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authorPavel Begunkov <asml.silence@gmail.com>2023-01-05 11:22:23 +0000
committerJens Axboe <axboe@kernel.dk>2023-01-29 15:17:39 -0700
commit140102ae9a9f2f83f0592b98b3c5c6119d9a9b32 (patch)
tree7c83692d22146407b437fcfad179523bcb0000f2 /io_uring/io_uring.h
parent1414d62985848d095af5a400a4ca074a4888b77f (diff)
io_uring: move defer tw task checks
Most places that want to run local tw explicitly and in advance check if they are allowed to do so. Don't rely on a similar check in __io_run_local_work(), leave it as a just-in-case warning and make sure callers checks capabilities themselves. Signed-off-by: Pavel Begunkov <asml.silence@gmail.com> Link: https://lore.kernel.org/r/990fe0e8e70fd4d57e43625e5ce8fba584821d1a.1672916894.git.asml.silence@gmail.com Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'io_uring/io_uring.h')
-rw-r--r--io_uring/io_uring.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/io_uring/io_uring.h b/io_uring/io_uring.h
index 9d36271eb6d3..011932935c36 100644
--- a/io_uring/io_uring.h
+++ b/io_uring/io_uring.h
@@ -367,6 +367,11 @@ static inline struct io_kiocb *io_alloc_req(struct io_ring_ctx *ctx)
return container_of(node, struct io_kiocb, comp_list);
}
+static inline bool io_allowed_defer_tw_run(struct io_ring_ctx *ctx)
+{
+ return likely(ctx->submitter_task == current);
+}
+
static inline bool io_allowed_run_tw(struct io_ring_ctx *ctx)
{
return likely(!(ctx->flags & IORING_SETUP_DEFER_TASKRUN) ||