From: Hannes Reinecke <hare@suse.de>
To: Ming Lei <ming.lei@redhat.com>, Jens Axboe <axboe@kernel.dk>
Cc: linux-block@vger.kernel.org, Christoph Hellwig <hch@lst.de>,
linux-bcache@vger.kernel.org, Coly Li <colyli@suse.de>
Subject: Re: [PATCH V3 6/6] bcache: don't pass BIOSET_NEED_BVECS for the 'bio_set' embedded in 'cache_set'
Date: Mon, 11 Jan 2021 08:00:39 +0100 [thread overview]
Message-ID: <b6a70001-6b0d-246d-64e7-0b441518ca92@suse.de> (raw)
In-Reply-To: <20210111030557.4154161-7-ming.lei@redhat.com>
On 1/11/21 4:05 AM, Ming Lei wrote:
> This bioset is just for allocating bio only from bio_next_split, and it
> needn't bvecs, so remove the flag.
>
> Cc: linux-bcache@vger.kernel.org
> Cc: Coly Li <colyli@suse.de>
> Reviewed-by: Christoph Hellwig <hch@lst.de>
> Signed-off-by: Ming Lei <ming.lei@redhat.com>
> ---
> drivers/md/bcache/super.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/md/bcache/super.c b/drivers/md/bcache/super.c
> index a4752ac410dc..4102e47f43e1 100644
> --- a/drivers/md/bcache/super.c
> +++ b/drivers/md/bcache/super.c
> @@ -1897,7 +1897,7 @@ struct cache_set *bch_cache_set_alloc(struct cache_sb *sb)
> goto err;
>
> if (bioset_init(&c->bio_split, 4, offsetof(struct bbio, bio),
> - BIOSET_NEED_BVECS|BIOSET_NEED_RESCUER))
> + BIOSET_NEED_RESCUER))
> goto err;
>
> c->uuids = alloc_meta_bucket_pages(GFP_KERNEL, sb);
>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Cheers,
Hannes
--
Dr. Hannes Reinecke Kernel Storage Architect
hare@suse.de +49 911 74053 688
SUSE Software Solutions GmbH, Maxfeldstr. 5, 90409 Nürnberg
HRB 36809 (AG Nürnberg), Geschäftsführer: Felix Imendörffer
next prev parent reply other threads:[~2021-01-11 7:01 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-01-11 3:05 [PATCH V3 0/6] block: improvement on bioset & bvec allocation Ming Lei
2021-01-11 3:05 ` [PATCH V3 1/6] block: manage bio slab cache by xarray Ming Lei
2021-01-11 4:39 ` Pavel Begunkov
2021-01-11 6:57 ` Hannes Reinecke
2021-01-11 3:05 ` [PATCH V3 2/6] block: don't pass BIOSET_NEED_BVECS for q->bio_split Ming Lei
2021-01-11 4:41 ` Pavel Begunkov
2021-01-11 6:57 ` Hannes Reinecke
2021-01-11 3:05 ` [PATCH V3 3/6] block: don't allocate inline bvecs if this bioset needn't bvecs Ming Lei
2021-01-11 4:41 ` Pavel Begunkov
2021-01-11 6:58 ` Hannes Reinecke
2021-01-11 3:05 ` [PATCH V3 4/6] block: set .bi_max_vecs as actual allocated vector number Ming Lei
2021-01-11 4:42 ` Pavel Begunkov
2021-01-11 6:59 ` Hannes Reinecke
2021-01-11 3:05 ` [PATCH V3 5/6] block: move three bvec helpers declaration into private helper Ming Lei
2021-01-11 4:42 ` Pavel Begunkov
2021-01-11 7:00 ` Hannes Reinecke
2021-01-11 3:05 ` [PATCH V3 6/6] bcache: don't pass BIOSET_NEED_BVECS for the 'bio_set' embedded in 'cache_set' Ming Lei
2021-01-11 3:54 ` Coly Li
2021-01-11 7:00 ` Hannes Reinecke [this message]
2021-01-11 4:35 ` [PATCH V3 0/6] block: improvement on bioset & bvec allocation Pavel Begunkov
2021-01-25 2:27 ` Ming Lei
2021-01-25 4:24 ` Jens Axboe
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