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By Zayden R., June 25, 2026
Linux 7.2 will feature SMB2 compression support in KSMBD, enhancing this in-kernel SMB3 server. This update offers improved file transfer efficiency, a welcome addition for system administrators.
KSMBD, the in-kernel SMB3 file server introduced with Linux 5.15, is set to receive a noteworthy update in the upcoming Linux 7.2 release. The inclusion of SMB2 compression support marks a significant enhancement, aimed at improving file transfer efficiency across networks. This update is particularly beneficial for administrators seeking to optimize network performance without the overhead of additional software.
The introduction of SMB2 compression allows for reduced data size during transmission, potentially increasing speed and reducing bandwidth usage. This feature is essential for environments where network resources are at a premium or where large files are frequently moved across the network. KSMBD's new capabilities align with the ongoing trend of integrating more features directly into the kernel, minimizing the need for external dependencies.
For those unfamiliar, KSMBD was first merged into the kernel back in 2021 with Linux 5.15. It was designed to provide a lightweight and performant alternative to user-space SMB servers. While development news around KSMBD has been relatively quiet since its initial release, this SMB2 compression support is a solid improvement that should not go unnoticed.
System administrators and network engineers will find this update particularly useful. It simplifies the process of enabling compression, which previously required third-party solutions or complex configurations. By embedding this functionality directly into the kernel, Linux continues to streamline operations for its users, reinforcing its reputation for efficiency and reliability.
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