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From: Christoph Hellwig <hch@lst.de>
To: Tejun Heo <tj@kernel.org>
Cc: axboe@kernel.dk, josef@toxicpanda.com, hch@lst.de,
	linux-block@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 2/4] blkcg: Restructure blkg_conf_prep() and friends
Date: Tue, 10 Jan 2023 08:09:29 +0100	[thread overview]
Message-ID: <20230110070929.GH10289@lst.de> (raw)
In-Reply-To: <20230105212432.289569-3-tj@kernel.org>

On Thu, Jan 05, 2023 at 11:24:30AM -1000, Tejun Heo wrote:
> * blkg_conf_open_bdev() is updated to take a pointer to blkg_conf_ctx like
>   blkg_conf_prep() and can be called multiple times safely. Instead of
>   modifying the double pointer to input string directly,
>   blkg_conf_open_bdev() now sets blkg_conf_ctx->body.

This looks pretty awkward for the externals callers of blkcg_conf_open_bdev
in blk-iocost.  I'd either keep the calling conventions as they are
at the moment, or just open code blkcg_conf_open_bdev in blk-iocost.

  reply	other threads:[~2023-01-10  7:09 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-01-05 21:24 [PATCHSET v2 block/for-next] blkcg: Improve blkg config helpers and make iolatency init lazy Tejun Heo
2023-01-05 21:24 ` [PATCH 1/4] blkcg: Drop unnecessary RCU read [un]locks from blkg_conf_prep/finish() Tejun Heo
2023-01-08 17:02   ` Christoph Hellwig
2023-01-09 20:48     ` Tejun Heo
2023-01-10  6:49       ` Christoph Hellwig
2023-01-10 18:24         ` Tejun Heo
2023-01-05 21:24 ` [PATCH 2/4] blkcg: Restructure blkg_conf_prep() and friends Tejun Heo
2023-01-10  7:09   ` Christoph Hellwig [this message]
2023-01-10 18:33     ` Tejun Heo
2023-01-05 21:24 ` [PATCH 3/4] blk-iolatency: s/blkcg_rq_qos/iolat_rq_qos/ Tejun Heo
2023-01-10  7:09   ` Christoph Hellwig
2023-01-05 21:24 ` [PATCH 4/4] blk-iolatency: Make initialization lazy Tejun Heo
2023-01-10  7:10   ` Christoph Hellwig
  -- strict thread matches above, loose matches on Subject: below --
2023-04-13  0:06 [PATCHSET v4 block/for-next] blkcg: Improve blkg config helpers and make iolatency init lazy Tejun Heo
2023-04-13  0:06 ` [PATCH 2/4] blkcg: Restructure blkg_conf_prep() and friends Tejun Heo
2023-04-13  5:00   ` Christoph Hellwig
2023-01-10 22:27 [PATCHSET v3 block/for-next] blkcg: Improve blkg config helpers and make iolatency init lazy Tejun Heo
2023-01-10 22:27 ` [PATCH 2/4] blkcg: Restructure blkg_conf_prep() and friends Tejun Heo
2023-01-05  0:20 [PATCHSET block/for-next] blkcg: Improve blkg config helpers and make iolatency init lazy Tejun Heo
2023-01-05  0:20 ` [PATCH 2/4] blkcg: Restructure blkg_conf_prep() and friends Tejun Heo

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