From: Ross Zwisler <ross.zwisler@linux.intel.com>
To: Dan Williams <dan.j.williams@intel.com>
Cc: linux-block@vger.kernel.org, linux-nvdimm@lists.01.org,
Dave Chinner <david@fromorbit.com>,
linux-kernel@vger.kernel.org, Christoph Hellwig <hch@lst.de>,
axboe@fb.com, Jeff Moyer <jmoyer@redhat.com>,
Jan Kara <jack@suse.com>,
linux-fsdevel@vger.kernel.org,
Matthew Wilcox <willy@linux.intel.com>,
Andrew Morton <akpm@linux-foundation.org>,
Ross Zwisler <ross.zwisler@linux.intel.com>
Subject: Re: [PATCH 2/2] block: use DAX for partition table reads
Date: Fri, 29 Jan 2016 12:24:08 -0700 [thread overview]
Message-ID: <20160129192408.GD5224@linux.intel.com> (raw)
In-Reply-To: <20160129151846.18752.48460.stgit@dwillia2-desk3.amr.corp.intel.com>
On Fri, Jan 29, 2016 at 07:18:46AM -0800, Dan Williams wrote:
> Avoid populating pagecache when the block device is in DAX mode.
> Otherwise these page cache entries collide with the fsync/msync
> implementation and break data durability guarantees.
>
> Cc: Jan Kara <jack@suse.com>
> Cc: Jeff Moyer <jmoyer@redhat.com>
> Cc: Christoph Hellwig <hch@lst.de>
> Cc: Dave Chinner <david@fromorbit.com>
> Cc: Matthew Wilcox <willy@linux.intel.com>
> Cc: Andrew Morton <akpm@linux-foundation.org>
> Reported-by: Ross Zwisler <ross.zwisler@linux.intel.com>
> Signed-off-by: Dan Williams <dan.j.williams@intel.com>
This solves the problem for me, thanks!
Tested-by: Ross Zwisler <ross.zwisler@linux.intel.com>
WARNING: multiple messages have this Message-ID (diff)
From: Ross Zwisler <ross.zwisler@linux.intel.com>
To: Dan Williams <dan.j.williams@intel.com>
Cc: linux-block@vger.kernel.org, linux-nvdimm@ml01.01.org,
Dave Chinner <david@fromorbit.com>,
linux-kernel@vger.kernel.org, Christoph Hellwig <hch@lst.de>,
axboe@fb.com, Jeff Moyer <jmoyer@redhat.com>,
Jan Kara <jack@suse.com>,
linux-fsdevel@vger.kernel.org,
Matthew Wilcox <willy@linux.intel.com>,
Andrew Morton <akpm@linux-foundation.org>,
Ross Zwisler <ross.zwisler@linux.intel.com>
Subject: Re: [PATCH 2/2] block: use DAX for partition table reads
Date: Fri, 29 Jan 2016 12:24:08 -0700 [thread overview]
Message-ID: <20160129192408.GD5224@linux.intel.com> (raw)
In-Reply-To: <20160129151846.18752.48460.stgit@dwillia2-desk3.amr.corp.intel.com>
On Fri, Jan 29, 2016 at 07:18:46AM -0800, Dan Williams wrote:
> Avoid populating pagecache when the block device is in DAX mode.
> Otherwise these page cache entries collide with the fsync/msync
> implementation and break data durability guarantees.
>
> Cc: Jan Kara <jack@suse.com>
> Cc: Jeff Moyer <jmoyer@redhat.com>
> Cc: Christoph Hellwig <hch@lst.de>
> Cc: Dave Chinner <david@fromorbit.com>
> Cc: Matthew Wilcox <willy@linux.intel.com>
> Cc: Andrew Morton <akpm@linux-foundation.org>
> Reported-by: Ross Zwisler <ross.zwisler@linux.intel.com>
> Signed-off-by: Dan Williams <dan.j.williams@intel.com>
This solves the problem for me, thanks!
Tested-by: Ross Zwisler <ross.zwisler@linux.intel.com>
next prev parent reply other threads:[~2016-01-29 19:24 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-01-29 15:18 [PATCH 0/2] block: fix raw block device dax support Dan Williams
2016-01-29 15:18 ` Dan Williams
2016-01-29 15:18 ` [PATCH 1/2] block: revert runtime dax control of the raw block device Dan Williams
2016-01-29 15:18 ` Dan Williams
2016-01-29 17:54 ` Ross Zwisler
2016-01-29 17:54 ` Ross Zwisler
2016-01-29 15:18 ` [PATCH 2/2] block: use DAX for partition table reads Dan Williams
2016-01-29 15:18 ` Dan Williams
2016-01-29 17:46 ` Jens Axboe
2016-01-29 17:46 ` Jens Axboe
2016-01-29 17:46 ` Jens Axboe
2016-01-29 17:54 ` Dan Williams
2016-01-29 17:54 ` Dan Williams
2016-01-29 19:24 ` Ross Zwisler [this message]
2016-01-29 19:24 ` Ross Zwisler
2016-01-29 22:45 ` Matthew Wilcox
2016-01-29 22:45 ` Matthew Wilcox
2016-01-30 0:33 ` [PATCH v2] " Dan Williams
2016-01-30 0:33 ` Dan Williams
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