diff options
| author | Steve French <stfrench@microsoft.com> | 2019-02-26 21:26:20 -0600 |
|---|---|---|
| committer | Steve French <stfrench@microsoft.com> | 2019-03-05 18:10:13 -0600 |
| commit | 53a3e0d96c708bca1607507ab2470a3c911c8c81 (patch) | |
| tree | e3616cb3f75465ca70ed9aa04bdb26bc8fd76de5 /fs/cifs/smb2transport.c | |
| parent | efe2e9f369c72bb72410741ac101b90573256ec0 (diff) | |
| download | lwn-53a3e0d96c708bca1607507ab2470a3c911c8c81.tar.gz lwn-53a3e0d96c708bca1607507ab2470a3c911c8c81.zip | |
smb3: add dynamic trace point for smb3_cmd_enter
Add tracepoint before sending an SMB3 command on the wire (ie add
an smb3_cmd_enter tracepoint). This allows us to look in much
more detail at response times (between request and response).
Signed-off-by: Steve French <stfrench@microsoft.com>
Reviewed-by: Pavel Shilovsky <pshilov@microsoft.com>
Diffstat (limited to 'fs/cifs/smb2transport.c')
| -rw-r--r-- | fs/cifs/smb2transport.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/fs/cifs/smb2transport.c b/fs/cifs/smb2transport.c index 63264db78b89..fa1fec2e3c8d 100644 --- a/fs/cifs/smb2transport.c +++ b/fs/cifs/smb2transport.c @@ -602,6 +602,8 @@ smb2_mid_entry_alloc(const struct smb2_sync_hdr *shdr, atomic_inc(&midCount); temp->mid_state = MID_REQUEST_ALLOCATED; + trace_smb3_cmd_enter(shdr->TreeId, shdr->SessionId, + le16_to_cpu(shdr->Command), temp->mid); return temp; } @@ -636,6 +638,7 @@ smb2_get_mid_entry(struct cifs_ses *ses, struct smb2_sync_hdr *shdr, spin_lock(&GlobalMid_Lock); list_add_tail(&(*mid)->qhead, &ses->server->pending_mid_q); spin_unlock(&GlobalMid_Lock); + return 0; } |