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authorChuck Lever <chuck.lever@oracle.com>2018-05-04 15:34:59 -0400
committerAnna Schumaker <Anna.Schumaker@Netapp.com>2018-05-07 09:20:03 -0400
commita9cde23ab7cdf5e4e93432dffd0e734267f2b745 (patch)
tree1c3aea9e962db1c79e19ad9217aa3dd9ddf8778d /net/sunrpc/xprt.c
parent37ac86c3a76c113619b7d9afe0251bbfc04cb80a (diff)
downloadlinux-a9cde23ab7cdf5e4e93432dffd0e734267f2b745.tar.gz
SUNRPC: Add a ->free_slot transport callout
Refactor: xprtrdma needs to have better control over when RPCs are awoken from the backlog queue, so replace xprt_free_slot with a transport op callout. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
Diffstat (limited to 'net/sunrpc/xprt.c')
-rw-r--r--net/sunrpc/xprt.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/net/sunrpc/xprt.c b/net/sunrpc/xprt.c
index 2d959268d9b708..3c85af058227d1 100644
--- a/net/sunrpc/xprt.c
+++ b/net/sunrpc/xprt.c
@@ -1186,7 +1186,7 @@ void xprt_lock_and_alloc_slot(struct rpc_xprt *xprt, struct rpc_task *task)
}
EXPORT_SYMBOL_GPL(xprt_lock_and_alloc_slot);
-static void xprt_free_slot(struct rpc_xprt *xprt, struct rpc_rqst *req)
+void xprt_free_slot(struct rpc_xprt *xprt, struct rpc_rqst *req)
{
spin_lock(&xprt->reserve_lock);
if (!xprt_dynamic_free_slot(xprt, req)) {
@@ -1196,6 +1196,7 @@ static void xprt_free_slot(struct rpc_xprt *xprt, struct rpc_rqst *req)
xprt_wake_up_backlog(xprt);
spin_unlock(&xprt->reserve_lock);
}
+EXPORT_SYMBOL_GPL(xprt_free_slot);
static void xprt_free_all_slots(struct rpc_xprt *xprt)
{
@@ -1375,7 +1376,7 @@ void xprt_release(struct rpc_task *task)
dprintk("RPC: %5u release request %p\n", task->tk_pid, req);
if (likely(!bc_prealloc(req)))
- xprt_free_slot(xprt, req);
+ xprt->ops->free_slot(xprt, req);
else
xprt_free_bc_request(req);
}