diff options
Diffstat (limited to 'io_uring/io_uring.c')
| -rw-r--r-- | io_uring/io_uring.c | 13 |
1 files changed, 4 insertions, 9 deletions
diff --git a/io_uring/io_uring.c b/io_uring/io_uring.c index 0aeb33256a6d..de05831eeca7 100644 --- a/io_uring/io_uring.c +++ b/io_uring/io_uring.c @@ -818,7 +818,7 @@ void io_req_cqe_overflow(struct io_kiocb *req) * control dependency is enough as we're using WRITE_ONCE to * fill the cq entry */ -struct io_uring_cqe *__io_get_cqe(struct io_ring_ctx *ctx, bool overflow) +bool io_cqe_cache_refill(struct io_ring_ctx *ctx, bool overflow) { struct io_rings *rings = ctx->rings; unsigned int off = ctx->cached_cq_tail & (ctx->cq_entries - 1); @@ -830,7 +830,7 @@ struct io_uring_cqe *__io_get_cqe(struct io_ring_ctx *ctx, bool overflow) * Force overflow the completion. */ if (!overflow && (ctx->check_cq & BIT(IO_CHECK_CQ_OVERFLOW_BIT))) - return NULL; + return false; /* userspace may cheat modifying the tail, be safe and do min */ queued = min(__io_cqring_events(ctx), ctx->cq_entries); @@ -838,7 +838,7 @@ struct io_uring_cqe *__io_get_cqe(struct io_ring_ctx *ctx, bool overflow) /* we need a contiguous range, limit based on the current array offset */ len = min(free, ctx->cq_entries - off); if (!len) - return NULL; + return false; if (ctx->flags & IORING_SETUP_CQE32) { off <<= 1; @@ -847,12 +847,7 @@ struct io_uring_cqe *__io_get_cqe(struct io_ring_ctx *ctx, bool overflow) ctx->cqe_cached = &rings->cqes[off]; ctx->cqe_sentinel = ctx->cqe_cached + len; - - ctx->cached_cq_tail++; - ctx->cqe_cached++; - if (ctx->flags & IORING_SETUP_CQE32) - ctx->cqe_cached++; - return &rings->cqes[off]; + return true; } static bool io_fill_cqe_aux(struct io_ring_ctx *ctx, u64 user_data, s32 res, |