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| author |   Trond Myklebust <trond.myklebust@hammerspace.com> | 2021-07-26 07:59:24 -0400 |
|---|---|---|
| committer |   Anna Schumaker <Anna.Schumaker@Netapp.com> | 2021-08-09 16:57:05 -0400 |
| commit | e26d9972720e2484f44cdd94ca4e31cc372ed2ed (patch) | |
| tree | f40a3efb4bc1982776cfb6db085d75418a58e120 /net/sunrpc/xprt.c | |
| parent | SUNRPC: Fix potential memory corruption (diff) | |
| download | linux-dev-e26d9972720e2484f44cdd94ca4e31cc372ed2ed.tar.xz linux-dev-e26d9972720e2484f44cdd94ca4e31cc372ed2ed.zip | |
SUNRPC: Clean up scheduling of autoclose
Consolidate duplicated code in xprt_force_disconnect() and
xprt_conditional_disconnect().
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
Diffstat (limited to '')
| -rw-r--r-- | net/sunrpc/xprt.c | 28 |
1 files changed, 16 insertions, 12 deletions
diff --git a/net/sunrpc/xprt.c b/net/sunrpc/xprt.c index bddd354a0076..aae5a328b15b 100644 --- a/net/sunrpc/xprt.c +++ b/net/sunrpc/xprt.c @@ -761,6 +761,20 @@ void xprt_disconnect_done(struct rpc_xprt *xprt) EXPORT_SYMBOL_GPL(xprt_disconnect_done); /** + * xprt_schedule_autoclose_locked - Try to schedule an autoclose RPC call + * @xprt: transport to disconnect + */ +static void xprt_schedule_autoclose_locked(struct rpc_xprt *xprt) +{ + set_bit(XPRT_CLOSE_WAIT, &xprt->state); + if (test_and_set_bit(XPRT_LOCKED, &xprt->state) == 0) + queue_work(xprtiod_workqueue, &xprt->task_cleanup); + else if (xprt->snd_task && !test_bit(XPRT_SND_IS_COOKIE, &xprt->state)) + rpc_wake_up_queued_task_set_status(&xprt->pending, + xprt->snd_task, -ENOTCONN); +} + +/** * xprt_force_disconnect - force a transport to disconnect * @xprt: transport to disconnect * @@ -771,13 +785,7 @@ void xprt_force_disconnect(struct rpc_xprt *xprt) /* Don't race with the test_bit() in xprt_clear_locked() */ spin_lock(&xprt->transport_lock); - set_bit(XPRT_CLOSE_WAIT, &xprt->state); - /* Try to schedule an autoclose RPC call */ - if (test_and_set_bit(XPRT_LOCKED, &xprt->state) == 0) - queue_work(xprtiod_workqueue, &xprt->task_cleanup); - else if (xprt->snd_task && !test_bit(XPRT_SND_IS_COOKIE, &xprt->state)) - rpc_wake_up_queued_task_set_status(&xprt->pending, - xprt->snd_task, -ENOTCONN); + xprt_schedule_autoclose_locked(xprt); spin_unlock(&xprt->transport_lock); } EXPORT_SYMBOL_GPL(xprt_force_disconnect); @@ -817,11 +825,7 @@ void xprt_conditional_disconnect(struct rpc_xprt *xprt, unsigned int cookie) goto out; if (test_bit(XPRT_CLOSING, &xprt->state)) goto out; - set_bit(XPRT_CLOSE_WAIT, &xprt->state); - /* Try to schedule an autoclose RPC call */ - if (test_and_set_bit(XPRT_LOCKED, &xprt->state) == 0) - queue_work(xprtiod_workqueue, &xprt->task_cleanup); - xprt_wake_pending_tasks(xprt, -EAGAIN); + xprt_schedule_autoclose_locked(xprt); out: spin_unlock(&xprt->transport_lock); } |