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From: Christoph Hellwig <hch@lst.de>
To: Dan Williams <dan.j.williams@intel.com>, Jens Axboe <axboe@kernel.dk>
Cc: Vishal Verma <vishal.l.verma@intel.com>,
	Dave Jiang <dave.jiang@intel.com>,
	Ira Weiny <ira.weiny@intel.com>,
	linux-block@vger.kernel.org, nvdimm@lists.linux.dev
Subject: fix a dax/block device attribute registration regression
Date: Mon, 20 Sep 2021 09:27:23 +0200	[thread overview]
Message-ID: <20210920072726.1159572-1-hch@lst.de> (raw)

Hi Dan and Jens,

this series fixed a regression in how the dax/write_cache attribute of the
pmem devices was registere.  It does so by both fixing the API abuse in the
driver and (temporarily) the behavior change in the block layer that made
this API abuse not work anymore.

Diffstat:
 block/genhd.c         |    3 +-
 drivers/dax/super.c   |   64 --------------------------------------------------
 drivers/nvdimm/pmem.c |   48 ++++++++++++++++++++++++++++++++++---
 include/linux/dax.h   |    2 -
 4 files changed, 46 insertions(+), 71 deletions(-)

             reply	other threads:[~2021-09-20  7:28 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-09-20  7:27 Christoph Hellwig [this message]
2021-09-20  7:27 ` [PATCH 1/3] nvdimm/pmem: fix creating the dax group Christoph Hellwig
2021-09-20 22:52   ` Ira Weiny
2021-09-20 23:09   ` Dan Williams
2021-09-20 23:09     ` Dan Williams
2021-09-20  7:27 ` [PATCH 2/3] nvdimm/pmem: move dax_attribute_group from dax to pmem Christoph Hellwig
2021-09-20 18:00   ` kernel test robot
2021-09-20 18:00     ` kernel test robot
2021-09-20 23:29     ` Dan Williams
2021-09-20 23:29       ` Dan Williams
2021-09-20 23:29       ` Dan Williams
2021-09-20 22:51   ` Ira Weiny
2021-09-20 23:36     ` Dan Williams
2021-09-20 23:36       ` Dan Williams
2021-09-20 23:37   ` Dan Williams
2021-09-20 23:37     ` Dan Williams
2021-09-20  7:27 ` [PATCH 3/3] block: warn if ->groups is set when calling add_disk Christoph Hellwig
2021-09-20 22:52   ` Ira Weiny
2021-09-20 23:50   ` Dan Williams
2021-09-20 23:50     ` Dan Williams
2021-09-21  6:32     ` Christoph Hellwig
2021-09-22 18:33 fix a dax/block device attribute registration regression Christoph Hellwig
2021-09-27 18:19 ` Dan Williams
2021-09-27 18:19   ` Dan Williams

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