| Date | Wed, 30 Jun 2010 09:05:04 -0400 | From | Chris Mason <> | Subject | Re: [PATCH 13/14] fs,btrfs: Allow kswapd to writeback pages |
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On Tue, Jun 29, 2010 at 12:34:47PM +0100, Mel Gorman wrote: > As only kswapd and memcg are writing back pages, there should be no > danger of overflowing the stack. Allow the writing back of dirty pages > in btrfs from the VM. > > Signed-off-by: Mel Gorman <mel@csn.ul.ie>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
But, this is only the metadata writepage. fs/btrfs/inode.c has another one for data pages. (just look for PF_MEMALLOC).
-chris
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