From: Christoph Hellwig <hch@infradead.org>
To: Ming Lei <ming.lei@redhat.com>
Cc: Jens Axboe <axboe@kernel.dk>,
linux-block@vger.kernel.org,
Mikulas Patocka <mpatocka@redhat.com>,
Zhaoyang Huang <zhaoyang.huang@unisoc.com>,
Dave Chinner <dchinner@redhat.com>,
linux-fsdevel@vger.kernel.org
Subject: Re: [PATCH V4 6/6] loop: add hint for handling aio via IOCB_NOWAIT
Date: Fri, 3 Oct 2025 00:06:44 -0700 [thread overview]
Message-ID: <aN92BCY1GQZr9YB-@infradead.org> (raw)
In-Reply-To: <20250928132927.3672537-7-ming.lei@redhat.com>
On Sun, Sep 28, 2025 at 09:29:25PM +0800, Ming Lei wrote:
> - there isn't any queued blocking async WRITEs, because NOWAIT won't cause
> contention with blocking WRITE, which often implies exclusive lock
Isn't this a generic thing we should be doing in core code so that
it applies to io_uring I/O as well?
next prev parent reply other threads:[~2025-10-03 7:06 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-09-28 13:29 [PATCH V4 0/6] loop: improve loop aio perf by IOCB_NOWAIT Ming Lei
2025-09-28 13:29 ` [PATCH V4 1/6] loop: add helper lo_cmd_nr_bvec() Ming Lei
2025-10-03 7:04 ` Christoph Hellwig
2025-09-28 13:29 ` [PATCH V4 2/6] loop: add helper lo_rw_aio_prep() Ming Lei
2025-10-03 7:04 ` Christoph Hellwig
2025-09-28 13:29 ` [PATCH V4 3/6] loop: add lo_submit_rw_aio() Ming Lei
2025-10-03 7:04 ` Christoph Hellwig
2025-09-28 13:29 ` [PATCH V4 4/6] loop: move command blkcg/memcg initialization into loop_queue_work Ming Lei
2025-09-28 13:29 ` [PATCH V4 5/6] loop: try to handle loop aio command via NOWAIT IO first Ming Lei
2025-09-29 6:44 ` Yu Kuai
2025-09-29 9:18 ` Ming Lei
2025-09-28 13:29 ` [PATCH V4 6/6] loop: add hint for handling aio via IOCB_NOWAIT Ming Lei
2025-10-03 7:06 ` Christoph Hellwig [this message]
2025-10-06 14:18 ` Ming Lei
2025-10-07 6:33 ` Christoph Hellwig
2025-10-07 12:15 ` Ming Lei
2025-10-08 5:56 ` Christoph Hellwig
2025-10-09 1:25 ` Ming Lei
2025-10-13 6:26 ` Christoph Hellwig
2025-10-13 8:26 ` Ming Lei
2025-09-28 18:42 ` [syzbot ci] Re: loop: improve loop aio perf by IOCB_NOWAIT syzbot ci
2025-09-29 1:13 ` Ming Lei
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