1 files changed, 12 insertions, 22 deletions

diff --git a/fs/ext4/verity.c b/fs/ext4/verity.c
index 667f9e8d4da9..ca61da53f313 100644
--- a/fs/ext4/verity.c
+++ b/fs/ext4/verity.c
@@ -360,42 +360,32 @@ static int ext4_get_verity_descriptor(struct inode *inode, void *buf,
 }
 
 static struct page *ext4_read_merkle_tree_page(struct inode *inode,
-					       pgoff_t index,
-					       unsigned long num_ra_pages)
+					       pgoff_t index)
 {
-	struct folio *folio;
-
 	index += ext4_verity_metadata_pos(inode) >> PAGE_SHIFT;
+	return generic_read_merkle_tree_page(inode, index);
+}
 
-	folio = __filemap_get_folio(inode->i_mapping, index, FGP_ACCESSED, 0);
-	if (IS_ERR(folio) || !folio_test_uptodate(folio)) {
-		DEFINE_READAHEAD(ractl, NULL, NULL, inode->i_mapping, index);
-
-		if (!IS_ERR(folio))
-			folio_put(folio);
-		else if (num_ra_pages > 1)
-			page_cache_ra_unbounded(&ractl, num_ra_pages, 0);
-		folio = read_mapping_folio(inode->i_mapping, index, NULL);
-		if (IS_ERR(folio))
-			return ERR_CAST(folio);
-	}
-	return folio_file_page(folio, index);
+static void ext4_readahead_merkle_tree(struct inode *inode, pgoff_t index,
+				       unsigned long nr_pages)
+{
+	index += ext4_verity_metadata_pos(inode) >> PAGE_SHIFT;
+	generic_readahead_merkle_tree(inode, index, nr_pages);
 }
 
-static int ext4_write_merkle_tree_block(struct inode *inode, const void *buf,
+static int ext4_write_merkle_tree_block(struct file *file, const void *buf,
 					u64 pos, unsigned int size)
 {
-	pos += ext4_verity_metadata_pos(inode);
+	pos += ext4_verity_metadata_pos(file_inode(file));
 
-	return pagecache_write(inode, buf, size, pos);
+	return pagecache_write(file_inode(file), buf, size, pos);
 }
 
 const struct fsverity_operations ext4_verityops = {
-	.inode_info_offs	= (int)offsetof(struct ext4_inode_info, i_verity_info) -
-				  (int)offsetof(struct ext4_inode_info, vfs_inode),
 	.begin_enable_verity	= ext4_begin_enable_verity,
 	.end_enable_verity	= ext4_end_enable_verity,
 	.get_verity_descriptor	= ext4_get_verity_descriptor,
 	.read_merkle_tree_page	= ext4_read_merkle_tree_page,
+	.readahead_merkle_tree	= ext4_readahead_merkle_tree,
 	.write_merkle_tree_block = ext4_write_merkle_tree_block,
 };