On Thu, Aug 21, 2014 at 9:09 AM, Christoph Hellwig <hch@xxxxxx> wrote: > Instead of overflowing the XDR send buffer with our extent list allocate > pages and pre-encode the layoutupdate payload into them. We optimistically > allocate a single page use alloc_page and only switch to vmalloc when we > have more extents outstanding. Currently there is only a single testcase > (xfstests generic/113) which can reproduce large enough extent lists for > this to occur. > > Signed-off-by: Christoph Hellwig <hch@xxxxxx> > --- > fs/nfs/blocklayout/blocklayout.c | 15 ++---- > fs/nfs/blocklayout/blocklayout.h | 8 ++-- > fs/nfs/blocklayout/extent_tree.c | 100 +++++++++++++++++++++++++++++++-------- > 3 files changed, 90 insertions(+), 33 deletions(-) > Holding due to dependencies on unapplied patches. -- Trond Myklebust Linux NFS client maintainer, PrimaryData trond.myklebust@xxxxxxxxxxxxxxx -- To unsubscribe from this list: send the line "unsubscribe linux-nfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
