diff options
| author | Chuck Lever <[email protected]> | 2015-08-03 13:03:58 -0400 |
|---|---|---|
| committer | Anna Schumaker <[email protected]> | 2015-08-05 16:21:27 -0400 |
| commit | 02eb57d8f44caa582e297f51f3555d47767c5fe9 (patch) | |
| tree | 498f9292c46c4a0a824e82da9d2c9444e59645ca /tools/perf/scripts/python/call-graph-from-postgresql.py | |
| parent | 5457ced0b504b41afe9439a6533066dea2fc0e1a (diff) | |
xprtrdma: Always provide a write list when sending NFS READ
The client has been setting up a reply chunk for NFS READs that are
smaller than the inline threshold. This is not efficient: both the
server and client CPUs have to copy the reply's data payload into
and out of the memory region that is then transferred via RDMA.
Using the write list, the data payload is moved by the device and no
extra data copying is necessary.
Signed-off-by: Chuck Lever <[email protected]>
Reviewed-by: Devesh Sharma <[email protected]>
Reviewed-By: Sagi Grimberg <[email protected]>
Tested-by: Devesh Sharma <[email protected]>
Signed-off-by: Anna Schumaker <[email protected]>
Diffstat (limited to 'tools/perf/scripts/python/call-graph-from-postgresql.py')
0 files changed, 0 insertions, 0 deletions