On Fri, Oct 14, 2016 at 03:28:41PM +0200, Paul Bolle wrote:
> Hi,
> I had a build of v4.4.24, with CONFIG_NVM not set, fail like this:
>     drivers/block/null_blk.c:569:27: error: storage size of 
> 'null_lnvm_dev_ops' isn't known
>      static struct nvm_dev_ops null_lnvm_dev_ops;
>                                ^~~~~~~~~~~~~~~~~
>     scripts/Makefile.build:264: recipe for target 'drivers/block/null_blk.o' 
> failed
>     make[2]: *** [drivers/block/null_blk.o] Error 1
>     scripts/Makefile.build:403: recipe for target 'drivers/block' failed
>     make[1]: *** [drivers/block] Error 2
>     Makefile:959: recipe for target 'drivers' failed
>     make: *** [drivers] Error 2
> Jens' commit a7fd9a4f3e81 ("lightnvm: ensure that nvm_dev_ops can be
> used without CONFIG_NVM") fixed that for me (it did require a small
> context change to get it applied to v4.4.24). Does it make sense to add
> that commit to the v4.4.y stable tree?

Makes sense to me, can you forward on a patch that applies cleanly and
I'll queue it up for the next round (after this one.)


greg k-h

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