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| author | Chuck Lever <chuck.lever@oracle.com> | 2015-05-26 11:52:16 -0400 |
|---|---|---|
| committer | Anna Schumaker <Anna.Schumaker@Netapp.com> | 2015-06-12 13:10:36 -0400 |
| commit | fc7fbb59e70c65e2bd6170a6de139d5de62dd2be (patch) | |
| tree | 38ac5b7609a68e073e33a6c6c5c705bf558eaddb /tools/perf/scripts/python/bin | |
| parent | xprtrdma: Introduce helpers for allocating MWs (diff) | |
| download | linux-fc7fbb59e70c65e2bd6170a6de139d5de62dd2be.tar.gz linux-fc7fbb59e70c65e2bd6170a6de139d5de62dd2be.zip | |
xprtrdma: Acquire FMRs in rpcrdma_fmr_register_external()
Acquiring 64 FMRs in rpcrdma_buffer_get() while holding the buffer
pool lock is expensive, and unnecessary because FMR mode can
transfer up to a 1MB payload using just a single ib_fmr.
Instead, acquire ib_fmrs one-at-a-time as chunks are registered, and
return them to rb_mws immediately during deregistration.
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Reviewed-by: Steve Wise <swise@opengridcomputing.com>
Tested-By: Devesh Sharma <devesh.sharma@avagotech.com>
Reviewed-by: Doug Ledford <dledford@redhat.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
Diffstat (limited to 'tools/perf/scripts/python/bin')
0 files changed, 0 insertions, 0 deletions