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io_uring/msg: rename io_double_lock_ctx()

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io_double_lock_ctx() doesn't lock both rings. Rename it to prevent any
future confusion.

Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/9e5defa000efd9b0f5e169cbb6bad4994d46ec5c.1743190078.git.asml.silence@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Pavel Begunkov 2025-03-28 23:11:49 +00:00 • committed by Jens Axboe
parent fbe1a30c5d
commit b0e9570a6b
1 changed files with 4 additions and 4 deletions
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8
io_uring/msg_ring.c
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@ -38,8 +38,8 @@ static void io_double_unlock_ctx(struct io_ring_ctx *octx)
mutex_unlock(&octx->uring_lock);
}
static int io_double_lock_ctx(struct io_ring_ctx *octx,
unsigned int issue_flags)
static int io_lock_external_ctx(struct io_ring_ctx *octx,
unsigned int issue_flags)
{
/*
* To ensure proper ordering between the two ctxs, we can only
@ -154,7 +154,7 @@ static int __io_msg_ring_data(struct io_ring_ctx *target_ctx,
ret = -EOVERFLOW;
if (target_ctx->flags & IORING_SETUP_IOPOLL) {
if (unlikely(io_double_lock_ctx(target_ctx, issue_flags)))
if (unlikely(io_lock_external_ctx(target_ctx, issue_flags)))
return -EAGAIN;
}
if (io_post_aux_cqe(target_ctx, msg->user_data, msg->len, flags))
@ -199,7 +199,7 @@ static int io_msg_install_complete(struct io_kiocb *req, unsigned int issue_flag
struct file *src_file = msg->src_file;
int ret;
if (unlikely(io_double_lock_ctx(target_ctx, issue_flags)))
if (unlikely(io_lock_external_ctx(target_ctx, issue_flags)))
return -EAGAIN;
ret = __io_fixed_fd_install(target_ctx, src_file, msg->dst_fd);