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Neil Brown contributed more scalability improvements to NFSD's open file cache, and Jeff Layton contributed a menagerie of repairs to NFSD's NFSv4 callback / backchannel implementation. Mike Snitzer contributed a change to NFS re-export support that disables support for file locking on a re-exported NFSv4 mount. This is because NFSv4 state recovery is currently difficult if not impossible for re-exported NFS mounts. The change aims to prevent data integrity exposures after the re-export server crashes. Work continues on the evolving NFSD netlink administrative API. Many thanks to the contributors, reviewers, testers, and bug reporters who participated during the v6.15 development cycle. -----BEGIN PGP SIGNATURE----- iQIzBAABCAAdFiEEKLLlsBKG3yQ88j7+M2qzM29mf5cFAmfmpMIACgkQM2qzM29m f5f6DA/+P0YqoRg3Zk/4oWwXZWbfEOMhWFltT+D1PE2QjUfOZpiwUSFQfsfYgXO6 OFu0iDQ4g8BxBeP6Umv61qy7Cv6n4fVzIHqzymXQvymh9JzoQiXlE9/fA8nAHuiH u7kkNPRi7faBz1sMg/WpN9CHctg7STPOhhG/JrZcSFZnh87mU1i4i4bZBNz8tVnK ZWf483OUuSmJY2/bUTkwvr4GbceTKBlLWFFjiRhfAKvJBWvu4myfC0DI5QzxmsgI MJ62do7AFJP1ww2Ih9LLi2kFIt/yyInSVAgyts1CPhlJ4BfPnTSOw/i2+CuF3D/M bZYEAOjH3AqjBZmq58sIQezpD5f9/TOrTSwYwS31zl/THYE413WiW80/MDoWqo0y 9cSNkD3nJlPVLLCfF58vXLoe7wpLoN/ZbTdxoozzUWEFR5A4Jz3XP8F/Cws0cjem uWWAQMItiQpg1+RYJYfu4dg5+iN6dbgYbvzlr7buISwFNXi3Zo99MkJ4wHj9TJbL Tpjth1rWGPwwSOMT6ojKiYMq1oUzx5PuAm9Saq9oIzQAbBySmxHF/LSDz3wEuBoO MK1jzKroEmMk3fJOOAajSDLOdAbL3vfj6H/xi2IHvKnaz9yHCZNu2YGV05BBMprd hWePf69AO5Ky5Q9KuGClEtwvJ9ZR5pb4DO2dqaYu8ximu3O4vPo= =e2E2 -----END PGP SIGNATURE----- Merge tag 'nfsd-6.15' of git://git.kernel.org/pub/scm/linux/kernel/git/cel/linux Pull nfsd updates from Chuck Lever: "Neil Brown contributed more scalability improvements to NFSD's open file cache, and Jeff Layton contributed a menagerie of repairs to NFSD's NFSv4 callback / backchannel implementation. Mike Snitzer contributed a change to NFS re-export support that disables support for file locking on a re-exported NFSv4 mount. This is because NFSv4 state recovery is currently difficult if not impossible for re-exported NFS mounts. The change aims to prevent data integrity exposures after the re-export server crashes. Work continues on the evolving NFSD netlink administrative API. Many thanks to the contributors, reviewers, testers, and bug reporters who participated during the v6.15 development cycle" * tag 'nfsd-6.15' of git://git.kernel.org/pub/scm/linux/kernel/git/cel/linux: (45 commits) NFSD: Add a Kconfig setting to enable delegated timestamps sysctl: Fixes nsm_local_state bounds nfsd: use a long for the count in nfsd4_state_shrinker_count() nfsd: remove obsolete comment from nfs4_alloc_stid nfsd: remove unneeded forward declaration of nfsd4_mark_cb_fault() nfsd: reorganize struct nfs4_delegation for better packing nfsd: handle errors from rpc_call_async() nfsd: move cb_need_restart flag into cb_flags nfsd: replace CB_GETATTR_BUSY with NFSD4_CALLBACK_RUNNING nfsd: eliminate cl_ra_cblist and NFSD4_CLIENT_CB_RECALL_ANY nfsd: prevent callback tasks running concurrently nfsd: disallow file locking and delegations for NFSv4 reexport nfsd: filecache: drop the list_lru lock during lock gc scans nfsd: filecache: don't repeatedly add/remove files on the lru list nfsd: filecache: introduce NFSD_FILE_RECENT nfsd: filecache: use list_lru_walk_node() in nfsd_file_gc() nfsd: filecache: use nfsd_file_dispose_list() in nfsd_file_close_inode_sync() NFSD: Re-organize nfsd_file_gc_worker() nfsd: filecache: remove race handling. fs: nfs: acl: Avoid -Wflex-array-member-not-at-end warning ...