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NFS Lands Initial Support For Directory Delegations In Linux 6.19 (www.phoronix.com)

submitted 2 weeks ago by cm0002@suppo.fi to c/linux@programming.dev

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The Network File-System (NFS) client changes were merged today for the Linux 6.19 kernel with the most notable feature addition being initial support for basic directory delegations.

NFS directory delegations allow for an efficiency win by knowing if nobody else modified the directory on the NFS server then there are some re-validation shortcuts than can be subsequently taken by the NFS client. This work was pursued by Oracle to allow for better NFS efficiency when knowing a particular directory hasn't changed from underneath the client. For Linux 6.19 the directory delegation is hooked up for ACCESS, CREATE, UNLINK, and RENAME operations.

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