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| author | Steve French <stfrench@microsoft.com> | 2022-05-22 00:41:41 -0500 |
|---|---|---|
| committer | Steve French <stfrench@microsoft.com> | 2022-05-22 00:46:08 -0500 |
| commit | 35a2b533a261e2e43542df902bd9757a1deebfd5 (patch) | |
| tree | 8c5f21f25f53651ca6181ad0f173f27441327286 /fs/cifs/smb2misc.c | |
| parent | 2b058acecf56f6b8fac781911a683219b9ca3b7b (diff) | |
| download | lwn-35a2b533a261e2e43542df902bd9757a1deebfd5.tar.gz lwn-35a2b533a261e2e43542df902bd9757a1deebfd5.zip | |
smb3: add trace point for oplock not found
In order to debug problems with server potentially
sending us an oplock that we don't recognize (or a race
with close and oplock break) it would be helpful to have
a dynamic trace point for this case. New tracepoint
is called trace_smb3_oplock_not_found
Signed-off-by: Steve French <stfrench@microsoft.com>
Diffstat (limited to 'fs/cifs/smb2misc.c')
| -rw-r--r-- | fs/cifs/smb2misc.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/fs/cifs/smb2misc.c b/fs/cifs/smb2misc.c index f236beaff96d..17813c3d0c6e 100644 --- a/fs/cifs/smb2misc.c +++ b/fs/cifs/smb2misc.c @@ -732,6 +732,10 @@ smb2_is_valid_oplock_break(char *buffer, struct TCP_Server_Info *server) } spin_unlock(&cifs_tcp_ses_lock); cifs_dbg(FYI, "No file id matched, oplock break ignored\n"); + trace_smb3_oplock_not_found(0 /* no xid */, rsp->PersistentFid, + le32_to_cpu(rsp->hdr.Id.SyncId.TreeId), + le64_to_cpu(rsp->hdr.SessionId)); + return true; } |