Re: -tip: block, mm: Fix build error in mm/memcontrol.c
From: Ingo Molnar
Date: Sat Jul 11 2009 - 15:03:25 EST
* Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx> wrote:
> On Sat, 11 Jul 2009, Ingo Molnar wrote:
> >
> > Today's upstream tree build (x86, 64-bit, allyesconfig) failed
> > with this build error:
>
> I merged a better fix from Trond, which should make all of this
> unnecessary (just move BLK_RW_[A]SYNC to the header file that
> people need anyway).
ok, that's better. I think if in addition to that we also did what i
suggested:
> Fix it the simplest way for now, by moving the definitions early
> in blkdev.h (this cannot break anything), but the real fix would
> be to split up blkdev.h into blkdev-types.h and blkdev-api.h and
> make only the API definitions/declarations dependent on
> CONFIG_BLOCK.
would be one step cleaner.
We could then include blkdev-types.h in backing-dev.h so that it
picks up the constants. Right now having BLK_RW_[A]SYNC in
backing-dev.h looks a bit weird. No strong opinion though.
Ingo
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