Re: [PATCH 1/3] pmem: Initial version of persistent memory driver

From: Christoph Hellwig
Date: Thu Mar 26 2015 - 04:07:04 EST


On Wed, Mar 25, 2015 at 02:21:53PM -0600, Ross Zwisler wrote:
> What needed to be fixed with the partition support? I used to have real
> numbers for first_minor and passed into alloc_disk(), but simplified it based
> on code found in this commit in the nvme driver:
>
> 469071a37afc NVMe: Dynamically allocate partition numbers
>
> This has worked fine for me - is there some test case in which it breaks?

Yes, if CONFIG_DEBUG_BLOCK_EXT_DEVT isn't set that code doesn't work at all.

> > +out_unmap:
> > + pmem_unmapmem(pmem);
> > +out_free_dev:
> > + kfree(pmem);
> > +out:
>
> This label is no longer used, and can be removed.

Ok, fixed.
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