Commit 67c4d9e6 authored by Pavel Begunkov's avatar Pavel Begunkov Committed by Jens Axboe

io_uring: batch cancel in io_uring_cancel_files()

Instead of waiting for each request one by one, first try to cancel all
of them in a batched manner, and then go over inflight_list/etc to reap
leftovers.
Signed-off-by: default avatarPavel Begunkov <asml.silence@gmail.com>
Signed-off-by: default avatarJens Axboe <axboe@kernel.dk>
parent 44e728b8
......@@ -7366,9 +7366,22 @@ static int io_uring_release(struct inode *inode, struct file *file)
return 0;
}
static bool io_wq_files_match(struct io_wq_work *work, void *data)
{
struct files_struct *files = data;
return work->files == files;
}
static void io_uring_cancel_files(struct io_ring_ctx *ctx,
struct files_struct *files)
{
if (list_empty_careful(&ctx->inflight_list))
return;
/* cancel all at once, should be faster than doing it one by one*/
io_wq_cancel_cb(ctx->io_wq, io_wq_files_match, files, true);
while (!list_empty_careful(&ctx->inflight_list)) {
struct io_kiocb *cancel_req = NULL, *req;
DEFINE_WAIT(wait);
......
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment