Linux 7.1 update brings new in-kernel NTFS driver for improved storage support April 26, 2026 Linux 7.1 introduces a significant advancement in storage compatibility with the inclusion of a new in-kernel NTFS driver, marking a major step forward for users who rely on seamless access to Windows-formatted drives. This development replaces older, less integrated solutions with a modern, kernel-native implementation designed for better performance, reliability and maintainability. The new NTFS driver, spearheaded by developer Namjae Jeon, represents a complete rework of NTFS support within the Linux kernel. Unlike previous implementations such as NTFS-3G—which operates in userspace via FUSE—or the earlier NTFS3 driver, this new driver is built directly into the kernel using contemporary Linux filesystem infrastructure. It leverages technologies like iomap for high-performance I/O operations, folio-based memory management, and delayed allocation to improve write efficiency. Crucially, it removes outdated buffer_head code, aligning NTFS handling with modern standards used by filesystems such as XFS and ext4. One of the key motivations behind the new driver is code quality and long-term maintainability. By writing clean, thoroughly commented code that follows current kernel practices, the driver ensures that future developers can easily understand and maintain it—even decades from now. This focus on sustainability addresses a persistent challenge in open-source projects where legacy code becomes difficult to manage over time. Early testing has already led to several fixes being merged ahead of the Linux 7.1-rc1 release. These include resolving potential data leakage by zeroing unused portions of straddle blocks during attribute reads, correcting writable checks for shared memory mappings, and improving memory allocation methods to prevent page alignment bugs. A size check was also added before processing large attributes to avoid excessive memory consumption. Although performance gains may not be dramatic compared to existing in-kernel NTFS support, the real value lies in the driver’s integration with the kernel’s core I/O subsystem. By treating NTFS as a first-class filesystem rather than a compatibility layer, Linux achieves more consistent behavior, improved stability, and better support for advanced features like memory-mapped I/O and direct access (ODIRECT). The driver remains optional in Linux 7.1, allowing users to enable it based on their needs. For dual-boot users and professionals who frequently exchange data between Windows and Linux systems, this update eliminates one of the longstanding headaches of cross-platform storage access. No longer must users rely on slow userspace drivers or worry about inconsistent behavior when reading or writing NTFS volumes from Linux. As Linux continues to evolve, improvements like this underscore the project’s commitment to practical, user-focused advancements. The new NTFS driver in Linux 7.1 is not just about reading Windows drives—it’s about delivering a robust, future-ready storage experience that meets the demands of modern computing environments. Sources: [1] Phoronix – New NTFS Driver Sees A Number Of Fixes Ahead Of Linux 7.1-rc1 [2] Tom’s Hardware – Linux 7.1 update includes new in-kernel NTFS driver [3] The Register – Linux 7.1 will have an optional new NTFS driver [4] Adafruit Blog – The Linux 7.1 update includes a new speedy NTFS driver
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