From: Hannes Reinecke <hare@suse.de>
To: Christoph Hellwig <hch@lst.de>
Cc: axboe@kernel.dk, Bart.VanAssche@wdc.com, willy@infradead.org,
linux-block@vger.kernel.org, linux-mm@kvack.org
Subject: Re: [PATCH 7/7] block: use GFP_KERNEL for allocations from blk_get_request
Date: Tue, 10 Apr 2018 08:29:13 +0200 [thread overview]
Message-ID: <20180410082913.475c8ca3@pentland.suse.de> (raw)
In-Reply-To: <20180409153916.23901-8-hch@lst.de>
On Mon, 9 Apr 2018 17:39:16 +0200
Christoph Hellwig <hch@lst.de> wrote:
> blk_get_request is used for pass-through style I/O and thus doesn't
> need GFP_NOIO.
>
> Signed-off-by: Christoph Hellwig <hch@lst.de>
> ---
> block/blk-core.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/block/blk-core.c b/block/blk-core.c
> index 432923751551..253a869558f9 100644
> --- a/block/blk-core.c
> +++ b/block/blk-core.c
> @@ -1578,7 +1578,7 @@ static struct request
> *blk_old_get_request(struct request_queue *q, unsigned int op,
> blk_mq_req_flags_t flags) {
> struct request *rq;
> - gfp_t gfp_mask = flags & BLK_MQ_REQ_NOWAIT ? GFP_ATOMIC :
> GFP_NOIO;
> + gfp_t gfp_mask = flags & BLK_MQ_REQ_NOWAIT ? GFP_ATOMIC :
> GFP_KERNEL; int ret = 0;
>
> WARN_ON_ONCE(q->mq_ops);
Reviewed-by: Hannes Reinecke <hare@suse.com>
Cheers,
Hannes
prev parent reply other threads:[~2018-04-10 6:29 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-04-09 15:39 [RFC] fix confusion around GFP_* flags and blk_get_request Christoph Hellwig
2018-04-09 15:39 ` [PATCH 1/7] scsi/osd: remove the gfp argument to osd_start_request Christoph Hellwig
2018-04-09 15:39 ` [PATCH 2/7] block: fix __get_request documentation Christoph Hellwig
2018-04-09 15:39 ` [PATCH 3/7] block: sanitize blk_get_request calling conventions Christoph Hellwig
2018-04-10 6:26 ` Hannes Reinecke
2018-04-09 15:39 ` [PATCH 4/7] block: pass explicit gfp_t to get_request Christoph Hellwig
2018-04-10 6:27 ` Hannes Reinecke
2018-04-09 15:39 ` [PATCH 5/7] block: use GFP_NOIO instead of __GFP_DIRECT_RECLAIM Christoph Hellwig
2018-04-10 6:27 ` Hannes Reinecke
2018-04-09 15:39 ` [PATCH 6/7] block: consistently use GFP_NOIO instead of __GFP_NORECLAIM Christoph Hellwig
2018-04-09 16:03 ` Matthew Wilcox
2018-04-09 17:20 ` Christoph Hellwig
2018-04-10 6:28 ` Hannes Reinecke
2018-04-09 15:39 ` [PATCH 7/7] block: use GFP_KERNEL for allocations from blk_get_request Christoph Hellwig
2018-04-09 16:52 ` Matthew Wilcox
2018-04-09 17:21 ` Christoph Hellwig
2018-04-10 6:29 ` Hannes Reinecke [this message]
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