From 443f1a0422338a2c7a2e4f63dbe3977f1be566ad Mon Sep 17 00:00:00 2001 From: Al Viro Date: Mon, 31 Aug 2020 13:19:53 -0400 Subject: lift the calls of ep_send_events_proc() into the callers ... and kill ep_scan_ready_list() Signed-off-by: Al Viro --- fs/eventpoll.c | 33 +++++---------------------------- 1 file changed, 5 insertions(+), 28 deletions(-) (limited to 'fs/eventpoll.c') diff --git a/fs/eventpoll.c b/fs/eventpoll.c index 9b9e29e0c85f..3b3a862f8014 100644 --- a/fs/eventpoll.c +++ b/fs/eventpoll.c @@ -636,33 +636,6 @@ static void ep_done_scan(struct eventpoll *ep, mutex_unlock(&ep->mtx); } -/** - * ep_scan_ready_list - Scans the ready list in a way that makes possible for - * the scan code, to call f_op->poll(). Also allows for - * O(NumReady) performance. - * - * @ep: Pointer to the epoll private data structure. - * @sproc: Pointer to the scan callback. - * @priv: Private opaque data passed to the @sproc callback. - * @depth: The current depth of recursive f_op->poll calls. - * @ep_locked: caller already holds ep->mtx - * - * Returns: The same integer error code returned by the @sproc callback. - */ -static __poll_t ep_scan_ready_list(struct eventpoll *ep, - __poll_t (*sproc)(struct eventpoll *, - struct list_head *, void *), - void *priv, int depth, bool ep_locked) -{ - __poll_t res; - LIST_HEAD(txlist); - - ep_start_scan(ep, depth, ep_locked, &txlist); - res = (*sproc)(ep, &txlist, priv); - ep_done_scan(ep, depth, ep_locked, &txlist); - return res; -} - static void epi_rcu_free(struct rcu_head *head) { struct epitem *epi = container_of(head, struct epitem, rcu); @@ -1685,11 +1658,15 @@ static int ep_send_events(struct eventpoll *ep, struct epoll_event __user *events, int maxevents) { struct ep_send_events_data esed; + LIST_HEAD(txlist); esed.maxevents = maxevents; esed.events = events; - ep_scan_ready_list(ep, ep_send_events_proc, &esed, 0, false); + ep_start_scan(ep, 0, false, &txlist); + ep_send_events_proc(ep, &txlist, &esed); + ep_done_scan(ep, 0, false, &txlist); + return esed.res; } -- cgit v1.2.3