Re: [PATCH 06/16] io_uring: support for IO polling
flat view
From: Christoph Hellwig <hch@lst.de>
Date: 2019-01-09 12:11:59
Also in:
linux-arch, linux-fsdevel
On Tue, Jan 08, 2019 at 09:56:35AM -0700, Jens Axboe wrote:
Add polled variants of the read and write commands. These act like their non-polled counterparts, except we expect to poll for completion of them.
These aren't really need command variants, but a different type of context.
quoted hunk ↗ jump to hunk
case IORING_OP_FSYNC: + if (ctx->flags & IORING_SETUP_IOPOLL) + break; ret = io_fsync(&req->fsync, iocb, false); break; case IORING_OP_FDSYNC: + if (ctx->flags & IORING_SETUP_IOPOLL) + break; ret = io_fsync(&req->fsync, iocb, true);
I'd move this check into io_fsync to avoid a little duplication.