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io_uring: fuse fallback_node and normal tw node

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Now as both normal and fallback paths use llist, just keep one node head
in struct io_task_work and kill off ->fallback_node.

Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/d04ebde409f7b162fe247b361b4486b193293e46.1656153285.git.asml.silence@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Pavel Begunkov 2022-06-25 11:52:59 +01:00 • committed by Jens Axboe
parent 37c7bd31b3
commit 3218e5d32d
2 changed files with 3 additions and 7 deletions
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5
include/linux/io_uring_types.h
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@ -427,10 +427,7 @@ enum {
typedef void (*io_req_tw_func_t)(struct io_kiocb *req, bool *locked);
struct io_task_work {
union {
struct llist_node node;
struct llist_node fallback_node;
};
struct llist_node node;
io_req_tw_func_t func;
};