diff options
author | Meena Shanmugam <meenashanmugam@google.com> | 2022-05-18 21:40:08 +0300 |
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committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2022-05-25 10:14:33 +0300 |
commit | 2d6f096476e66a60aad3004f5d8aefff0b5b59df (patch) | |
tree | f57aa6c6a4332876e294d4a301d0ab01c02fd2d8 /net | |
parent | f3fe8d13ac899ce21df911017a7b13379de08a13 (diff) | |
download | linux-2d6f096476e66a60aad3004f5d8aefff0b5b59df.tar.xz |
SUNRPC: Clean up scheduling of autoclose
From: Trond Myklebust <trond.myklebust@hammerspace.com>
commit e26d9972720e2484f44cdd94ca4e31cc372ed2ed upstream.
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>
Signed-off-by: Meena Shanmugam <meenashanmugam@google.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'net')
-rw-r--r-- | net/sunrpc/xprt.c | 26 |
1 files changed, 15 insertions, 11 deletions
diff --git a/net/sunrpc/xprt.c b/net/sunrpc/xprt.c index 8ac579778e48..a7dedc12c982 100644 --- a/net/sunrpc/xprt.c +++ b/net/sunrpc/xprt.c @@ -717,21 +717,29 @@ void xprt_disconnect_done(struct rpc_xprt *xprt) EXPORT_SYMBOL_GPL(xprt_disconnect_done); /** - * xprt_force_disconnect - force a transport to disconnect + * xprt_schedule_autoclose_locked - Try to schedule an autoclose RPC call * @xprt: transport to disconnect - * */ -void xprt_force_disconnect(struct rpc_xprt *xprt) +static void xprt_schedule_autoclose_locked(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_force_disconnect - force a transport to disconnect + * @xprt: transport to disconnect + * + */ +void xprt_force_disconnect(struct rpc_xprt *xprt) +{ + /* Don't race with the test_bit() in xprt_clear_locked() */ + spin_lock(&xprt->transport_lock); + xprt_schedule_autoclose_locked(xprt); spin_unlock(&xprt->transport_lock); } EXPORT_SYMBOL_GPL(xprt_force_disconnect); @@ -771,11 +779,7 @@ 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); } |