diff options
| author | Mike Christie <michaelc@cs.wisc.edu> | 2010-02-10 16:51:47 -0600 |
|---|---|---|
| committer | James Bottomley <James.Bottomley@suse.de> | 2010-02-17 13:40:16 -0600 |
| commit | b64e77f70b8c11766e967e3485331a9e6ef01390 (patch) | |
| tree | e0c0c6c935b2d7623d962d7f5984ecfc1420f8d2 | |
| parent | 9f9127fd0cfac1ccbcf4a9456b3d36bc6971355e (diff) | |
| download | linux-b64e77f70b8c11766e967e3485331a9e6ef01390.tar.bz2 | |
[SCSI] iscsi_tcp: wake xmit thread when killing session
If the connection is bad, then the xmit thread could
end up waiting a long time (up to sendtmeo seconds) in
tcp_sendpage. This patch has us set the sk_error and
wake up the xmit thread so we can quickly fail.
Signed-off-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
| -rw-r--r-- | drivers/scsi/iscsi_tcp.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/scsi/iscsi_tcp.c b/drivers/scsi/iscsi_tcp.c index 517da3fd89d3..8a89ba900588 100644 --- a/drivers/scsi/iscsi_tcp.c +++ b/drivers/scsi/iscsi_tcp.c @@ -584,9 +584,10 @@ static void iscsi_sw_tcp_conn_stop(struct iscsi_cls_conn *cls_conn, int flag) struct iscsi_conn *conn = cls_conn->dd_data; struct iscsi_tcp_conn *tcp_conn = conn->dd_data; struct iscsi_sw_tcp_conn *tcp_sw_conn = tcp_conn->dd_data; + struct socket *sock = tcp_sw_conn->sock; /* userspace may have goofed up and not bound us */ - if (!tcp_sw_conn->sock) + if (!sock) return; /* * Make sure our recv side is stopped. @@ -597,6 +598,11 @@ static void iscsi_sw_tcp_conn_stop(struct iscsi_cls_conn *cls_conn, int flag) set_bit(ISCSI_SUSPEND_BIT, &conn->suspend_rx); write_unlock_bh(&tcp_sw_conn->sock->sk->sk_callback_lock); + if (sock->sk->sk_sleep && waitqueue_active(sock->sk->sk_sleep)) { + sock->sk->sk_err = EIO; + wake_up_interruptible(sock->sk->sk_sleep); + } + iscsi_conn_stop(cls_conn, flag); iscsi_sw_tcp_release_conn(conn); } |