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io_uring: pass files into kill timeouts/poll

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[ Upstream commit 6b81928d4ca8668513251f9c04cdcb9d38ef51c7 ]

Make io_poll_remove_all() and io_kill_timeouts() to match against files
as well. A preparation patch, effectively not used by now.

Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Pavel Begunkov 2021-02-09 04:47:38 +00:00 committed by Greg Kroah-Hartman
parent 49250f33bb
commit f8fbdbb607
1 changed files with 10 additions and 8 deletions
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18
fs/io_uring.c
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@ -1508,14 +1508,15 @@ static bool io_task_match(struct io_kiocb *req, struct task_struct *tsk)
/*
* Returns true if we found and killed one or more timeouts
*/
static bool io_kill_timeouts(struct io_ring_ctx *ctx, struct task_struct *tsk)
static bool io_kill_timeouts(struct io_ring_ctx *ctx, struct task_struct *tsk,
struct files_struct *files)
{
struct io_kiocb *req, *tmp;
int canceled = 0;
spin_lock_irq(&ctx->completion_lock);
list_for_each_entry_safe(req, tmp, &ctx->timeout_list, timeout.list) {
if (io_task_match(req, tsk)) {
if (io_match_task(req, tsk, files)) {
io_kill_timeout(req);
canceled++;
}
@ -5312,7 +5313,8 @@ static bool io_poll_remove_one(struct io_kiocb *req)
/*
* Returns true if we found and killed one or more poll requests
*/
static bool io_poll_remove_all(struct io_ring_ctx *ctx, struct task_struct *tsk)
static bool io_poll_remove_all(struct io_ring_ctx *ctx, struct task_struct *tsk,
struct files_struct *files)
{
struct hlist_node *tmp;
struct io_kiocb *req;
@ -5324,7 +5326,7 @@ static bool io_poll_remove_all(struct io_ring_ctx *ctx, struct task_struct *tsk)
list = &ctx->cancel_hash[i];
hlist_for_each_entry_safe(req, tmp, list, hash_node) {
if (io_task_match(req, tsk))
if (io_match_task(req, tsk, files))
posted += io_poll_remove_one(req);
}
}
@ -8485,8 +8487,8 @@ static void io_ring_ctx_wait_and_kill(struct io_ring_ctx *ctx)
__io_cqring_overflow_flush(ctx, true, NULL, NULL);
mutex_unlock(&ctx->uring_lock);
io_kill_timeouts(ctx, NULL);
io_poll_remove_all(ctx, NULL);
io_kill_timeouts(ctx, NULL, NULL);
io_poll_remove_all(ctx, NULL, NULL);
if (ctx->io_wq)
io_wq_cancel_cb(ctx->io_wq, io_cancel_ctx_cb, ctx, true);
@ -8721,8 +8723,8 @@ static void __io_uring_cancel_task_requests(struct io_ring_ctx *ctx,
}
}
ret |= io_poll_remove_all(ctx, task);
ret |= io_kill_timeouts(ctx, task);
ret |= io_poll_remove_all(ctx, task, NULL);
ret |= io_kill_timeouts(ctx, task, NULL);
if (!ret)
break;
io_run_task_work();