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SubjectRe: [PATCH v1 2/2] zram: remove init_lock in zram_make_request
On (02/03/15 12:02), Minchan Kim wrote:
> On Tue, Feb 03, 2015 at 10:54:33AM +0900, Sergey Senozhatsky wrote:
> > On (02/02/15 16:06), Sergey Senozhatsky wrote:
> > > So, guys, how about doing it differently, in less lines of code,
> > > hopefully. Don't move reset_store()'s work to zram_reset_device().
> > > Instead, move
> > >
> > > set_capacity(zram->disk, 0);
> > > revalidate_disk(zram->disk);
> > >
> > > out from zram_reset_device() to reset_store(). this two function are
> > > executed only when called from reset_store() anyway. this also will let
> > > us drop `bool reset capacity' param from zram_reset_device().
> > >
> > >
> > > so we will do in reset_store()
> > >
> > > mutex_lock(bdev->bd_mutex);
> > >
> > > fsync_bdev(bdev);
> > > zram_reset_device(zram);
> > > set_capacity(zram->disk, 0);
> > >
> > > mutex_unlock(&bdev->bd_mutex);
> > >
> > > revalidate_disk(zram->disk);
> > > bdput(bdev);
> > >
> > >
> > >
> > > and change zram_reset_device(zram, false) call to simply zram_reset_device(zram)
> > > in __exit zram_exit(void).
> > >
> >
> > Hello,
> >
> > Minchan, Ganesh, I sent a patch last night, with the above solution.
> > looks ok to you?
>
> Just I sent a feedback.
>

thanks.
yeah, !FMODE_EXCL mode.

how do you want to handle it -- you want to send a separate patch or
you want me to send incremental one-liner and ask Andrew to squash them?

-ss

> >
> > Minchan, I think I'll send my small struct zram clean-up patch after
> > your init_lock patch. what's your opinion?
>
> Good for me.
>
> Thanks.
> --
> Kind regards,
> Minchan Kim
>


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