From: Christoph Hellwig <hch@lst.de>
To: Ming Lei <ming.lei@redhat.com>
Cc: Jens Axboe <axboe@kernel.dk>,
linux-block@vger.kernel.org, Christoph Hellwig <hch@lst.de>,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH 4/6] block: set .bi_max_vecs as actual allocated vector number
Date: Mon, 4 Jan 2021 09:55:59 +0100 [thread overview]
Message-ID: <20210104085559.GC28949@lst.de> (raw)
In-Reply-To: <20201230003255.3450874-5-ming.lei@redhat.com>
On Wed, Dec 30, 2020 at 08:32:53AM +0800, Ming Lei wrote:
> bvec_alloc() may allocate more bio vectors than requested, so set .bi_max_vecs as
> actual allocated vector number, instead of the requested number. This way can help
> fs build bigger bio because new bio often won't be allocated until the current one
> becomes full.
Overly long lines above.
Otherwise looks good:
Reviewed-by: Christoph Hellwig <hch@lst.de>
next prev parent reply other threads:[~2021-01-04 8:57 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-12-30 0:32 [PATCH 0/6] block: improvement on bioset & bvec allocation Ming Lei
2020-12-30 0:32 ` [PATCH 1/6] block: manage bio slab cache by xarray Ming Lei
2021-01-04 8:54 ` Christoph Hellwig
2020-12-30 0:32 ` [PATCH 2/6] block: don't pass BIOSET_NEED_BVECS for q->bio_split Ming Lei
2021-01-04 18:13 ` Christoph Hellwig
2020-12-30 0:32 ` [PATCH 3/6] block: don't allocate inline bvecs if this bioset needn't bvecs Ming Lei
2021-01-04 8:55 ` Christoph Hellwig
2020-12-30 0:32 ` [PATCH 4/6] block: set .bi_max_vecs as actual allocated vector number Ming Lei
2021-01-04 8:55 ` Christoph Hellwig [this message]
2020-12-30 0:32 ` [PATCH 5/6] block: move three bvec helpers declaration into private helper Ming Lei
2021-01-04 8:56 ` Christoph Hellwig
2020-12-30 0:32 ` [PATCH 6/6] bcache: don't pass BIOSET_NEED_BVECS for the 'bio_set' embedded in 'cache_set' Ming Lei
2021-01-04 8:57 ` Christoph Hellwig
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