[f2fs-dev] [PATCH 034/153] f2fs: Use a folio in read_compacted_summaries()

[Matthew Wilcox (Oracle)]

Get a folio instead of a page.  Saves two hidden calls to compound_head().

Signed-off-by: Matthew Wilcox (Oracle) <wi...@infradead.org>
---
 fs/f2fs/segment.c | 23 +++++++++++------------
 1 file changed, 11 insertions(+), 12 deletions(-)

diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c
index aa0f2f243dba..61888496eaa9 100644
--- a/fs/f2fs/segment.c
+++ b/fs/f2fs/segment.c
@@ -4213,16 +4213,16 @@ static int read_compacted_summaries(struct f2fs_sb_info 
*sbi)
        struct f2fs_checkpoint *ckpt = F2FS_CKPT(sbi);
        struct curseg_info *seg_i;
        unsigned char *kaddr;
-       struct page *page;
+       struct folio *folio;
        block_t start;
        int i, j, offset;
 
        start = start_sum_block(sbi);
 
-       page = f2fs_get_meta_page(sbi, start++);
-       if (IS_ERR(page))
-               return PTR_ERR(page);
-       kaddr = (unsigned char *)page_address(page);
+       folio = f2fs_get_meta_folio(sbi, start++);
+       if (IS_ERR(folio))
+               return PTR_ERR(folio);
+       kaddr = folio_address(folio);
 
        /* Step 1: restore nat cache */
        seg_i = CURSEG_I(sbi, CURSEG_HOT_DATA);
@@ -4259,17 +4259,16 @@ static int read_compacted_summaries(struct f2fs_sb_info 
*sbi)
                                                SUM_FOOTER_SIZE)
                                continue;
 
-                       f2fs_put_page(page, 1);
-                       page = NULL;
+                       f2fs_folio_put(folio, true);
 
-                       page = f2fs_get_meta_page(sbi, start++);
-                       if (IS_ERR(page))
-                               return PTR_ERR(page);
-                       kaddr = (unsigned char *)page_address(page);
+                       folio = f2fs_get_meta_folio(sbi, start++);
+                       if (IS_ERR(folio))
+                               return PTR_ERR(folio);
+                       kaddr = folio_address(folio);
                        offset = 0;
                }
        }
-       f2fs_put_page(page, 1);
+       f2fs_folio_put(folio, true);
        return 0;
 }
 
-- 
2.47.2



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