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authorOlga Kornievskaia <olga.kornievskaia@gmail.com>2022-07-25 09:32:26 -0400
committerTrond Myklebust <trond.myklebust@hammerspace.com>2022-07-25 10:06:04 -0400
commit497e6464d6adcee64f071b18fc826e63cfd2f0a5 (patch)
tree6b8432ece95cc96b7047eb53e0be45539b613a95 /net/sunrpc/clnt.c
parent9368fd6c75053630e95a6dbd17c9522e82101276 (diff)
downloadlinux-497e6464d6adcee64f071b18fc826e63cfd2f0a5.tar.gz
SUNRPC create an rpc function that allows xprt removal from rpc_clnt
Expose a function that allows a removal of xprt from the rpc_clnt. When called from NFS that's running a trunked transport then don't decrement the active transport counter. Signed-off-by: Olga Kornievskaia <kolga@netapp.com> Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Diffstat (limited to 'net/sunrpc/clnt.c')
-rw-r--r--net/sunrpc/clnt.c16
1 files changed, 15 insertions, 1 deletions
diff --git a/net/sunrpc/clnt.c b/net/sunrpc/clnt.c
index 9dbce3b0d3a270..26f3102500bbaf 100644
--- a/net/sunrpc/clnt.c
+++ b/net/sunrpc/clnt.c
@@ -2144,7 +2144,8 @@ call_connect_status(struct rpc_task *task)
xprt_release(task);
value = atomic_long_dec_return(&xprt->queuelen);
if (value == 0)
- rpc_xprt_switch_remove_xprt(xps, saved);
+ rpc_xprt_switch_remove_xprt(xps, saved,
+ true);
xprt_put(saved);
task->tk_xprt = NULL;
task->tk_action = call_start;
@@ -3118,6 +3119,19 @@ void rpc_clnt_xprt_switch_add_xprt(struct rpc_clnt *clnt, struct rpc_xprt *xprt)
}
EXPORT_SYMBOL_GPL(rpc_clnt_xprt_switch_add_xprt);
+void rpc_clnt_xprt_switch_remove_xprt(struct rpc_clnt *clnt, struct rpc_xprt *xprt)
+{
+ struct rpc_xprt_switch *xps;
+
+ rcu_read_lock();
+ xps = rcu_dereference(clnt->cl_xpi.xpi_xpswitch);
+ rpc_xprt_switch_remove_xprt(rcu_dereference(clnt->cl_xpi.xpi_xpswitch),
+ xprt, 0);
+ xps->xps_nunique_destaddr_xprts--;
+ rcu_read_unlock();
+}
+EXPORT_SYMBOL_GPL(rpc_clnt_xprt_switch_remove_xprt);
+
bool rpc_clnt_xprt_switch_has_addr(struct rpc_clnt *clnt,
const struct sockaddr *sap)
{