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author | Trond Myklebust <Trond.Myklebust@netapp.com> | 2011-07-17 22:01:09 +0200 |
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committer | Trond Myklebust <Trond.Myklebust@netapp.com> | 2011-07-17 22:01:09 +0200 |
commit | 8d9266ffe4332afc5ac9de401ef6f825b3798585 (patch) | |
tree | d0fbf4678a4751c3780bb8b805049cbc9afc7ec7 /net/sunrpc | |
parent | SUNRPC: Ensure that we grab the XPRT_LOCK before calling xprt_alloc_slot (diff) | |
download | linux-8d9266ffe4332afc5ac9de401ef6f825b3798585.tar.xz linux-8d9266ffe4332afc5ac9de401ef6f825b3798585.zip |
SUNRPC: Initalise the struct xprt upon allocation
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'net/sunrpc')
-rw-r--r-- | net/sunrpc/xprt.c | 67 |
1 files changed, 37 insertions, 30 deletions
diff --git a/net/sunrpc/xprt.c b/net/sunrpc/xprt.c index ccd583a46ff6..efb8dc5ab81b 100644 --- a/net/sunrpc/xprt.c +++ b/net/sunrpc/xprt.c @@ -1091,38 +1091,9 @@ void xprt_release(struct rpc_task *task) xprt_free_bc_request(req); } -/** - * xprt_create_transport - create an RPC transport - * @args: rpc transport creation arguments - * - */ -struct rpc_xprt *xprt_create_transport(struct xprt_create *args) +static void xprt_init(struct rpc_xprt *xprt) { - struct rpc_xprt *xprt; struct rpc_rqst *req; - struct xprt_class *t; - - spin_lock(&xprt_list_lock); - list_for_each_entry(t, &xprt_list, list) { - if (t->ident == args->ident) { - spin_unlock(&xprt_list_lock); - goto found; - } - } - spin_unlock(&xprt_list_lock); - printk(KERN_ERR "RPC: transport (%d) not supported\n", args->ident); - return ERR_PTR(-EIO); - -found: - xprt = t->setup(args); - if (IS_ERR(xprt)) { - dprintk("RPC: xprt_create_transport: failed, %ld\n", - -PTR_ERR(xprt)); - return xprt; - } - if (test_and_set_bit(XPRT_INITIALIZED, &xprt->state)) - /* ->setup returned a pre-initialized xprt: */ - return xprt; spin_lock_init(&xprt->transport_lock); spin_lock_init(&xprt->reserve_lock); @@ -1156,6 +1127,42 @@ found: xprt_init_xid(xprt); +} + +/** + * xprt_create_transport - create an RPC transport + * @args: rpc transport creation arguments + * + */ +struct rpc_xprt *xprt_create_transport(struct xprt_create *args) +{ + struct rpc_xprt *xprt; + struct xprt_class *t; + + spin_lock(&xprt_list_lock); + list_for_each_entry(t, &xprt_list, list) { + if (t->ident == args->ident) { + spin_unlock(&xprt_list_lock); + goto found; + } + } + spin_unlock(&xprt_list_lock); + printk(KERN_ERR "RPC: transport (%d) not supported\n", args->ident); + return ERR_PTR(-EIO); + +found: + xprt = t->setup(args); + if (IS_ERR(xprt)) { + dprintk("RPC: xprt_create_transport: failed, %ld\n", + -PTR_ERR(xprt)); + return xprt; + } + if (test_and_set_bit(XPRT_INITIALIZED, &xprt->state)) + /* ->setup returned a pre-initialized xprt: */ + return xprt; + + xprt_init(xprt); + dprintk("RPC: created transport %p with %u slots\n", xprt, xprt->max_reqs); return xprt; |