diff options
| author |   Trond Myklebust <trond.myklebust@primarydata.com> | 2017-08-16 12:09:44 -0400 |
|---|---|---|
| committer | Trond Myklebust <trond.myklebust@primarydata.com> | 2017-08-16 15:10:16 -0400 |
| commit | c89091c88db768e3d28992023ca2cff6636c402b (patch) | |
| tree | 9fe11fd3840b6b4b5e4f9f554973b34f187a73e5 /net/sunrpc/xprtsock.c | |
| parent | SUNRPC: Don't hold the transport lock across socket copy operations (diff) | |
| download | linux-dev-c89091c88db768e3d28992023ca2cff6636c402b.tar.xz linux-dev-c89091c88db768e3d28992023ca2cff6636c402b.zip | |
SUNRPC: Don't hold the transport lock when receiving backchannel data
The backchannel request has no associated task, so it is going nowhere
until we call xprt_complete_bc_request().
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
Diffstat (limited to 'net/sunrpc/xprtsock.c')
| -rw-r--r-- | net/sunrpc/xprtsock.c | 5 |
1 files changed, 1 insertions, 4 deletions
diff --git a/net/sunrpc/xprtsock.c b/net/sunrpc/xprtsock.c index 04dbc7027712..a2312f14beb4 100644 --- a/net/sunrpc/xprtsock.c +++ b/net/sunrpc/xprtsock.c @@ -1389,11 +1389,9 @@ static int xs_tcp_read_callback(struct rpc_xprt *xprt, container_of(xprt, struct sock_xprt, xprt); struct rpc_rqst *req; - /* Look up and lock the request corresponding to the given XID */ - spin_lock_bh(&xprt->transport_lock); + /* Look up the request corresponding to the given XID */ req = xprt_lookup_bc_request(xprt, transport->tcp_xid); if (req == NULL) { - spin_unlock_bh(&xprt->transport_lock); printk(KERN_WARNING "Callback slot table overflowed\n"); xprt_force_disconnect(xprt); return -1; @@ -1404,7 +1402,6 @@ static int xs_tcp_read_callback(struct rpc_xprt *xprt, if (!(transport->tcp_flags & TCP_RCV_COPY_DATA)) xprt_complete_bc_request(req, transport->tcp_copied); - spin_unlock_bh(&xprt->transport_lock); return 0; } |