Does RHEL support the latest upstream BLKIO statistics ?

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Issue

Upstream Linux Kernel 2.6.35 added a number of additional blkio statistic counters, which would be useful when tuning storage performance.
http://kernelnewbies.org/Linux_2_6_35#head-57d43d498509746df08f48b1f040d20d88d2b984

Environment

Red Hat Enterprise Linux 6

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