mirror of
https://github.com/torvalds/linux
synced 2024-07-22 11:10:46 +00:00
38513c464d
Add a new io_hash_bucket structure so that each bucket in cancel_hash has separate spinlock. Use per entry lock for cancel_hash, this removes some completion lock invocation and remove contension between different cancel_hash entries. Signed-off-by: Hao Xu <howeyxu@tencent.com> Signed-off-by: Pavel Begunkov <asml.silence@gmail.com> Link: https://lore.kernel.org/r/05d1e135b0c8bce9d1441e6346776589e5783e26.1655371007.git.asml.silence@gmail.com Signed-off-by: Jens Axboe <axboe@kernel.dk>
13 lines
428 B
C
13 lines
428 B
C
// SPDX-License-Identifier: GPL-2.0
|
|
|
|
int io_async_cancel_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe);
|
|
int io_async_cancel(struct io_kiocb *req, unsigned int issue_flags);
|
|
|
|
int io_try_cancel(struct io_kiocb *req, struct io_cancel_data *cd);
|
|
void init_hash_table(struct io_hash_bucket *hash_table, unsigned size);
|
|
|
|
struct io_hash_bucket {
|
|
spinlock_t lock;
|
|
struct hlist_head list;
|
|
} ____cacheline_aligned_in_smp;
|