diff options
| author | Trond Myklebust <Trond.Myklebust@netapp.com> | 2012-09-11 17:21:25 -0400 |
|---|---|---|
| committer | Trond Myklebust <Trond.Myklebust@netapp.com> | 2012-09-28 16:03:05 -0400 |
| commit | d19751e7b9bd8a01d00372325439589886674f79 (patch) | |
| tree | 71ea849e8dc6021a455f2de1a76601e8db2255c7 /net/sunrpc/xprt.c | |
| parent | dcfc4f25461813e8a2dd43b052aa1e0be155742f (diff) | |
| download | op-kernel-dev-d19751e7b9bd8a01d00372325439589886674f79.zip op-kernel-dev-d19751e7b9bd8a01d00372325439589886674f79.tar.gz | |
SUNRPC: Get rid of the redundant xprt->shutdown bit field
It is only set after everyone has dereferenced the transport,
and serves no useful purpose: setting it is racy, so all the
socket code, etc still needs to be able to cope with the cases
where they miss reading it.
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'net/sunrpc/xprt.c')
| -rw-r--r-- | net/sunrpc/xprt.c | 8 |
1 files changed, 2 insertions, 6 deletions
diff --git a/net/sunrpc/xprt.c b/net/sunrpc/xprt.c index 5d7f61d..bd462a5 100644 --- a/net/sunrpc/xprt.c +++ b/net/sunrpc/xprt.c @@ -231,7 +231,7 @@ EXPORT_SYMBOL_GPL(xprt_reserve_xprt); static void xprt_clear_locked(struct rpc_xprt *xprt) { xprt->snd_task = NULL; - if (!test_bit(XPRT_CLOSE_WAIT, &xprt->state) || xprt->shutdown) { + if (!test_bit(XPRT_CLOSE_WAIT, &xprt->state)) { smp_mb__before_clear_bit(); clear_bit(XPRT_LOCKED, &xprt->state); smp_mb__after_clear_bit(); @@ -504,9 +504,6 @@ EXPORT_SYMBOL_GPL(xprt_wait_for_buffer_space); */ void xprt_write_space(struct rpc_xprt *xprt) { - if (unlikely(xprt->shutdown)) - return; - spin_lock_bh(&xprt->transport_lock); if (xprt->snd_task) { dprintk("RPC: write space: waking waiting task on " @@ -679,7 +676,7 @@ xprt_init_autodisconnect(unsigned long data) struct rpc_xprt *xprt = (struct rpc_xprt *)data; spin_lock(&xprt->transport_lock); - if (!list_empty(&xprt->recv) || xprt->shutdown) + if (!list_empty(&xprt->recv)) goto out_abort; if (test_and_set_bit(XPRT_LOCKED, &xprt->state)) goto out_abort; @@ -1262,7 +1259,6 @@ out: static void xprt_destroy(struct rpc_xprt *xprt) { dprintk("RPC: destroying transport %p\n", xprt); - xprt->shutdown = 1; del_timer_sync(&xprt->timer); rpc_destroy_wait_queue(&xprt->binding); |
