[PATCH 6.6 019/105] epoll: Remove ep_scan_ready_list() in comments

Greg Kroah-Hartman
2025-10-21T19:53:06Z

From: Huang Xiaojia <huangxiaojia2@huawei.com>

[ Upstream commit e6f7958042a7b1dc9a4dfc19fca74217bc0c4865 ]

Since commit 443f1a042233 ("lift the calls of ep_send_events_proc()
into the callers"), ep_scan_ready_list() has been removed.
But there are still several in comments. All of them should
be replaced with other caller functions.

Signed-off-by: Huang Xiaojia <huangxiaojia2@huawei.com>
Link: https://lore.kernel.org/r/20240206014353.4191262-1-huangxiaojia2@huawei.com
Reviewed-by: Jan Kara <jack@suse.cz>
Signed-off-by: Christian Brauner <brauner@kernel.org>
Stable-dep-of: 0c43094f8cc9 ("eventpoll: Replace rwlock with spinlock")
Signed-off-by: Sasha Levin <sashal@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
fs/eventpoll.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)

--- a/fs/eventpoll.c
+++ b/fs/eventpoll.c
@@ -206,7 +206,7 @@ struct eventpoll {
*/
struct epitem *ovflist;

- /* wakeup_source used when ep_scan_ready_list is running */
+ /* wakeup_source used when ep_send_events or __ep_eventpoll_poll is running */
struct wakeup_source *ws;

/* The user that created the eventpoll descriptor */
@@ -1190,7 +1190,7 @@ static inline bool chain_epi_lockless(st
* This callback takes a read lock in order not to contend with concurrent
* events from another file descriptor, thus all modifications to ->rdllist
* or ->ovflist are lockless. Read lock is paired with the write lock from
- * ep_scan_ready_list(), which stops all list modifications and guarantees
+ * ep_start/done_scan(), which stops all list modifications and guarantees
* that lists state is seen correctly.
*
* Another thing worth to mention is that ep_poll_callback() can be called
@@ -1792,7 +1792,7 @@ static int ep_send_events(struct eventpo
* availability. At this point, no one can insert
* into ep->rdllist besides us. The epoll_ctl()
* callers are locked out by
- * ep_scan_ready_list() holding "mtx" and the
+ * ep_send_events() holding "mtx" and the
* poll callback will queue them in ep->ovflist.
*/
list_add_tail(&epi->rdllink, &ep->rdllist);
@@ -1945,7 +1945,7 @@ static int ep_poll(struct eventpoll *ep,
__set_current_state(TASK_INTERRUPTIBLE);

/*
- * Do the final check under the lock. ep_scan_ready_list()
+ * Do the final check under the lock. ep_start/done_scan()
* plays with two lists (->rdllist and ->ovflist) and there
* is always a race when both lists are empty for short
* period of time although events are pending, so lock is