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Sun, 18 Feb 2024 18:15:19 -0800 (PST) Precedence: bulk X-Mailing-List: linux-nfs@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 From: Dan Shelton Date: Mon, 19 Feb 2024 03:14:52 +0100 Message-ID: Subject: Understanding NFSv4 client attribute caching To: Linux NFS Mailing List Content-Type: text/plain; charset="UTF-8" Hello! I just try to understand NFSv4 client-side attribute caching, if I do a nfs4client_setattr(), which attribute values can be updated in the clients cache, and which should be invalidated, and then reloaded from the server? For example if I do a nfs4client_setattr(FATTR4_WORD1_OWNER, "myusr1@mydom"): Can I cache "myusr1@mydom" as the new user on the client side on success, or should I invalidate the cache, because maybe the idmapd on the server changed the user name, or exports all_squash option squashed the user name to nobody? Dan -- Dan Shelton - Cluster Specialist Win/Lin/Bsd