[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Message-ID: <20150507072602.GA23239@lst.de>
Date: Thu, 7 May 2015 09:26:02 +0200
From: Christoph Hellwig <hch@....de>
To: Ross Zwisler <ross.zwisler@...ux.intel.com>
Cc: Christoph Hellwig <hch@....de>, linux-nvdimm@...1.01.org,
linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org,
x86@...nel.org, boaz@...xistor.com, axboe@...nel.dk
Subject: Re: [PATCH 1/3] pmem: Initial version of persistent memory driver
On Mon, May 04, 2015 at 10:43:01AM -0600, Ross Zwisler wrote:
> > Yes, if CONFIG_DEBUG_BLOCK_EXT_DEVT isn't set that code doesn't work at all.
>
> I can't figure out a use case that breaks when using dynamically allocated
> minors without CONFIG_DEBUG_BLOCK_EXT_DEVT. The patch that I've been testing
> against is at the bottom of this mail.
>
> Here are the minors that I get when creating a bunch of partitions using the
> current code with PMEM_MINORS=16, with CONFIG_DEBUG_BLOCK_EXT_DEVT turned off:
FYI, your patch below works fine for me, but the original one certainly
didn't. One big difference was that it also removed the register_blkdev
call and thus assigning a major number.
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
Powered by blists - more mailing lists