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Omar Sandoval authored
This was originally a prep patch for changing the behavior on len=0, but we went another direction with that. This still makes the function slightly easier to follow. Reviewed-by: Qu Wenruo <quwenruo@cn.fujitsu.com> Signed-off-by: Omar Sandoval <osandov@fb.com> Reviewed-by: David Sterba <dsterba@suse.com> Signed-off-by: David Sterba <dsterba@suse.com>
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