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| author | Steve French | 2018-09-29 02:44:23 +0200 |
|---|---|---|
| committer | Steve French | 2018-10-24 04:16:05 +0200 |
| commit | 179e44d49c2f6f4e90479f0a98d896e415742c96 (patch) | |
| tree | efd0ee0b7802aad9d2772c30c17808546ec73836 /fs/cifs/smb2pdu.c | |
| parent | cifs: do not return atime less than mtime (diff) | |
| download | kernel-qcow2-linux-179e44d49c2f6f4e90479f0a98d896e415742c96.tar.gz kernel-qcow2-linux-179e44d49c2f6f4e90479f0a98d896e415742c96.tar.xz kernel-qcow2-linux-179e44d49c2f6f4e90479f0a98d896e415742c96.zip | |
smb3: add tracepoint for sending lease break responses to server
Be able to log a ftrace message on success and/or failure of
sending a lease break response to the server.
Example output:
TASK-PID CPU# |||| TIMESTAMP FUNCTION
| | | |||| | |
kworker/1:1-5681 [001] .... 11123.530457: smb3_lease_done: sid=0x291e3e0f tid=0x8ba43071 lease_key=0x1852ca0d3ecd9b55847750a86716fde lease_state=0x0
Signed-off-by: Steve French <stfrench@microsoft.com>
Reviewed-by: Aurelien Aptel <aaptel@suse.com>
Diffstat (limited to 'fs/cifs/smb2pdu.c')
| -rw-r--r-- | fs/cifs/smb2pdu.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/fs/cifs/smb2pdu.c b/fs/cifs/smb2pdu.c index 5f1d9994fd7a..3d331db65785 100644 --- a/fs/cifs/smb2pdu.c +++ b/fs/cifs/smb2pdu.c @@ -4277,6 +4277,8 @@ SMB2_lease_break(const unsigned int xid, struct cifs_tcon *tcon, struct kvec iov[1]; struct kvec rsp_iov; int resp_buf_type; + __u64 *please_key_high; + __u64 *please_key_low; cifs_dbg(FYI, "SMB2_lease_break\n"); rc = smb2_plain_req_init(SMB2_OPLOCK_BREAK, tcon, (void **) &req, @@ -4306,10 +4308,16 @@ SMB2_lease_break(const unsigned int xid, struct cifs_tcon *tcon, rc = cifs_send_recv(xid, ses, &rqst, &resp_buf_type, flags, &rsp_iov); cifs_small_buf_release(req); + please_key_low = (__u64 *)req->LeaseKey; + please_key_high = (__u64 *)(req->LeaseKey+8); if (rc) { cifs_stats_fail_inc(tcon, SMB2_OPLOCK_BREAK_HE); + trace_smb3_lease_err(le32_to_cpu(lease_state), tcon->tid, + ses->Suid, *please_key_low, *please_key_high, rc); cifs_dbg(FYI, "Send error in Lease Break = %d\n", rc); - } + } else + trace_smb3_lease_done(le32_to_cpu(lease_state), tcon->tid, + ses->Suid, *please_key_low, *please_key_high); return rc; } |