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From: Miquel Raynal <miquel.raynal@bootlin.com>
To: Christoph Hellwig <hch@lst.de>,
	Miquel Raynal <miquel.raynal@bootlin.com>,
	Richard Weinberger <richard@nod.at>,
	Vignesh Raghavendra <vigneshr@ti.com>
Cc: Guenter Roeck <linux@roeck-us.net>, linux-mtd@lists.infradead.org
Subject: Re: [PATCH 6/8] mtd_blkdevs: remove blktrans_ref_mutex
Date: Mon, 23 Aug 2021 10:33:22 +0200	[thread overview]
Message-ID: <20210823083322.9191-1-miquel.raynal@bootlin.com> (raw)
In-Reply-To: <20210823073359.705281-7-hch@lst.de>

On Mon, 2021-08-23 at 07:33:57 UTC, Christoph Hellwig wrote:
> blktrans_ref_mutex is not actually needed.  The kref is serialized
> internally, and devnum assignment in add_mtd_blktrans_dev happens before
> the disk is added and thus any of the block_device_operations methods
> otherwise using it are called.  It  is also already serialized by the
> global mtd_table_mutex.
> 
> Signed-off-by: Christoph Hellwig <hch@lst.de>

Applied to https://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux.git mtd/next, thanks.

Miquel

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  reply	other threads:[~2021-08-23  8:34 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-08-23  7:33 mtd locking fix and cleanups Christoph Hellwig
2021-08-23  7:33 ` [PATCH 1/8] mtd_blkdevs: don't hold del_mtd_blktrans_dev in blktrans_{open, release} Christoph Hellwig
2021-08-23  8:33   ` Miquel Raynal
2021-08-23  7:33 ` [PATCH 2/8] mtd_blkdevs: use lockdep_assert_held Christoph Hellwig
2021-08-23  8:33   ` Miquel Raynal
2021-08-23  7:33 ` [PATCH 3/8] mtd/ftl: don't cast away the type when calling add_mtd_blktrans_dev Christoph Hellwig
2021-08-23  8:33   ` Miquel Raynal
2021-08-23  7:33 ` [PATCH 4/8] mtd/rfd_ftl: " Christoph Hellwig
2021-08-23  8:33   ` Miquel Raynal
2021-08-23  7:33 ` [PATCH 5/8] mtd_blkdevs: simplify blktrans_dev_get Christoph Hellwig
2021-08-23  8:33   ` Miquel Raynal
2021-08-23  7:33 ` [PATCH 6/8] mtd_blkdevs: remove blktrans_ref_mutex Christoph Hellwig
2021-08-23  8:33   ` Miquel Raynal [this message]
2021-08-23  7:33 ` [PATCH 7/8] mtd_blkdevs: simplify blktrans_getgeo Christoph Hellwig
2021-08-23  8:33   ` Miquel Raynal
2021-08-23  7:33 ` [PATCH 8/8] mtd_blkdevs: simplify the refcounting in blktrans_{open, release} Christoph Hellwig
2021-08-23  8:33   ` Miquel Raynal
2021-08-23  8:30 ` mtd locking fix and cleanups Miquel Raynal

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