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Re: [RFC PATCH 2/2] lightnvm: add non-continuous lun target creation support

From Wenwei Tao <ww.tao0320@gmail.com>
Newsgroups linux.kernel
Subject Re: [RFC PATCH 2/2] lightnvm: add non-continuous lun target creation support
Date 2016-01-21 15:00 +0100
Message-ID <qTnWi-5YM-27@gated-at.bofh.it> (permalink)
References (2 earlier) <qT0ZI-73U-1@gated-at.bofh.it> <qTiae-24V-3@gated-at.bofh.it> <qTijT-2ct-1@gated-at.bofh.it> <qTk2m-3oR-21@gated-at.bofh.it> <qTkc3-3tc-21@gated-at.bofh.it>
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2016-01-21 17:49 GMT+08:00 Matias Bjørling <mb@lightnvm.io>:
> On 01/21/2016 10:47 AM, Wenwei Tao wrote:
> <snip>
>>
>> Currently a bitmap of luns already added into nvm_dev, every time we
>> map the luns we check the bitmap.
>> I don't quite understand why we need to add another bitmap?
>
> We can definitely use lun_map that you introduced in the patch.
>
Then I think the suggestion:

>How about extending the functionality to take a bitmap of luns, which
>defines the luns that we like to map. Do the necessary check if any of
>them is in use, and then proceed if all is available?

has already been implemented in this patch.
Hope not misunderstand your suggestion.

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Thread

[RFC PATCH 1/2] lightnvm: specify target's logical address area Wenwei Tao <ww.tao0320@gmail.com> - 2016-01-15 12:50 +0100
  [RFC PATCH 2/2] lightnvm: add non-continuous lun target creation support Wenwei Tao <ww.tao0320@gmail.com> - 2016-01-15 12:50 +0100
    Re: [RFC PATCH 2/2] lightnvm: add non-continuous lun target creation  support Matias Bjørling <mb@lightnvm.io> - 2016-01-20 14:30 +0100
      Re: [RFC PATCH 2/2] lightnvm: add non-continuous lun target creation support Wenwei Tao <ww.tao0320@gmail.com> - 2016-01-21 08:50 +0100
        Re: [RFC PATCH 2/2] lightnvm: add non-continuous lun target creation  support Matias Bjørling <mb@lightnvm.io> - 2016-01-21 09:00 +0100
          Re: [RFC PATCH 2/2] lightnvm: add non-continuous lun target creation support Wenwei Tao <ww.tao0320@gmail.com> - 2016-01-21 10:50 +0100
            Re: [RFC PATCH 2/2] lightnvm: add non-continuous lun target creation  support Matias Bjørling <mb@lightnvm.io> - 2016-01-21 11:00 +0100
              Re: [RFC PATCH 2/2] lightnvm: add non-continuous lun target creation support Wenwei Tao <ww.tao0320@gmail.com> - 2016-01-21 15:00 +0100
                Re: [RFC PATCH 2/2] lightnvm: add non-continuous lun target creation  support Matias Bjørling <m@bjorling.me> - 2016-01-21 17:10 +0100
  Re: [RFC PATCH 1/2] lightnvm: specify target's logical address area Matias Bjørling <mb@lightnvm.io> - 2016-01-20 14:10 +0100
    Re: [RFC PATCH 1/2] lightnvm: specify target's logical address area Wenwei Tao <ww.tao0320@gmail.com> - 2016-01-21 08:10 +0100

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