erl_tar: Use read_ahead when reading compressed tar files
erl_tar: Use read_ahead when reading compressed tar files

Jumping around in a compressed file is nowhere near as cheap as
for uncompressed files, as it requires reading and decompressing
up until the desired position. Using read_ahead will improve
performance slightly.

jj1bdx/otp,potatosalad/otp,legoscia/otp,g-andrade/otp,vladdu/otp,emacsmirror/erlang,kvakvs/otp,dgud/otp,legoscia/otp,kvakvs/otp,electricimp/otp,bsmr-erlang/otp,dumbbell/otp,getong/otp,aboroska/otp,getong/otp,jj1bdx/otp,ferd/otp,bjorng/otp,electricimp/otp,erlang/otp,vinoski/otp,uabboli/otp,g-andrade/otp,RoadRunnr/otp,dgud/otp,jj1bdx/otp,electricimp/otp,uabboli/otp,mikpe/otp,rlipscombe/otp,lrascao/otp,erlang/otp,RoadRunnr/otp,emacsmirror/erlang,legoscia/otp,emacsmirror/erlang,vladdu/otp,RoadRunnr/otp,potatosalad/otp,bjorng/otp,bsmr-erlang/otp,isvilen/otp,rlipscombe/otp,emacsmirror/erlang,uabboli/otp,erlang/otp,mikpe/otp,kvakvs/otp,ferd/otp,mikpe/otp,rlipscombe/otp,uabboli/otp,rlipscombe/otp,lrascao/otp,erlang/otp,jj1bdx/otp,rlipscombe/otp,ferd/otp,RoadRunnr/otp,bjorng/otp,isvilen/otp,kvakvs/otp,vladdu/otp,g-andrade/otp,rlipscombe/otp,dumbbell/otp,mikpe/otp,ferd/otp,getong/otp,lrascao/otp,mikpe/otp,mikpe/otp,dgud/otp,uabboli/otp,vinoski/otp,rlipscombe/otp,ferd/otp,g-andrade/otp,g-andrade/otp,dgud/otp,dgud/otp,legoscia/otp,lrascao/otp,bjorng/otp,lrascao/otp,erlang/otp,emacsmirror/erlang,bjorng/otp,legoscia/otp,aboroska/otp,isvilen/otp,bjorng/otp,isvilen/otp,electricimp/otp,rlipscombe/otp,jj1bdx/otp,emacsmirror/erlang,ferd/otp,mikpe/otp,bsmr-erlang/otp,jj1bdx/otp,legoscia/otp,kvakvs/otp,potatosalad/otp,lrascao/otp,electricimp/otp,vladdu/otp,g-andrade/otp,vinoski/otp,dumbbell/otp,vladdu/otp,erlang/otp,kvakvs/otp,g-andrade/otp,dumbbell/otp,jj1bdx/otp,aboroska/otp,vinoski/otp,legoscia/otp,RoadRunnr/otp,dumbbell/otp,erlang/otp,uabboli/otp,potatosalad/otp,potatosalad/otp,dumbbell/otp,mikpe/otp,kvakvs/otp,vinoski/otp,bsmr-erlang/otp,isvilen/otp,bsmr-erlang/otp,RoadRunnr/otp,uabboli/otp,electricimp/otp,legoscia/otp,potatosalad/otp,erlang/otp,legoscia/otp,mikpe/otp,dumbbell/otp,aboroska/otp,aboroska/otp,uabboli/otp,vladdu/otp,aboroska/otp,dgud/otp,g-andrade/otp,kvakvs/otp,aboroska/otp,bjorng/otp,bsmr-erlang/otp,aboroska/otp,bjorng/otp,RoadRunnr/otp,kvakvs/otp,rlipscombe/otp,getong/otp,jj1bdx/otp,getong/otp,bjorng/otp,potatosalad/otp,bsmr-erlang/otp,getong/otp,mikpe/otp,getong/otp,isvilen/otp,isvilen/otp,isvilen/otp,ferd/otp,dumbbell/otp,getong/otp,vinoski/otp,electricimp/otp,rlipscombe/otp,electricimp/otp,aboroska/otp,emacsmirror/erlang,isvilen/otp,dumbbell/otp,lrascao/otp,vladdu/otp,lrascao/otp,uabboli/otp,dgud/otp,vladdu/otp,isvilen/otp,g-andrade/otp,g-andrade/otp,RoadRunnr/otp,erlang/otp,vinoski/otp,vinoski/otp,dgud/otp,emacsmirror/erlang,getong/otp,ferd/otp,emacsmirror/erlang,electricimp/otp,bsmr-erlang/otp,jj1bdx/otp,dgud/otp,RoadRunnr/otp,vinoski/otp,ferd/otp,potatosalad/otp,erlang/otp,bjorng/otp,jj1bdx/otp,vinoski/otp,potatosalad/otp,getong/otp,dumbbell/otp,lrascao/otp,potatosalad/otp,vladdu/otp,emacsmirror/erlang,dgud/otp,bsmr-erlang/otp