f2fs: Convert get_next_nat_page() to get_next_nat_folio()

Return a folio from this function and convert its one caller.
Removes a call to compound_head().

Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>

diff --git a/fs/f2fs/node.c b/fs/f2fs/node.c
index f1c6c0c8ee741f14c00e99a37940c20f9e427541..7c8fb359013692c29bd909deb8a48dcde8a04d04 100644 (file)
--- a/fs/f2fs/node.c
+++ b/fs/f2fs/node.c
@@ -135,7 +135,7 @@ static struct folio *get_current_nat_folio(struct f2fs_sb_info *sbi, nid_t nid)
        return f2fs_get_meta_folio_retry(sbi, current_nat_addr(sbi, nid));
 }
 
-static struct page *get_next_nat_page(struct f2fs_sb_info *sbi, nid_t nid)
+static struct folio *get_next_nat_folio(struct f2fs_sb_info *sbi, nid_t nid)
 {
        struct folio *src_folio;
        struct folio *dst_folio;
@@ -149,7 +149,7 @@ static struct page *get_next_nat_page(struct f2fs_sb_info *sbi, nid_t nid)
        /* get current nat block page with lock */
        src_folio = get_current_nat_folio(sbi, nid);
        if (IS_ERR(src_folio))
-               return &src_folio->page;
+               return src_folio;
        dst_folio = f2fs_grab_meta_folio(sbi, dst_off);
        f2fs_bug_on(sbi, folio_test_dirty(src_folio));
 
@@ -161,7 +161,7 @@ static struct page *get_next_nat_page(struct f2fs_sb_info *sbi, nid_t nid)
 
        set_to_next_nat(nm_i, nid);
 
-       return &dst_folio->page;
+       return dst_folio;
 }
 
 static struct nat_entry *__alloc_nat_entry(struct f2fs_sb_info *sbi,
@@ -3010,7 +3010,7 @@ static int __flush_nat_entry_set(struct f2fs_sb_info *sbi,
        bool to_journal = true;
        struct f2fs_nat_block *nat_blk;
        struct nat_entry *ne, *cur;
-       struct page *page = NULL;
+       struct folio *folio = NULL;
 
        /*
         * there are two steps to flush nat entries:
@@ -3024,11 +3024,11 @@ static int __flush_nat_entry_set(struct f2fs_sb_info *sbi,
        if (to_journal) {
                down_write(&curseg->journal_rwsem);
        } else {
-               page = get_next_nat_page(sbi, start_nid);
-               if (IS_ERR(page))
-                       return PTR_ERR(page);
+               folio = get_next_nat_folio(sbi, start_nid);
+               if (IS_ERR(folio))
+                       return PTR_ERR(folio);
 
-               nat_blk = page_address(page);
+               nat_blk = folio_address(folio);
                f2fs_bug_on(sbi, !nat_blk);
        }
 
@@ -3064,8 +3064,8 @@ static int __flush_nat_entry_set(struct f2fs_sb_info *sbi,
        if (to_journal) {
                up_write(&curseg->journal_rwsem);
        } else {
-               __update_nat_bits(sbi, start_nid, page);
-               f2fs_put_page(page, 1);
+               __update_nat_bits(sbi, start_nid, &folio->page);
+               f2fs_folio_put(folio, true);
        }
 
        /* Allow dirty nats by node block allocation in write_begin */