2008-01-25 17:00:18

by Myklebust, Trond

[permalink] [raw]
Subject: [PATCH 010/112] SUNRPC: xprt_autoclose() should not call xprt_disconnect()

The transport layer should do that itself whenever appropriate.

Note that the RDMA transport already assumes that it needs to call
xprt_disconnect in xprt_rdma_close().
For TCP sockets, we want to call xprt_disconnect() only after the
connection has been closed by both ends.

Signed-off-by: Trond Myklebust <[email protected]>
---

net/sunrpc/xprt.c | 1 -
net/sunrpc/xprtsock.c | 3 +--
2 files changed, 1 insertions(+), 3 deletions(-)

diff --git a/net/sunrpc/xprt.c b/net/sunrpc/xprt.c
index 8575bf4..8799b64 100644
--- a/net/sunrpc/xprt.c
+++ b/net/sunrpc/xprt.c
@@ -568,7 +568,6 @@ static void xprt_autoclose(struct work_struct *work)
struct rpc_xprt *xprt =
container_of(work, struct rpc_xprt, task_cleanup);

- xprt_disconnect(xprt);
xprt->ops->close(xprt);
clear_bit(XPRT_CLOSE_WAIT, &xprt->state);
xprt_release_write(xprt, NULL);
diff --git a/net/sunrpc/xprtsock.c b/net/sunrpc/xprtsock.c
index d2151a9..5d0444d 100644
--- a/net/sunrpc/xprtsock.c
+++ b/net/sunrpc/xprtsock.c
@@ -774,10 +774,10 @@ static void xs_close(struct rpc_xprt *xprt)
sock_release(sock);
clear_close_wait:
smp_mb__before_clear_bit();
- clear_bit(XPRT_CONNECTED, &xprt->state);
clear_bit(XPRT_CLOSE_WAIT, &xprt->state);
clear_bit(XPRT_CLOSING, &xprt->state);
smp_mb__after_clear_bit();
+ xprt_disconnect(xprt);
}

/**
@@ -793,7 +793,6 @@ static void xs_destroy(struct rpc_xprt *xprt)

cancel_rearming_delayed_work(&transport->connect_worker);

- xprt_disconnect(xprt);
xs_close(xprt);
xs_free_peer_addresses(xprt);
kfree(xprt->slot);