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Subject[LSF/MM/BPF RFC PATCH 00/13]
Date
Following a conversation with Bart yesterday, I am sending the RMR+BRMR
code through patch for easier review.

The patches apply over the for-next branch of the block tree over commit
07dfa981ca3

For context,
RMR (Reliable Multicast over RTRS) is a kernel module that provides
active-active block-level replication over RDMA. It guarantees delivery
of IO to a group of storage nodes and handles resynchronization of data
directly between storage nodes without involving the compute client.

BRMR (Block device over RMR) sits on top of RMR and exposes a standard
Linux block device (/dev/brmrX) backed by an RMR pool. Together, RMR and
BRMR provide a single-hop replication and resynchronization solution for
RDMA-connected storage clusters.

My session is on Wednesday, at 12 in the storage room (Istanbul).

The modules are still in-development. Many of the parts are only
functionally complete. Some features (backend store replace) are
disabled for now.

Documentation: https://ionos-cloud.github.io/rmr.io/index.html
GitHub link: https://github.com/ionos-cloud/RMR (for kernel v6.12)

Md Haris Iqbal (13):
RDMA/rmr: add public and private headers
RDMA/rmr: add shared library code (pool, map, request)
RDMA/rmr: client: main functionality
RDMA/rmr: client: sysfs interface functions
RDMA/rmr: server: main functionality
RDMA/rmr: server: sysfs interface functions
RDMA/rmr: include client and server modules into kernel compilation
block/brmr: add private headers with brmr protocol structs and helpers
block/brmr: client: main functionality
block/brmr: client: sysfs interface functions
block/brmr: server: main functionality
block/brmr: server: sysfs interface functions
block/brmr: include client and server modules into kernel compilation

drivers/block/Kconfig | 2 +
drivers/block/Makefile | 1 +
drivers/block/brmr/Kconfig | 28 +
drivers/block/brmr/Makefile | 16 +
drivers/block/brmr/brmr-clt-reque.c | 228 ++
drivers/block/brmr/brmr-clt-stats.c | 332 ++
drivers/block/brmr/brmr-clt-sysfs.c | 463 +++
drivers/block/brmr/brmr-clt.c | 1222 +++++++
drivers/block/brmr/brmr-clt.h | 299 ++
drivers/block/brmr/brmr-proto.h | 121 +
drivers/block/brmr/brmr-srv-sysfs.c | 707 ++++
drivers/block/brmr/brmr-srv.c | 1402 +++++++
drivers/block/brmr/brmr-srv.h | 133 +
drivers/infiniband/Kconfig | 1 +
drivers/infiniband/ulp/Makefile | 1 +
drivers/infiniband/ulp/rmr/Kconfig | 35 +
drivers/infiniband/ulp/rmr/Makefile | 23 +
drivers/infiniband/ulp/rmr/rmr-clt-stats.c | 29 +
drivers/infiniband/ulp/rmr/rmr-clt-sysfs.c | 1496 ++++++++
drivers/infiniband/ulp/rmr/rmr-clt-trace.c | 11 +
drivers/infiniband/ulp/rmr/rmr-clt-trace.h | 110 +
drivers/infiniband/ulp/rmr/rmr-clt.c | 3866 ++++++++++++++++++++
drivers/infiniband/ulp/rmr/rmr-clt.h | 291 ++
drivers/infiniband/ulp/rmr/rmr-map-mgmt.c | 933 +++++
drivers/infiniband/ulp/rmr/rmr-map.c | 904 +++++
drivers/infiniband/ulp/rmr/rmr-map.h | 246 ++
drivers/infiniband/ulp/rmr/rmr-pool.c | 401 ++
drivers/infiniband/ulp/rmr/rmr-pool.h | 400 ++
drivers/infiniband/ulp/rmr/rmr-proto.h | 273 ++
drivers/infiniband/ulp/rmr/rmr-req.c | 796 ++++
drivers/infiniband/ulp/rmr/rmr-req.h | 65 +
drivers/infiniband/ulp/rmr/rmr-srv-md.c | 764 ++++
drivers/infiniband/ulp/rmr/rmr-srv-sysfs.c | 1047 ++++++
drivers/infiniband/ulp/rmr/rmr-srv.c | 3306 +++++++++++++++++
drivers/infiniband/ulp/rmr/rmr-srv.h | 219 ++
drivers/infiniband/ulp/rmr/rmr.h | 229 ++
36 files changed, 20400 insertions(+)
create mode 100644 drivers/block/brmr/Kconfig
create mode 100644 drivers/block/brmr/Makefile
create mode 100644 drivers/block/brmr/brmr-clt-reque.c
create mode 100644 drivers/block/brmr/brmr-clt-stats.c
create mode 100644 drivers/block/brmr/brmr-clt-sysfs.c
create mode 100644 drivers/block/brmr/brmr-clt.c
create mode 100644 drivers/block/brmr/brmr-clt.h
create mode 100644 drivers/block/brmr/brmr-proto.h
create mode 100644 drivers/block/brmr/brmr-srv-sysfs.c
create mode 100644 drivers/block/brmr/brmr-srv.c
create mode 100644 drivers/block/brmr/brmr-srv.h
create mode 100644 drivers/infiniband/ulp/rmr/Kconfig
create mode 100644 drivers/infiniband/ulp/rmr/Makefile
create mode 100644 drivers/infiniband/ulp/rmr/rmr-clt-stats.c
create mode 100644 drivers/infiniband/ulp/rmr/rmr-clt-sysfs.c
create mode 100644 drivers/infiniband/ulp/rmr/rmr-clt-trace.c
create mode 100644 drivers/infiniband/ulp/rmr/rmr-clt-trace.h
create mode 100644 drivers/infiniband/ulp/rmr/rmr-clt.c
create mode 100644 drivers/infiniband/ulp/rmr/rmr-clt.h
create mode 100644 drivers/infiniband/ulp/rmr/rmr-map-mgmt.c
create mode 100644 drivers/infiniband/ulp/rmr/rmr-map.c
create mode 100644 drivers/infiniband/ulp/rmr/rmr-map.h
create mode 100644 drivers/infiniband/ulp/rmr/rmr-pool.c
create mode 100644 drivers/infiniband/ulp/rmr/rmr-pool.h
create mode 100644 drivers/infiniband/ulp/rmr/rmr-proto.h
create mode 100644 drivers/infiniband/ulp/rmr/rmr-req.c
create mode 100644 drivers/infiniband/ulp/rmr/rmr-req.h
create mode 100644 drivers/infiniband/ulp/rmr/rmr-srv-md.c
create mode 100644 drivers/infiniband/ulp/rmr/rmr-srv-sysfs.c
create mode 100644 drivers/infiniband/ulp/rmr/rmr-srv.c
create mode 100644 drivers/infiniband/ulp/rmr/rmr-srv.h
create mode 100644 drivers/infiniband/ulp/rmr/rmr.h

--
2.43.0


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