David, > These changes remove unnecessary heap allocations in the XCOPY > READ/WRITE dispatch loop. > > Synthetic benchmarks on my laptop using the libiscsi iscsi-dd utility > (--xcopy --max 1 --blocks 65535 src=dst) against a target backed by an > 8G zram (DEBUG_KMEMLEAK=y) iblock backstore (avg across four runs) show: > before: 5.30845G/s > after: 5.99056G/s (approx. +12.8%) Applied to 5.7/scsi-queue, thanks! -- Martin K. Petersen Oracle Linux Engineering
