On Thu, May 29, 2008 at 12:54:45PM -0500, Tom Tucker wrote: > Bruce: > > This set of patches fixes bugs related to DMA mapping and unmapping and > in the process redesigns and cleans up the way that WR contexts are managed. > > In addition to the bug fixes, there are three major changes: > > - The data structure that maps client side memory to server side > memory has been separated from the WR context. This makes for cleaner > type checking and a smaller memory footprint for the RDMA transport. > > - The mapping and unmapping of DMA is performed independently from the > allocation and deallocation of the WR context. This is to allow the > unmapping to occur early on recv where the unmapping of the DMA needs > to be done prior to looking at the data and therefore before > deallocating the WR context. > > - The WR context cache now uses a kmem_cache and is shared across > all transport instances. This allows contexts to be shared between > mounts and idle mounts don't consume context memory. > > This patchset is intended for 2.6.27 and is based on 2.6.26-rc4. These patches > are also available at the following git url: OK, thanks. Bug me if I haven't commented or applied these by next week. Is there anything else remaining for 2.6.26 (as opposed to .27)? --b. > > git://git.linux-nfs.org/projects/tomtucker/xprt-switch-2.6.git > > [PATCH 01/11] svcrdma: Add a type for keeping NFS request mapping > > include/linux/sunrpc/svc_rdma.h | 27 +++++++++++++++++++++++++++ > net/sunrpc/xprtrdma/svc_rdma.c | 23 +++++++++++++++++++++++ > net/sunrpc/xprtrdma/svc_rdma_transport.c | 26 ++++++++++++++++++++++++++ > 3 files changed, 76 insertions(+), 0 deletions(-) > > [PATCH 02/11] svcrdma: Use rpc reply map for RDMA_WRITE processing > > net/sunrpc/xprtrdma/svc_rdma_sendto.c | 122 ++++++++++++++---------------- > net/sunrpc/xprtrdma/svc_rdma_transport.c | 5 +- > 2 files changed, 62 insertions(+), 65 deletions(-) > > [PATCH 03/11] svcrdma: Use reply and chunk map for RDMA_READ processing > > include/linux/sunrpc/svc_rdma.h | 1 + > net/sunrpc/xprtrdma/svc_rdma_recvfrom.c | 83 ++++++++++++++----------------- > 2 files changed, 39 insertions(+), 45 deletions(-) > > [PATCH 04/11] svcrdma: Move the DMA unmap logic to the CQ handler > > net/sunrpc/xprtrdma/svc_rdma_transport.c | 20 ++++++++++++++------ > 1 files changed, 14 insertions(+), 6 deletions(-) > > [PATCH 05/11] svcrdma: Add dma map count and WARN_ON > > include/linux/sunrpc/svc_rdma.h | 1 + > net/sunrpc/xprtrdma/svc_rdma_recvfrom.c | 1 + > net/sunrpc/xprtrdma/svc_rdma_sendto.c | 3 +++ > net/sunrpc/xprtrdma/svc_rdma_transport.c | 5 +++++ > 4 files changed, 10 insertions(+), 0 deletions(-) > > [PATCH 06/11] svcrdma: Remove unneeded spin locks from __svc_rdma_free > > net/sunrpc/xprtrdma/svc_rdma_transport.c | 4 ---- > 1 files changed, 0 insertions(+), 4 deletions(-) > > [PATCH 07/11] svcrdma: Remove unused wait q from svcrdma_xprt structure > > include/linux/sunrpc/svc_rdma.h | 1 - > 1 files changed, 0 insertions(+), 1 deletions(-) > > [PATCH 08/11] svcrdma: Limit ORD based on client's advertised IRD > > net/sunrpc/xprtrdma/svc_rdma_transport.c | 16 ++++++++++++---- > 1 files changed, 12 insertions(+), 4 deletions(-) > > [PATCH 09/11] svcrdma: Add flush_scheduled_work to module exit function > > net/sunrpc/xprtrdma/svc_rdma.c | 1 + > 1 files changed, 1 insertions(+), 0 deletions(-) > > [PATCH 10/11] svcrdma: Create a kmem cache for the WR contexts > > net/sunrpc/xprtrdma/svc_rdma.c | 24 ++++++++++++++++++++---- > 1 files changed, 20 insertions(+), 4 deletions(-) > > [PATCH 11/11] svcrdma: Change WR context get/put to use the kmem cache > > include/linux/sunrpc/svc_rdma.h | 6 -- > net/sunrpc/xprtrdma/svc_rdma_transport.c | 121 +++--------------------------- > 2 files changed, 12 insertions(+), 115 deletions(-) > > Signed-off-by: Tom Tucker <tom@xxxxxxxxxxxxxxxxxxxxx> > -- To unsubscribe from this list: send the line "unsubscribe linux-nfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
