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| author | Steve French <sfrench@us.ibm.com> | 2005-10-07 18:51:05 +0200 |
|---|---|---|
| committer | Steve French <sfrench@us.ibm.com> | 2005-10-07 18:51:05 +0200 |
| commit | 131afd0b748e382c3a00355d3fa245801f929298 (patch) | |
| tree | 1581222aa48c6610877b3cc3bd5a4d275a6a68cd /fs/cifs/transport.c | |
| parent | [CIFS] cleanup sparse and compile errors in previous fix (diff) | |
| download | linux-131afd0b748e382c3a00355d3fa245801f929298.tar.xz linux-131afd0b748e382c3a00355d3fa245801f929298.zip | |
[CIFS] /proc/fs/cifs debug code cleanup and new stats2
These changes to debug code and new stats are helpful in
debugging potential tcp performance/configuration problems under cifs.
Signed-off-by: Steve French <sfrench@us.ibm.com>
Diffstat (limited to 'fs/cifs/transport.c')
| -rw-r--r-- | fs/cifs/transport.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/fs/cifs/transport.c b/fs/cifs/transport.c index c86b7077b92f..893a6fef9853 100644 --- a/fs/cifs/transport.c +++ b/fs/cifs/transport.c @@ -307,9 +307,15 @@ SendReceive2(const unsigned int xid, struct cifsSesInfo *ses, if(atomic_read(&ses->server->inFlight) >= cifs_max_pending){ spin_unlock(&GlobalMid_Lock); +#ifdef CONFIG_CIFS_STATS2 + atomic_inc(&ses->server->num_waiters); +#endif wait_event(ses->server->request_q, atomic_read(&ses->server->inFlight) < cifs_max_pending); +#ifdef CONFIG_CIFS_STATS2 + atomic_dec(&ses->server->num_waiters); +#endif spin_lock(&GlobalMid_Lock); } else { if(ses->server->tcpStatus == CifsExiting) { @@ -365,8 +371,14 @@ SendReceive2(const unsigned int xid, struct cifsSesInfo *ses, /* rc = cifs_sign_smb2(iov, n_vec, ses->server, &midQ->sequence_number); */ midQ->midState = MID_REQUEST_SUBMITTED; +#ifdef CONFIG_CIFS_STATS2 + atomic_inc(&ses->server->inSend); +#endif rc = smb_send2(ses->server->ssocket, iov, n_vec, (struct sockaddr *) &(ses->server->addr.sockAddr)); +#ifdef CONFIG_CIFS_STATS2 + atomic_dec(&ses->server->inSend); +#endif if(rc < 0) { DeleteMidQEntry(midQ); up(&ses->server->tcpSem); @@ -546,9 +558,15 @@ SendReceive(const unsigned int xid, struct cifsSesInfo *ses, if(atomic_read(&ses->server->inFlight) >= cifs_max_pending){ spin_unlock(&GlobalMid_Lock); +#ifdef CONFIG_CIFS_STATS2 + atomic_inc(&ses->server->num_waiters); +#endif wait_event(ses->server->request_q, atomic_read(&ses->server->inFlight) < cifs_max_pending); +#ifdef CONFIG_CIFS_STATS2 + atomic_dec(&ses->server->num_waiters); +#endif spin_lock(&GlobalMid_Lock); } else { if(ses->server->tcpStatus == CifsExiting) { @@ -617,8 +635,14 @@ SendReceive(const unsigned int xid, struct cifsSesInfo *ses, rc = cifs_sign_smb(in_buf, ses->server, &midQ->sequence_number); midQ->midState = MID_REQUEST_SUBMITTED; +#ifdef CONFIG_CIFS_STATS2 + atomic_inc(&ses->server->inSend); +#endif rc = smb_send(ses->server->ssocket, in_buf, in_buf->smb_buf_length, (struct sockaddr *) &(ses->server->addr.sockAddr)); +#ifdef CONFIG_CIFS_STATS2 + atomic_dec(&ses->server->inSend); +#endif if(rc < 0) { DeleteMidQEntry(midQ); up(&ses->server->tcpSem); |