fix bug in mkf2fs tool calculation of f2fs filesystem length

diff --git a/f2fs_utils/f2fs_utils.c b/f2fs_utils/f2fs_utils.c
index 4c92622..6254c08 100644 (file)
--- a/f2fs_utils/f2fs_utils.c
+++ b/f2fs_utils/f2fs_utils.c
@@ -65,7 +65,7 @@ int make_f2fs_sparse_fd(int fd, long long len,
        }
        reset_f2fs_info();
        f2fs_init_configuration(&config);
-       len &= ~((__u64)F2FS_BLKSIZE);
+       len &= ~((__u64)(F2FS_BLKSIZE - 1));
        config.total_sectors = len / config.sector_size;
        config.start_sector = 0;
        f2fs_sparse_file = sparse_file_new(F2FS_BLKSIZE, len);