f2fs: fix to support .migrate_folio for compressed inode

Add missed .migrate_folio for compressed inode, in order to support
migration of compressed inode's page.
Signed-off-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>

fs/f2fs/compress.c

@@ -1813,6 +1813,7 @@ unsigned int f2fs_cluster_blocks_are_contiguous(struct dnode_of_data *dn)
 const struct address_space_operations f2fs_compress_aops = {
 	.release_folio = f2fs_release_folio,
 	.invalidate_folio = f2fs_invalidate_folio,
+	.migrate_folio	= filemap_migrate_folio,
 };
 
 struct address_space *COMPRESS_MAPPING(struct f2fs_sb_info *sbi)