diff options
| author | J. Bruce Fields <bfields@citi.umich.edu> | 2009-06-16 03:08:07 +0200 |
|---|---|---|
| committer | J. Bruce Fields <bfields@citi.umich.edu> | 2009-06-16 03:08:07 +0200 |
| commit | 7eef4091a653c243a87e5375c54504cc03bec4d8 (patch) | |
| tree | f65b77f830b2c8f7d014512badfef5df0d591ee9 /net/sunrpc/xprtsock.c | |
| parent | NFSv4: kill off complicated macro 'PROC' (diff) | |
| parent | Linux 2.6.30 (diff) | |
| download | linux-7eef4091a653c243a87e5375c54504cc03bec4d8.tar.xz linux-7eef4091a653c243a87e5375c54504cc03bec4d8.zip | |
Merge commit 'v2.6.30' into for-2.6.31
Diffstat (limited to 'net/sunrpc/xprtsock.c')
| -rw-r--r-- | net/sunrpc/xprtsock.c | 26 |
1 files changed, 21 insertions, 5 deletions
diff --git a/net/sunrpc/xprtsock.c b/net/sunrpc/xprtsock.c index d40ff50887aa..e18596146013 100644 --- a/net/sunrpc/xprtsock.c +++ b/net/sunrpc/xprtsock.c @@ -807,6 +807,9 @@ static void xs_reset_transport(struct sock_xprt *transport) * * This is used when all requests are complete; ie, no DRC state remains * on the server we want to save. + * + * The caller _must_ be holding XPRT_LOCKED in order to avoid issues with + * xs_reset_transport() zeroing the socket from underneath a writer. */ static void xs_close(struct rpc_xprt *xprt) { @@ -824,6 +827,14 @@ static void xs_close(struct rpc_xprt *xprt) xprt_disconnect_done(xprt); } +static void xs_tcp_close(struct rpc_xprt *xprt) +{ + if (test_and_clear_bit(XPRT_CONNECTION_CLOSE, &xprt->state)) + xs_close(xprt); + else + xs_tcp_shutdown(xprt); +} + /** * xs_destroy - prepare to shutdown a transport * @xprt: doomed transport @@ -1772,6 +1783,15 @@ static void xs_tcp_setup_socket(struct rpc_xprt *xprt, xprt, -status, xprt_connected(xprt), sock->sk->sk_state); switch (status) { + default: + printk("%s: connect returned unhandled error %d\n", + __func__, status); + case -EADDRNOTAVAIL: + /* We're probably in TIME_WAIT. Get rid of existing socket, + * and retry + */ + set_bit(XPRT_CONNECTION_CLOSE, &xprt->state); + xprt_force_disconnect(xprt); case -ECONNREFUSED: case -ECONNRESET: case -ENETUNREACH: @@ -1782,10 +1802,6 @@ static void xs_tcp_setup_socket(struct rpc_xprt *xprt, xprt_clear_connecting(xprt); return; } - /* get rid of existing socket, and retry */ - xs_tcp_shutdown(xprt); - printk("%s: connect returned unhandled error %d\n", - __func__, status); out_eagain: status = -EAGAIN; out: @@ -1994,7 +2010,7 @@ static struct rpc_xprt_ops xs_tcp_ops = { .buf_free = rpc_free, .send_request = xs_tcp_send_request, .set_retrans_timeout = xprt_set_retrans_timeout_def, - .close = xs_tcp_shutdown, + .close = xs_tcp_close, .destroy = xs_destroy, .print_stats = xs_tcp_print_stats, }; |