[f2fs-dev] [PATCH 025/153] f2fs: Use a folio in write_compacted_summaries()

[Matthew Wilcox (Oracle)]

Grab a folio instead of a page.  Saves four hidden calls to
compound_head().

Signed-off-by: Matthew Wilcox (Oracle) <wi...@infradead.org>
---
 fs/f2fs/segment.c | 24 ++++++++++++------------
 1 file changed, 12 insertions(+), 12 deletions(-)

diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c
index 3e6acb9ab610..baf24d29ed44 100644
--- a/fs/f2fs/segment.c
+++ b/fs/f2fs/segment.c
@@ -4392,15 +4392,15 @@ static int restore_curseg_summaries(struct f2fs_sb_info 
*sbi)
 
 static void write_compacted_summaries(struct f2fs_sb_info *sbi, block_t 
blkaddr)
 {
-       struct page *page;
+       struct folio *folio;
        unsigned char *kaddr;
        struct f2fs_summary *summary;
        struct curseg_info *seg_i;
        int written_size = 0;
        int i, j;
 
-       page = f2fs_grab_meta_page(sbi, blkaddr++);
-       kaddr = (unsigned char *)page_address(page);
+       folio = f2fs_grab_meta_folio(sbi, blkaddr++);
+       kaddr = folio_address(folio);
        memset(kaddr, 0, PAGE_SIZE);
 
        /* Step 1: write nat cache */
@@ -4417,9 +4417,9 @@ static void write_compacted_summaries(struct f2fs_sb_info 
*sbi, block_t blkaddr)
        for (i = CURSEG_HOT_DATA; i <= CURSEG_COLD_DATA; i++) {
                seg_i = CURSEG_I(sbi, i);
                for (j = 0; j < f2fs_curseg_valid_blocks(sbi, i); j++) {
-                       if (!page) {
-                               page = f2fs_grab_meta_page(sbi, blkaddr++);
-                               kaddr = (unsigned char *)page_address(page);
+                       if (!folio) {
+                               folio = f2fs_grab_meta_folio(sbi, blkaddr++);
+                               kaddr = folio_address(folio);
                                memset(kaddr, 0, PAGE_SIZE);
                                written_size = 0;
                        }
@@ -4431,14 +4431,14 @@ static void write_compacted_summaries(struct 
f2fs_sb_info *sbi, block_t blkaddr)
                                                        SUM_FOOTER_SIZE)
                                continue;
 
-                       set_page_dirty(page);
-                       f2fs_put_page(page, 1);
-                       page = NULL;
+                       folio_mark_dirty(folio);
+                       f2fs_folio_put(folio, true);
+                       folio = NULL;
                }
        }
-       if (page) {
-               set_page_dirty(page);
-               f2fs_put_page(page, 1);
+       if (folio) {
+               folio_mark_dirty(folio);
+               f2fs_folio_put(folio, true);
        }
 }
 
-- 
2.47.2



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