nilfs2: convert nilfs_btnode_submit_block to use a folio

Saves two calls to compound_head().

Link: https://lkml.kernel.org/r/20231114084436.2755-17-konishi.ryusuke@gmail.com
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Signed-off-by: Ryusuke Konishi <konishi.ryusuke@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>

diff --git a/fs/nilfs2/btnode.c b/fs/nilfs2/btnode.c
index 691a50410ea919ec283f955243f5fd435b4a067a..5ef9eebd8d2e042be01626f1be6c68016c83401e 100644 (file)
--- a/fs/nilfs2/btnode.c
+++ b/fs/nilfs2/btnode.c
@@ -75,7 +75,7 @@ int nilfs_btnode_submit_block(struct address_space *btnc, __u64 blocknr,
 {
        struct buffer_head *bh;
        struct inode *inode = btnc->host;
-       struct page *page;
+       struct folio *folio;
        int err;
 
        bh = nilfs_grab_buffer(inode, btnc, blocknr, BIT(BH_NILFS_Node));
@@ -83,7 +83,7 @@ int nilfs_btnode_submit_block(struct address_space *btnc, __u64 blocknr,
                return -ENOMEM;
 
        err = -EEXIST; /* internal code */
-       page = bh->b_page;
+       folio = bh->b_folio;
 
        if (buffer_uptodate(bh) || buffer_dirty(bh))
                goto found;
@@ -130,8 +130,8 @@ found:
        *pbh = bh;
 
 out_locked:
-       unlock_page(page);
-       put_page(page);
+       folio_unlock(folio);
+       folio_put(folio);
        return err;
 }