[PATCH v3] staging: lustre: mdc: manage number of modify RPCs in flight
Greg Kroah-Hartman
gregkh at linuxfoundation.org
Wed Nov 9 16:03:54 UTC 2016
On Mon, Nov 07, 2016 at 05:23:23PM -0500, James Simmons wrote:
> From: Gregoire Pichon <gregoire.pichon at bull.net>
>
> This patch is the main client part of a new feature that supports
> multiple modify metadata RPCs in parallel. Its goal is to improve
> metadata operations performance of a single client, while maintening
> the consistency of MDT reply reconstruction and MDT recovery
> mechanisms.
>
> It allows to manage the number of modify RPCs in flight within
> the client obd structure and to assign a virtual index (the tag) to
> each modify RPC to help server side cleaning of reply data.
>
> The mdc component uses this feature to send multiple modify RPCs
> in parallel.
>
> Changelog:
>
> v1) Initial patch with incorrect print out of timestamp in
> obd_mod_rpc_stats_seq_show.
>
> v2) Fixed up obd_mod_rpc_stats_seq_show to print out in nanoseconds
>
> v3) Add this changelog
changelog goes below the --- line, you don't want that in the final
commit, right?
Please fix up and resend.
thanks,
greg k-h
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