From mboxrd@z Thu Jan 1 00:00:00 1970 From: Greg Kroah-Hartman Date: Sun, 30 Oct 2016 11:04:05 -0400 Subject: [lustre-devel] [PATCH 12/29] staging: lustre: mdc: manage number of modify RPCs in flight In-Reply-To: <1477606323-30325-13-git-send-email-jsimmons@infradead.org> References: <1477606323-30325-1-git-send-email-jsimmons@infradead.org> <1477606323-30325-13-git-send-email-jsimmons@infradead.org> Message-ID: <20161030150405.GA7100@kroah.com> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: James Simmons Cc: devel@driverdev.osuosl.org, Andreas Dilger , Oleg Drokin , Gregoire Pichon , Linux Kernel Mailing List , Lustre Development List On Thu, Oct 27, 2016 at 06:11:46PM -0400, James Simmons wrote: > From: Gregoire Pichon > > 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. I'm not going to apply this one due to the kbuild warning it causes. thanks, greg k-h