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io_uring/futex: use generic io_cancel_remove() helper

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Don't implement our own loop rolling and checking, just use the generic
helper to find and cancel requests.

Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Jens Axboe 2025-02-05 13:15:57 -07:00
parent 8fa374f90b
commit 2eaa2fac47
1 changed files with 1 additions and 23 deletions
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24
io_uring/futex.c
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@ -116,29 +116,7 @@ static bool __io_futex_cancel(struct io_kiocb *req)
int io_futex_cancel(struct io_ring_ctx *ctx, struct io_cancel_data *cd, int io_futex_cancel(struct io_ring_ctx *ctx, struct io_cancel_data *cd,
unsigned int issue_flags) unsigned int issue_flags)
{ {
struct hlist_node *tmp; return io_cancel_remove(ctx, cd, issue_flags, &ctx->futex_list, __io_futex_cancel);
struct io_kiocb *req;
int nr = 0;
if (cd->flags & (IORING_ASYNC_CANCEL_FD|IORING_ASYNC_CANCEL_FD_FIXED))
return -ENOENT;
io_ring_submit_lock(ctx, issue_flags);
hlist_for_each_entry_safe(req, tmp, &ctx->futex_list, hash_node) {
if (req->cqe.user_data != cd->data &&
!(cd->flags & IORING_ASYNC_CANCEL_ANY))
continue;
if (__io_futex_cancel(req))
nr++;
if (!(cd->flags & IORING_ASYNC_CANCEL_ALL))
break;
}
io_ring_submit_unlock(ctx, issue_flags);
if (nr)
return nr;
return -ENOENT;
} }
bool io_futex_remove_all(struct io_ring_ctx *ctx, struct io_uring_task *tctx, bool io_futex_remove_all(struct io_ring_ctx *ctx, struct io_uring_task *tctx,