meta_page(struct f2fs_sb_info *sbi, pgoff_t index)
+{
+       return &f2fs_grab_meta_folio(sbi, index)->page;
+}
+
 /*
  * data.c
  */
-- 
2.47.2



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