Message ID | CAH2r5mtk36dm00uH+Y0bYu0c6J_k7LcEQUBa2H0SLEX4RLXUPg@mail.gmail.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show |
Series | [SMB3] add dynamic trace point for debugging lease break not found | expand |
LGTM Acked-by me On Thu, 19 May 2022 at 07:35, Steve French <smfrench@gmail.com> wrote: > > Looks like we don't have a dynamic trace point to catch the case where > the server sends a lease break we don't recognize. Attached is a WIP > patch for doing this. Thoughts? > > > > -- > Thanks, > > Steve
diff --git a/fs/cifs/smb2misc.c b/fs/cifs/smb2misc.c index 3fe47a88f47d..6f049da5a8c1 100644 --- a/fs/cifs/smb2misc.c +++ b/fs/cifs/smb2misc.c @@ -656,6 +656,9 @@ smb2_is_valid_lease_break(char *buffer) } spin_unlock(&cifs_tcp_ses_lock); cifs_dbg(FYI, "Can not process lease break - no lease matched\n"); + trace_smb3_lease_not_found(le32_to_cpu(rsp->CurrentLeaseState), le32_to_cpu(rsp->hdr.Id.SyncId.TreeId), + le64_to_cpu(rsp->hdr.SessionId), *((u64 *)rsp->LeaseKey), *((u64 *)&rsp->LeaseKey[8])); + return false; } diff --git a/fs/cifs/trace.h b/fs/cifs/trace.h index bc279616c513..09d3dfed86d9 100644 --- a/fs/cifs/trace.h +++ b/fs/cifs/trace.h @@ -814,6 +814,7 @@ DEFINE_EVENT(smb3_lease_done_class, smb3_##name, \ TP_ARGS(lease_state, tid, sesid, lease_key_low, lease_key_high)) DEFINE_SMB3_LEASE_DONE_EVENT(lease_done); +DEFINE_SMB3_LEASE_DONE_EVENT(lease_not_found); DECLARE_EVENT_CLASS(smb3_lease_err_class, TP_PROTO(__u32 lease_state,