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[v1,0/4] svcrdma: Go back to releasing pages-under-I/O

Message ID 168607259937.2076.15447551371235387735.stgit@manet.1015granger.net (mailing list archive)
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Series svcrdma: Go back to releasing pages-under-I/O | expand

Message

Chuck Lever June 6, 2023, 5:33 p.m. UTC 
Return to the behavior of releasing reply buffer pages as part of
sending an RPC Reply over RDMA. I measured a performance improvement
(which is documented in 4/4). Similar page release behavior with
socket transports also means we should be able to share a little
more code between transports as MSG_SPLICE_PAGES rolls out.

---

Chuck Lever (4):
      SUNRPC: Revert cc93ce9529a6
      SUNRPC: Revert 579900670ac7
      SUNRPC: Revert 2a1e4f21d841
      SUNRPC: Optimize page release in svc_rdma_sendto()


 include/linux/sunrpc/svc_rdma.h            |  4 +-
 net/sunrpc/xprtrdma/svc_rdma_backchannel.c |  8 +---
 net/sunrpc/xprtrdma/svc_rdma_sendto.c      | 53 ++++++++++++++--------
 3 files changed, 38 insertions(+), 27 deletions(-)

--
Chuck Lever