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SubjectRe: fs/Kconfig question regarding CONFIG_BLOCK
On Wed, 18 Oct 2006 09:09:22 +0200 Jens Axboe wrote:

> On Tue, Oct 17 2006, Jan Engelhardt wrote:
> > >> Never mind, I see that some filesystems have 'depends on BLOCK' instead
> > >> of being wrapped into if BLOCK. Not really consistent but whatever.
> > >
> > >Feel free to send in patches that make things more consistent.
> >
> > How would you like things? if BLOCK or depends on BLOCK?
> Well, if you can hide an entire block with if BLOCK, then that would be
> preferred. Otherwise depends on BLOCK.
> > Does menuconfig/oldconfig/etc. parse the whole config structure faster
> > it it done either way?
> I'd be surprised if if BLOCK wasn't faster over, say, 10 depends on

Has anyone looked at what BLOCK=n does to mm/page-writeback.c ?
It calls blk_congestion_end(), which isn't there.

mm/built-in.o: In function `writeback_congestion_end':
(.text.writeback_congestion_end+0xc): undefined reference to `blk_congestion_end'
make: *** [.tmp_vmlinux1] Error 1
Command exited with non-zero status 2

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