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SubjectRe: [PATCH 08/11] btrfs: plumb level through the compression interface
On Mon, Jan 28, 2019 at 04:24:34PM -0500, Dennis Zhou wrote:
> Zlib compression supports multiple levels, but doesn't require changing
> in how a workspace itself is created and managed. Zstd introduces a
> different memory requirement such that higher levels of compression
> require more memory. This requires changes in how the alloc()/get()
> methods work for zstd. This pach plumbs compression level through the
> interface as a parameter in preparation for zstd compression levels.
> This gives the compression types opportunity to create/manage based on
> the compression level.
> Signed-off-by: Dennis Zhou <>

Reviewed-by: Josef Bacik <>



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