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SubjectRe: [patch 11/27] dm exception store: refactor zero_area


On Thu, 23 Oct 2008, Greg KH wrote:

> On Thu, Oct 23, 2008 at 09:34:23PM -0700, Greg KH wrote:
> > 2.6.27-stable review patch. If anyone has any objections, please let us
> > know.
> >
> > ------------------
> > From: Alasdair G Kergon <agk@redhat.com>
> >
> > commit 7c9e6c17325fab380fbe9c9787680ff7d4a51abd upstream
> >
> > Use a separate buffer for writing zeroes to the on-disk snapshot
> > exception store, make the updating of ps->current_area explicit and
> > refactor the code in preparation for the fix in the next patch.
> >
> > No functional change.
> >
> > Signed-off-by: Alasdair G Kergon <agk@redhat.com>
> > Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
> > Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
> >
> > ---
> > drivers/md/dm-exception-store.c | 103 ++++++++++++++++++++++++++--------------
> > 1 file changed, 69 insertions(+), 34 deletions(-)
>
> Oops, this patch causes a build error:
>
> drivers/md/dm-exception-store.c:235: error: implicit declaration of function 'area_location'
> drivers/md/dm-exception-store.c:241: error: 'area' undeclared (first use in this function)
> drivers/md/dm-exception-store.c:241: error: (Each undeclared identifier is reported only once
> drivers/md/dm-exception-store.c:241: error: for each function it appears in.)
>
> I'll drop this one, and the follow-on dm-exception-store.c patch as
> well, as that was the only reason this patch was added.
>
> If you want to redo these two patches, and get them into the
> 2.6.27-stable tree, please do so and send them to stable@kernel.org.
>
> thanks,
>
> greg k-h

You should apply this one patch before:
ftp://ftp.kernel.org/pub/linux/kernel/people/agk/patches/2.6/editing/dm-exception-store-introduce-area_location-function.patch

Mikulas


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