diff options
Diffstat (limited to 'net/sunrpc/xprtmultipath.c')
| -rw-r--r-- | net/sunrpc/xprtmultipath.c | 38 |
1 files changed, 21 insertions, 17 deletions
diff --git a/net/sunrpc/xprtmultipath.c b/net/sunrpc/xprtmultipath.c index 720d3ba742ec..4c5e08b0aa64 100644 --- a/net/sunrpc/xprtmultipath.c +++ b/net/sunrpc/xprtmultipath.c @@ -92,6 +92,27 @@ void rpc_xprt_switch_remove_xprt(struct rpc_xprt_switch *xps, xprt_put(xprt); } +/** + * rpc_xprt_switch_get_main_xprt - Get the 'main' xprt for an xprt switch. + * @xps: pointer to struct rpc_xprt_switch. + */ +struct rpc_xprt *rpc_xprt_switch_get_main_xprt(struct rpc_xprt_switch *xps) +{ + struct rpc_xprt_iter xpi; + struct rpc_xprt *xprt; + + xprt_iter_init_listall(&xpi, xps); + + xprt = xprt_iter_get_next(&xpi); + while (xprt && !xprt->main) { + xprt_put(xprt); + xprt = xprt_iter_get_next(&xpi); + } + + xprt_iter_destroy(&xpi); + return xprt; +} + static DEFINE_IDA(rpc_xprtswitch_ids); void xprt_multipath_cleanup_ids(void) @@ -603,23 +624,6 @@ struct rpc_xprt *xprt_iter_get_helper(struct rpc_xprt_iter *xpi, } /** - * xprt_iter_get_xprt - Returns the rpc_xprt pointed to by the cursor - * @xpi: pointer to rpc_xprt_iter - * - * Returns a reference to the struct rpc_xprt that is currently - * pointed to by the cursor. - */ -struct rpc_xprt *xprt_iter_get_xprt(struct rpc_xprt_iter *xpi) -{ - struct rpc_xprt *xprt; - - rcu_read_lock(); - xprt = xprt_iter_get_helper(xpi, xprt_iter_ops(xpi)->xpi_xprt); - rcu_read_unlock(); - return xprt; -} - -/** * xprt_iter_get_next - Returns the next rpc_xprt following the cursor * @xpi: pointer to rpc_xprt_iter * |