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Re: [dm-devel] [PATCH] dm-kcopyd: Correctly free requests



On Fri, Aug 26, 2011 at 11:37:47AM +0100, Alasdair G Kergon wrote:
> On Fri, Aug 26, 2011 at 12:15:42PM +0200, Bastian Blank wrote:
> > kcopyd only frees the requests if the master job information is set up
> > correctly, but it was not in the recently added path. This leads to many
> > unfreed slabs during snapshot usage.
> Referring to commit c6ea41fbbe08f270a8edef99dc369faf809d1bd6
>   dm kcopyd: preallocate sub jobs to avoid deadlock
> which added the master_job field.
 
and commit a6e50b409d3f9e0833e69c3c9cca822e8fa4adbb
    dm snapshot: skip reading origin when overwriting complete chunk
which indeed forgets to set the new field.

I'll submit the patch shortly, together with some other minor fixes
sitting in linux-next.

Alasdair


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