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SubjectRe: [patch] Revert "block: remove artifical max_hw_sectors cap"
On Mon, Jul 20, 2015 at 03:17:07PM -0400, Jeff Moyer wrote:
> For SAN storage, we've seen initial write and re-write performance drop
> 25-50% across all I/O sizes. On locally attached storage, we've seen
> regressions of 40% for all I/O types, but only for I/O sizes larger than
> 1MB.

Workload, and hardare please. An only mainline numbers, not some old
hacked vendor kernel, please.



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