iv/linux
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity
0b056c224b
linux/net/sunrpc
History
Chuck Lever 0b056c224b svcrdma: Support RDMA_NOMSG requests 
Currently the Linux server can not decode RDMA_NOMSG type requests.
Operations whose length exceeds the fixed size of RDMA SEND buffers,
like large NFSv4 CREATE(NF4LNK) operations, must be conveyed via
RDMA_NOMSG.

For an RDMA_MSG type request, the client sends the RPC/RDMA, RPC
headers, and some or all of the NFS arguments via RDMA SEND.

For an RDMA_NOMSG type request, the client sends just the RPC/RDMA
header via RDMA SEND. The request's read list contains elements for
the entire RPC message, including the RPC header.

NFSD expects the RPC/RMDA header and RPC header to be contiguous in
page zero of the XDR buffer. Add logic in the RDMA READ path to make
the read list contents land where the server prefers, when the
incoming message is a type RDMA_NOMSG message.

Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Reviewed-by: Steve Wise <swise@opengridcomputing.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
2015-01-15 15:01:47 -05:00
..
auth_gss sunrpc: move rq_splice_ok flag into rq_flags 2014-12-09 11:22:21 -05:00
xprtrdma svcrdma: Support RDMA_NOMSG requests 2015-01-15 15:01:47 -05:00
addr.c replace strict_strto calls 2014-07-12 18:45:49 -04:00
auth_generic.c sunrpc: eliminate RPC_DEBUG 2014-11-24 17:31:46 -05:00
auth_null.c sunrpc: eliminate RPC_DEBUG 2014-11-24 17:31:46 -05:00
auth_unix.c sunrpc: eliminate RPC_DEBUG 2014-11-24 17:31:46 -05:00
auth.c sunrpc: eliminate RPC_DEBUG 2014-11-24 17:31:46 -05:00
backchannel_rqst.c sunrpc: eliminate RPC_DEBUG 2014-11-24 17:31:46 -05:00
bc_svc.c
cache.c sunrpc/cache: convert to use string_escape_str() 2014-12-09 11:30:20 -05:00
clnt.c sunrpc: add debugfs file for displaying client rpc_task queue 2014-11-27 13:14:51 -05:00
debugfs.c sunrpc: add a debugfs rpc_xprt directory with an info file in it 2014-11-27 13:14:52 -05:00
Kconfig sunrpc: add debugfs file for displaying client rpc_task queue 2014-11-27 13:14:51 -05:00
Makefile sunrpc: add debugfs file for displaying client rpc_task queue 2014-11-27 13:14:51 -05:00
netns.h Merge branch 'for-3.14' of git://linux-nfs.org/~bfields/linux 2014-01-30 10:18:43 -08:00
rpc_pipe.c rpc_pipe: Drop memory allocation cast 2014-07-12 18:43:44 -04:00
rpcb_clnt.c sunrpc: eliminate RPC_DEBUG 2014-11-24 17:31:46 -05:00
sched.c sunrpc: eliminate RPC_TRACEPOINTS 2014-11-24 17:33:12 -05:00
socklib.c net: Save software checksum complete 2014-06-11 15:46:13 -07:00
stats.c SUNRPC: serialize iostats updates 2014-11-25 16:22:15 -05:00
sunrpc_syms.c sunrpc: add debugfs file for displaying client rpc_task queue 2014-11-27 13:14:51 -05:00
sunrpc.h SUNRPC: track whether a request is coming from a loop-back interface. 2014-05-22 15:59:18 -04:00
svc_xprt.c sunrpc: only call test_bit once in svc_xprt_received 2014-12-09 11:29:14 -05:00
svc.c sunrpc: convert to lockless lookup of queued server threads 2014-12-09 11:22:22 -05:00
svcauth_unix.c
svcauth.c nfsd4: better reservation of head space for krb5 2014-05-30 17:32:17 -04:00
svcsock.c sunrpc: move rq_local field to rq_flags 2014-12-09 11:21:21 -05:00
sysctl.c sunrpc: eliminate RPC_DEBUG 2014-11-24 17:31:46 -05:00
timer.c
xdr.c rpc: fix xdr_truncate_encode to handle buffer ending on page boundary 2015-01-07 14:03:58 -05:00
xprt.c sunrpc: add a debugfs rpc_xprt directory with an info file in it 2014-11-27 13:14:52 -05:00
xprtsock.c sunrpc: eliminate RPC_DEBUG 2014-11-24 17:31:46 -05:00