This is a note to let you know that I've just added the patch titled NFSD: Trace stateids returned via DELEGRETURN to the 6.1-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: nfsd-trace-stateids-returned-via-delegreturn.patch and it can be found in the queue-6.1 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. >From 8bf3a8b39dca377e31a2fb35c6166bcd09e4c614 Mon Sep 17 00:00:00 2001 From: Chuck Lever <chuck.lever@xxxxxxxxxx> Date: Fri, 28 Oct 2022 10:47:03 -0400 Subject: NFSD: Trace stateids returned via DELEGRETURN From: Chuck Lever <chuck.lever@xxxxxxxxxx> [ Upstream commit 20eee313ff4b8a7e71ae9560f5c4ba27cd763005 ] Handing out a delegation stateid is recorded with the nfsd_deleg_read tracepoint, but there isn't a matching tracepoint for recording when the stateid is returned. Signed-off-by: Chuck Lever <chuck.lever@xxxxxxxxxx> Reviewed-by: Jeff Layton <jlayton@xxxxxxxxxx> Signed-off-by: Chuck Lever <chuck.lever@xxxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- fs/nfsd/nfs4state.c | 1 + fs/nfsd/trace.h | 1 + 2 files changed, 2 insertions(+) --- a/fs/nfsd/nfs4state.c +++ b/fs/nfsd/nfs4state.c @@ -6935,6 +6935,7 @@ nfsd4_delegreturn(struct svc_rqst *rqstp if (status) goto put_stateid; + trace_nfsd_deleg_return(stateid); wake_up_var(d_inode(cstate->current_fh.fh_dentry)); destroy_delegation(dp); put_stateid: --- a/fs/nfsd/trace.h +++ b/fs/nfsd/trace.h @@ -604,6 +604,7 @@ DEFINE_STATEID_EVENT(layout_recall_relea DEFINE_STATEID_EVENT(open); DEFINE_STATEID_EVENT(deleg_read); +DEFINE_STATEID_EVENT(deleg_return); DEFINE_STATEID_EVENT(deleg_recall); DECLARE_EVENT_CLASS(nfsd_stateseqid_class, Patches currently in stable-queue which might be from chuck.lever@xxxxxxxxxx are queue-6.1/nfsd-refactor-find_file.patch queue-6.1/nfsd-register-unregister-of-nfsd-client-shrinker-at-nfsd-startup-shutdown-time.patch queue-6.1/nfsd-refactoring-courtesy_client_reaper-to-a-generic-low-memory-shrinker.patch queue-6.1/lockd-use-locks_inode_context-helper.patch queue-6.1/nfsd-remove-redundant-assignment-to-variable-host_err.patch queue-6.1/nfsd-use-set_bit-rq_dropme.patch queue-6.1/nfsd-ignore-requests-to-disable-unsupported-versions.patch queue-6.1/nfsd-fix-licensing-header-in-filecache.c.patch queue-6.1/nfsd-add-delegation-reaper-to-react-to-low-memory-condition.patch queue-6.1/nfsd-trace-stateids-returned-via-delegreturn.patch queue-6.1/lockd-ensure-we-use-the-correct-file-descriptor-when-unlocking.patch queue-6.1/trace-relocate-event-helper-files.patch queue-6.1/nfsd-update-file_hashtbl-helpers.patch queue-6.1/nfsd-clean-up-nfs4_preprocess_stateid_op-call-sites.patch queue-6.1/nfsd-don-t-destroy-global-nfs4_file-table-in-per-net-shutdown.patch queue-6.1/nfsd-use-only-rq_dropme-to-signal-the-need-to-drop-a-reply.patch queue-6.1/nfsd-use-locks_inode_context-helper.patch queue-6.1/nfsd-use-struct_size-helper-in-alloc_session.patch queue-6.1/nfsd-fix-up-the-filecache-laundrette-scheduling.patch queue-6.1/nfsd-move-nfserrno-to-vfs.c.patch queue-6.1/exportfs-use-pr_debug-for-unreachable-debug-statements.patch queue-6.1/nfsd-use-const-pointers-as-parameters-to-fh_-helpers.patch queue-6.1/nfsd-use-rhashtable-for-managing-nfs4_file-objects.patch queue-6.1/nfsd-clean-up-nfsd4_init_file.patch queue-6.1/nfsd-add-a-nfsd4_file_hash_remove-helper.patch queue-6.1/nfsd-simplify-read_plus.patch queue-6.1/nfsd-trace-delegation-revocations.patch queue-6.1/nfsd-allow-disabling-nfsv2-at-compile-time.patch queue-6.1/nfsd-flesh-out-a-documenting-comment-for-filecache.c.patch queue-6.1/nfsd-replace-delayed_work-with-work_struct-for-nfsd_client_shrinker.patch queue-6.1/lockd-set-missing-fl_flags-field-when-retrieving-args.patch queue-6.1/filelock-add-a-new-locks_inode_context-accessor-function.patch queue-6.1/nfsd-add-support-for-sending-cb_recall_any.patch queue-6.1/lockd-fix-file-selection-in-nlmsvc_cancel_blocked.patch queue-6.1/nfsd-add-cb_recall_any-tracepoints.patch queue-6.1/nfsd-avoid-clashing-function-prototypes.patch queue-6.1/nfsd-clean-up-find_or_add_file.patch