Contract SFS-DEV-004

Overview
The goal of the CLIO Simplification Implementation contract is the implementation in the Lustre source code of the CLIO Simplification Design that resulted from [[Media:CLIOSimplificationDesign_HighLevelDesign.pdf|Project 2]] of Contract SFS-DEV-003.

For the contract statement of work, see [[Media:SFS-DEV-004_SOW.pdf|SFS-DEV-004_SOW.pdf]]

OpenSFS

 * Galen Shipman - OpenSFS Contract Administrator
 * Christopher Morrone - OpenSFS Technical Representative

Project Approval Committee (PAC)

 * Christopher Morrone - PAC Chair
 * Colin Faber
 * Patrick Farrell
 * Jason Hill
 * James Simmons
 * Cory Spitz

Intel

 * Andreas Dilger - Consulting Architect
 * Jinshan Xiong - Lead Engineer

Important Dates
The official start date of work is agreed to be October 13, 2014.

The contract lists milestone target dates in weeks relative to the start date. With the start date agreed, here we can just list actual dates to keep things easy to understand.

cl_lock re-factoring (simplified and cache-less)
LU-3259 cl_lock re-factoring

1 of 1 patches landed
 * clio: cl_lock simplification

Removal of liblustre
LU-2675 removal of non-linux interfaces and liblustre

7 of 7 patches landed
 * build: remove liblustre and libsysio
 * mgc: remove libmgc.c
 * llite: remove liblustre includes
 * lmv: remove liblustre includes
 * lov: remove liblustre includes
 * build: remove Darwin "support"
 * build: remove WinNT "support"

ioctl calls implementation
LU-5823 Replace some obsolete obd operations with CLIO ioctl interface

6 patches of 6? in review:
 * clio: add cl_object_ioctl interface
 * clio: add CL_IOC_FIND_CBDATA cl_object_ioctl ops
 * clio: add CL_IOC_FIEMAP cl_object_ioctl ops
 * clio: add CL_IOC_DATA_VERSION and CL_IOC_GETATTR ops
 * clio: get rid of ll_glimpse_ioctl
 * clio: get rid of lov_stripe_md reference in setting file stripe info

Remove stripe md direct access beyond LOV layer
LU-5814 encapsulate lov_stripe_md (LSM) to LOV layer

5 of 20? patches landed.
 * lov: remove LL_IOC_RECREATE_{FID,OBJ}
 * echo: remove userspace LSM handling
 * lov: remove unused {get,set}_info handlers
 * echo: replace lov_stripe_md with lov_oinfo
 * llite: remove ll_objects_destroy

1 of 20? patches in review:
 * lov: flatten struct lov_stripe_md

Remove non-linux interfaces
0 of 20? patches started yet.

Remove obsolete OBD API call-backs
0 of 20? patches started yet.

Meeting Minutes
Meeting WW45

Attendees

Chris, Doug, Richard

Agenda


 * meeting format and minute taking. AGREE Minutes should go onto the wiki.
 * feedback on status reports. Chris provided feedback, recorded as actions below.
 * project risks.
 * next meeting: 4th December.
 * other business.

45.0 ACTION: RH to resolve scope of LU-4198.

45.1 ACTION: RH to review whats happening with LDLM_GID_ANY on 10858

45.2 ACTION: RH Explain the patches in human readable form on the wiki page.

45.3 ACTION: RH Jira tickets should be enhanced with more content.

45.4 ACTION: RH to include a forecast for how much work in total there is expected on a ticket.

next meeting: 4th December.