From: Christoph Hellwig <hch@lst.de>
To: Jens Axboe <axboe@kernel.dk>
Cc: linux-fsdevel@vger.kernel.org, linux-aio@kvack.org,
linux-block@vger.kernel.org, linux-arch@vger.kernel.org,
hch@lst.de, jmoyer@redhat.com, avi@scylladb.com
Subject: Re: [PATCH 11/16] io_uring: batch io_kiocb allocation
Date: Wed, 9 Jan 2019 13:13:40 +0100 [thread overview]
Message-ID: <20190109121340.GD13779@lst.de> (raw)
In-Reply-To: <20190108165645.19311-12-axboe@kernel.dk>
> + if (!state)
> + req = kmem_cache_alloc(kiocb_cachep, GFP_KERNEL);
Just return an error here if kmem_cache_alloc fails.
> + if (req)
> + io_req_init(ctx, req);
Because all the other ones can't reached this with a NULL req.
next prev parent reply other threads:[~2019-01-09 12:13 UTC|newest]
Thread overview: 72+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-01-08 16:56 [PATCHSET v1] io_uring IO interface Jens Axboe
2019-01-08 16:56 ` Jens Axboe
2019-01-08 16:56 ` [PATCH 01/16] fs: add an iopoll method to struct file_operations Jens Axboe
2019-01-08 16:56 ` Jens Axboe
2019-01-08 16:56 ` [PATCH 02/16] block: wire up block device iopoll method Jens Axboe
2019-01-08 16:56 ` Jens Axboe
2019-01-08 16:56 ` [PATCH 03/16] block: add bio_set_polled() helper Jens Axboe
2019-01-08 16:56 ` Jens Axboe
2019-01-10 9:43 ` Ming Lei
2019-01-10 9:43 ` Ming Lei
2019-01-10 16:05 ` Jens Axboe
2019-01-10 16:05 ` Jens Axboe
2019-01-08 16:56 ` [PATCH 04/16] iomap: wire up the iopoll method Jens Axboe
2019-01-08 16:56 ` Jens Axboe
2019-01-08 16:56 ` [PATCH 05/16] Add io_uring IO interface Jens Axboe
2019-01-08 16:56 ` Jens Axboe
2019-01-09 12:10 ` Christoph Hellwig
2019-01-09 15:53 ` Jens Axboe
2019-01-09 15:53 ` Jens Axboe
2019-01-09 18:30 ` Christoph Hellwig
2019-01-09 18:30 ` Christoph Hellwig
2019-01-09 20:07 ` Jens Axboe
2019-01-09 20:07 ` Jens Axboe
2019-01-08 16:56 ` [PATCH 06/16] io_uring: support for IO polling Jens Axboe
2019-01-08 16:56 ` Jens Axboe
2019-01-09 12:11 ` Christoph Hellwig
2019-01-09 15:53 ` Jens Axboe
2019-01-09 15:53 ` Jens Axboe
2019-01-08 16:56 ` [PATCH 07/16] io_uring: add submission side request cache Jens Axboe
2019-01-08 16:56 ` Jens Axboe
2019-01-08 16:56 ` [PATCH 08/16] fs: add fget_many() and fput_many() Jens Axboe
2019-01-08 16:56 ` Jens Axboe
2019-01-08 16:56 ` [PATCH 09/16] io_uring: use fget/fput_many() for file references Jens Axboe
2019-01-08 16:56 ` Jens Axboe
2019-01-08 16:56 ` [PATCH 10/16] io_uring: split kiocb init from allocation Jens Axboe
2019-01-08 16:56 ` Jens Axboe
2019-01-09 12:12 ` Christoph Hellwig
2019-01-09 12:12 ` Christoph Hellwig
2019-01-09 16:56 ` Jens Axboe
2019-01-09 16:56 ` Jens Axboe
2019-01-08 16:56 ` [PATCH 11/16] io_uring: batch io_kiocb allocation Jens Axboe
2019-01-08 16:56 ` Jens Axboe
2019-01-09 12:13 ` Christoph Hellwig [this message]
2019-01-09 16:57 ` Jens Axboe
2019-01-09 16:57 ` Jens Axboe
2019-01-09 19:03 ` Christoph Hellwig
2019-01-09 20:08 ` Jens Axboe
2019-01-09 20:08 ` Jens Axboe
2019-01-08 16:56 ` [PATCH 12/16] block: implement bio helper to add iter bvec pages to bio Jens Axboe
2019-01-08 16:56 ` Jens Axboe
2019-01-08 16:56 ` [PATCH 13/16] io_uring: add support for pre-mapped user IO buffers Jens Axboe
2019-01-08 16:56 ` Jens Axboe
2019-01-09 12:16 ` Christoph Hellwig
2019-01-09 17:06 ` Jens Axboe
2019-01-09 17:06 ` Jens Axboe
2019-01-08 16:56 ` [PATCH 14/16] io_uring: support kernel side submission Jens Axboe
2019-01-08 16:56 ` Jens Axboe
2019-01-09 19:06 ` Christoph Hellwig
2019-01-09 20:49 ` Jens Axboe
2019-01-09 20:49 ` Jens Axboe
2019-01-08 16:56 ` [PATCH 15/16] io_uring: add submission polling Jens Axboe
2019-01-08 16:56 ` Jens Axboe
2019-01-08 16:56 ` [PATCH 16/16] io_uring: add io_uring_event cache hit information Jens Axboe
2019-01-08 16:56 ` Jens Axboe
2019-01-09 16:00 ` [PATCHSET v1] io_uring IO interface Matthew Wilcox
2019-01-09 16:00 ` Matthew Wilcox
2019-01-09 16:27 ` Chris Mason
2019-01-09 16:27 ` Chris Mason
-- strict thread matches above, loose matches on Subject: below --
2019-01-12 21:29 [PATCHSET v3] " Jens Axboe
2019-01-12 21:30 ` [PATCH 11/16] io_uring: batch io_kiocb allocation Jens Axboe
2019-01-12 21:30 ` Jens Axboe
2019-01-15 2:55 (unknown), Jens Axboe
2019-01-15 2:55 ` [PATCH 11/16] io_uring: batch io_kiocb allocation Jens Axboe
2019-01-15 2:55 ` Jens Axboe
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