NFS Client Changes For Linux 5.15 Bring Connection Sharing, Better Responsiveness
Written by Michael Larabel in Linux Storage on 3 September 2021 at 05:19 AM EDT. 13 Comments
LINUX STORAGE --
While Linux 5.15 has added KSMBD as an SMB3 in-kernel file server, the NFS code within the Linux kernel continues advancing as well for network file sharing needs. With NFS in Linux 5.15 are a few notable improvements.

The NFS client changes were sent out on Thursday for Linux 5.15 and includes better client responsiveness for when the server isn't replying. But the main notable addition now is support for connection sharing between servers with multiple NICs. As part of this is a new "max_connect" mount option for controlling the number of transports that the client can establish with a distinct address. The default max_connect value is 1 but can allow up to 16 connections, hardware permitting.

The NFS client changes for Linux 5.15 also include a number of fixes and other low-level enhancements. More details on the NFS client work this cycle via this pull request.
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Michael Larabel is the principal author of Phoronix.com and founded the site in 2004 with a focus on enriching the Linux hardware experience. Michael has written more than 20,000 articles covering the state of Linux hardware support, Linux performance, graphics drivers, and other topics. Michael is also the lead developer of the Phoronix Test Suite, Phoromatic, and OpenBenchmarking.org automated benchmarking software. He can be followed via Twitter or contacted via MichaelLarabel.com.

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