From: trondmy@kernel.org
To: linux-nfs@vger.kernel.org
Subject: [PATCH v3 03/11] SUNRPC: Add a helper to return the transport identifier given a netid
Date: Tue, 10 Nov 2020 18:18:58 -0500 [thread overview]
Message-ID: <20201110231906.863446-4-trondmy@kernel.org> (raw)
In-Reply-To: <20201110231906.863446-3-trondmy@kernel.org>
From: Trond Myklebust <trond.myklebust@hammerspace.com>
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
---
include/linux/sunrpc/xprt.h | 1 +
net/sunrpc/xprt.c | 25 +++++++++++++++++++++----
2 files changed, 22 insertions(+), 4 deletions(-)
diff --git a/include/linux/sunrpc/xprt.h b/include/linux/sunrpc/xprt.h
index 3ac5037d1c3d..f7b75c72f80e 100644
--- a/include/linux/sunrpc/xprt.h
+++ b/include/linux/sunrpc/xprt.h
@@ -386,6 +386,7 @@ xprt_disable_swap(struct rpc_xprt *xprt)
int xprt_register_transport(struct xprt_class *type);
int xprt_unregister_transport(struct xprt_class *type);
int xprt_load_transport(const char *);
+int xprt_find_transport_ident(const char *);
void xprt_wait_for_reply_request_def(struct rpc_task *task);
void xprt_wait_for_reply_request_rtt(struct rpc_task *task);
void xprt_wake_pending_tasks(struct rpc_xprt *xprt, int status);
diff --git a/net/sunrpc/xprt.c b/net/sunrpc/xprt.c
index 29de33ea53d6..1016265d5e53 100644
--- a/net/sunrpc/xprt.c
+++ b/net/sunrpc/xprt.c
@@ -219,22 +219,39 @@ xprt_class_find_by_netid(const char *netid)
}
/**
- * xprt_load_transport - load a transport implementation
+ * xprt_find_transport_ident - convert a netid into a transport identifier
* @netid: transport to load
*
* Returns:
- * 0: transport successfully loaded
+ * > 0: transport identifier
* -ENOENT: transport module not available
*/
-int xprt_load_transport(const char *netid)
+int xprt_find_transport_ident(const char *netid)
{
const struct xprt_class *t;
+ int ret;
t = xprt_class_find_by_netid(netid);
if (!t)
return -ENOENT;
+ ret = t->ident;
xprt_class_release(t);
- return 0;
+ return ret;
+}
+EXPORT_SYMBOL_GPL(xprt_find_transport_ident);
+
+/**
+ * xprt_load_transport - load a transport implementation
+ * @netid: transport to load
+ *
+ * Returns:
+ * 0: transport successfully loaded
+ * -ENOENT: transport module not available
+ */
+int xprt_load_transport(const char *netid)
+{
+ int ret = xprt_find_transport_ident(netid);
+ return ret < 0 ? ret : 0;
}
EXPORT_SYMBOL_GPL(xprt_load_transport);
--
2.28.0
next prev parent reply other threads:[~2020-11-10 23:29 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-11-10 23:18 [PATCH v3 00/11] Add RDMA support to the pNFS file+flexfiles data channels trondmy
2020-11-10 23:18 ` [PATCH v3 01/11] SUNRPC: xprt_load_transport() needs to support the netid "rdma6" trondmy
2020-11-10 23:18 ` [PATCH v3 02/11] SUNRPC: Close a race with transport setup and module put trondmy
2020-11-10 23:18 ` trondmy [this message]
2020-11-10 23:18 ` [PATCH v3 04/11] NFS: Switch mount code to use xprt_find_transport_ident() trondmy
2020-11-10 23:19 ` [PATCH v3 05/11] SUNRPC: Remove unused function xprt_load_transport() trondmy
2020-11-10 23:19 ` [PATCH v3 06/11] NFSv4/pNFS: Use connections to a DS that are all of the same protocol family trondmy
2020-11-10 23:19 ` [PATCH v3 07/11] pNFS: Add helpers for allocation/free of struct nfs4_pnfs_ds_addr trondmy
2020-11-10 23:19 ` [PATCH v3 08/11] NFSv4/pNFS: Store the transport type in " trondmy
2020-11-10 23:19 ` [PATCH v3 09/11] pNFS/flexfiles: Fix up layoutstats reporting for non-TCP transports trondmy
2020-11-10 23:19 ` [PATCH v3 10/11] SUNRPC: Fix up open coded kmemdup_nul() trondmy
2020-11-10 23:19 ` [PATCH v3 11/11] pNFS: Clean up open coded xdr string decoding trondmy
2020-11-10 23:42 ` [PATCH v3 00/11] Add RDMA support to the pNFS file+flexfiles data channels Trond Myklebust
2020-11-13 12:48 ` Mkrtchyan, Tigran
2020-11-13 21:30 ` Mkrtchyan, Tigran
2020-11-13 22:45 ` Trond Myklebust
2020-11-13 23:46 ` Mkrtchyan, Tigran
2020-11-14 14:29 ` Trond Myklebust
2020-11-16 20:55 ` Mkrtchyan, Tigran
2020-11-17 14:50 ` Mkrtchyan, Tigran
2020-11-26 17:17 ` Mkrtchyan, Tigran
2020-12-01 10:59 ` Mkrtchyan, Tigran
2020-12-01 14:44 ` Mkrtchyan, Tigran
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