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| author | Steve French <sfrench@us.ibm.com> | 2005-12-02 21:32:45 (GMT) |
|---|---|---|
| committer | Steve French <sfrench@us.ibm.com> | 2005-12-02 21:32:45 (GMT) |
| commit | 84afc29b185334f489975a003b128e1b15e24a54 (patch) | |
| tree | ab9544be46e3c52fcf799bb9bbf14c0db7b94b37 /fs/cifs/transport.c | |
| parent | bf8206791750854bc6668266b694e8fe2cacb924 (diff) | |
| download | linux-84afc29b185334f489975a003b128e1b15e24a54.tar.xz | |
[CIFS] Readpages and readir performance improvements - eliminate extra
memcpy. Part 1
Signed-off-by: Steve French <sfrench@us.ibm.com>
Diffstat (limited to 'fs/cifs/transport.c')
| -rw-r--r-- | fs/cifs/transport.c | 19 |
1 files changed, 11 insertions, 8 deletions
diff --git a/fs/cifs/transport.c b/fs/cifs/transport.c index f887119..0abfbf4 100644 --- a/fs/cifs/transport.c +++ b/fs/cifs/transport.c @@ -206,7 +206,6 @@ smb_send(struct socket *ssocket, struct smb_hdr *smb_buffer, return rc; } -#ifdef CONFIG_CIFS_EXPERIMENTAL static int smb_send2(struct socket *ssocket, struct kvec *iov, int n_vec, struct sockaddr *sin) @@ -392,8 +391,7 @@ SendReceive2(const unsigned int xid, struct cifsSesInfo *ses, return -ENOMEM; } -/* BB FIXME */ -/* rc = cifs_sign_smb2(iov, n_vec, ses->server, &midQ->sequence_number); */ + rc = cifs_sign_smb2(iov, n_vec, ses->server, &midQ->sequence_number); midQ->midState = MID_REQUEST_SUBMITTED; #ifdef CONFIG_CIFS_STATS2 @@ -492,11 +490,17 @@ SendReceive2(const unsigned int xid, struct cifsSesInfo *ses, if (midQ->resp_buf && (midQ->midState == MID_RESPONSE_RECEIVED)) { + in_buf->smb_buf_length = receive_len; - /* BB verify that length would not overrun small buf */ - memcpy((char *)in_buf + 4, - (char *)midQ->resp_buf + 4, - receive_len); + if(receive_len > 500) { + /* use multiple buffers on way out */ + } else { + memcpy((char *)in_buf + 4, + (char *)midQ->resp_buf + 4, + receive_len); + iov[0].iov_len = receive_len + 4; + iov[1].iov_len = 0; + } dump_smb(in_buf, 80); /* convert the length into a more usable form */ @@ -549,7 +553,6 @@ out_unlock2: return rc; } -#endif /* CIFS_EXPERIMENTAL */ int SendReceive(const unsigned int xid, struct cifsSesInfo *ses, |