Date: Wed, 8 Mar 2017 07:02:27 -0800
From: Davidlohr Bueso <dave@stgolabs.net>
To: Oleg Drokin <oleg.drokin@intel.com>
Cc: mingo@kernel.org, peterz@infradead.org, akpm@linux-foundation.org,
        jack@suse.cz, kirill.shutemov@linux.intel.com, mhocko@suse.com,
        mgorman@techsingularity.net, linux-kernel@vger.kernel.org,
        andreas.dilger@intel.com, jsimmons@infradead.org,
        lustre-devel@lists.lustre.org, Davidlohr Bueso <dbueso@suse.de>
Subject: Re: [PATCH 5/5] staging/lustre: Use generic range rwlock
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On Tue, 07 Mar 2017, Oleg Drokin wrote:
>On Mar 7, 2017, at 12:03 AM, Davidlohr Bueso wrote:
>
>> This replaces the in-house version, which is also derived
>> from Jan's interval tree implementation.
>>
>> Cc: oleg.drokin@intel.com
>> Cc: andreas.dilger@intel.com
>> Cc: jsimmons@infradead.org
>> Cc: lustre-devel@lists.lustre.org
>>
>> Signed-off-by: Davidlohr Bueso <dbueso@suse.de>
>> ---
>> XXX: compile tested only. In house uses 'ulong long', generic uses 'ulong', is this a problem?
>
>Hm, cannot seem to find the other patches in this series anywhere to verify and my subscription to linux-kernel broke as it turns out.

You can find the full series here:

https://lwn.net/Articles/716383/

>You mean the range is ulong? So only can have this working up to 2G offsets on the
>32bit systems and then wrap around?

Yes.

Thanks,
Davidlohr