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Diffstat (limited to '')
| -rw-r--r-- | fs/io_uring.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/fs/io_uring.c b/fs/io_uring.c index c6f1afa5ec04..8d263209b508 100644 --- a/fs/io_uring.c +++ b/fs/io_uring.c @@ -1526,6 +1526,13 @@ static inline bool io_should_trigger_evfd(struct io_ring_ctx *ctx) return !ctx->eventfd_async || io_wq_current_is_worker(); } +/* + * This should only get called when at least one event has been posted. + * Some applications rely on the eventfd notification count only changing + * IFF a new CQE has been added to the CQ ring. There's no depedency on + * 1:1 relationship between how many times this function is called (and + * hence the eventfd count) and number of CQEs posted to the CQ ring. + */ static void io_cqring_ev_posted(struct io_ring_ctx *ctx) { /* |