Commit 4b982bd0 authored by Jens Axboe's avatar Jens Axboe
Browse files

io_uring: don't mark S_ISBLK async work as unbounded 



S_ISBLK is marked as unbounded work for async preparation, because it
doesn't match S_ISREG. That is incorrect, as any read/write to a block
device is also a bounded operation. Fix it up and ensure that S_ISBLK
isn't marked unbounded.

Signed-off-by: default avatarJens Axboe <axboe@kernel.dk>
parent 82734c5b

fs/io_uring.c

+1 −1
Original line number Diff line number Diff line
@@ -1213,7 +1213,7 @@ static void io_prep_async_work(struct io_kiocb *req) 
	if (req->flags & REQ_F_ISREG) {

		if (def->hash_reg_file || (ctx->flags & IORING_SETUP_IOPOLL))

			io_wq_hash_work(&req->work, file_inode(req->file));

	} else {

	} else if (!req->file || !S_ISBLK(file_inode(req->file)->i_mode)) {

		if (def->unbound_nonreg_file)

			req->work.flags |= IO_WQ_WORK_UNBOUND;

	}