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authorOleg Nesterov <oleg@redhat.com>2025-01-07 17:27:43 +0100
committerChristian Brauner <brauner@kernel.org>2025-01-10 11:59:00 +0100
commitf005bf18a57aadf3af1e85a0f0151cb3688ee606 (patch)
tree21b4329a819a52e988be56b5faefd9a78255f896 /include
parentsock_poll_wait: kill the no longer necessary barrier after poll_wait() (diff)
downloadlinux-f005bf18a57aadf3af1e85a0f0151cb3688ee606.tar.xz
linux-f005bf18a57aadf3af1e85a0f0151cb3688ee606.zip
poll: kill poll_does_not_wait()
It no longer has users. Signed-off-by: Oleg Nesterov <oleg@redhat.com> Link: https://lore.kernel.org/r/20250107162743.GA18947@redhat.com Signed-off-by: Christian Brauner <brauner@kernel.org>
Diffstat (limited to 'include')
-rw-r--r--include/linux/poll.h16
1 files changed, 3 insertions, 13 deletions
diff --git a/include/linux/poll.h b/include/linux/poll.h
index 57b6d1ccd8bf..12bb18e8b978 100644
--- a/include/linux/poll.h
+++ b/include/linux/poll.h
@@ -25,14 +25,14 @@
struct poll_table_struct;
-/*
+/*
* structures and helpers for f_op->poll implementations
*/
typedef void (*poll_queue_proc)(struct file *, wait_queue_head_t *, struct poll_table_struct *);
/*
- * Do not touch the structure directly, use the access functions
- * poll_does_not_wait() and poll_requested_events() instead.
+ * Do not touch the structure directly, use the access function
+ * poll_requested_events() instead.
*/
typedef struct poll_table_struct {
poll_queue_proc _qproc;
@@ -54,16 +54,6 @@ static inline void poll_wait(struct file * filp, wait_queue_head_t * wait_addres
}
/*
- * Return true if it is guaranteed that poll will not wait. This is the case
- * if the poll() of another file descriptor in the set got an event, so there
- * is no need for waiting.
- */
-static inline bool poll_does_not_wait(const poll_table *p)
-{
- return p == NULL || p->_qproc == NULL;
-}
-
-/*
* Return the set of events that the application wants to poll for.
* This is useful for drivers that need to know whether a DMA transfer has
* to be started implicitly on poll(). You typically only want to do that