]> git.baikalelectronics.ru Git - kernel.git/commit
xprtrdma: Revert commit ce246e0c3c83 ('xprtrdma: Cap req_cqinit').
authorChuck Lever <chuck.lever@oracle.com>
Wed, 16 Dec 2015 22:23:20 +0000 (17:23 -0500)
committerAnna Schumaker <Anna.Schumaker@Netapp.com>
Fri, 18 Dec 2015 20:34:33 +0000 (15:34 -0500)
commit8e319286741bc055c3721361d1d1120f5ff4e91f
treed3bc75de097cbb8e9de3325a6e2bd80230c744a2
parent72a0eaaf16562138bec3127672c54439b1b8f857
xprtrdma: Revert commit ce246e0c3c83 ('xprtrdma: Cap req_cqinit').

The root of the problem was that sends (especially unsignalled
FASTREG and LOCAL_INV Work Requests) were not properly flow-
controlled, which allowed a send queue overrun.

Now that the RPC/RDMA reply handler waits for invalidation to
complete, the send queue is properly flow-controlled. Thus this
limit is no longer necessary.

Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Tested-by: Devesh Sharma <devesh.sharma@avagotech.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
net/sunrpc/xprtrdma/verbs.c
net/sunrpc/xprtrdma/xprt_rdma.h