diff options
| author | Josef Bacik <[email protected]> | 2017-01-19 16:08:49 -0500 |
|---|---|---|
| committer | Jens Axboe <[email protected]> | 2017-01-19 14:31:50 -0700 |
| commit | d61b7f972dab2a7d187c38254845546dfc8eed85 (patch) | |
| tree | c9ee8c99e826639db76b38e5f8ed142e4cb1412f /tools/perf/scripts/python/bin/export-to-postgresql-report | |
| parent | 88a7503376f4f3bf303c809d1a389739e1205614 (diff) | |
nbd: only set MSG_MORE when we have more to send
A user noticed that write performance was horrible over loopback and we
traced it to an inversion of when we need to set MSG_MORE. It should be
set when we have more bvec's to send, not when we are on the last bvec.
This patch made the test go from 20 iops to 78k iops.
Signed-off-by: Josef Bacik <[email protected]>
Fixes: 429a787be679 ("nbd: fix use-after-free of rq/bio in the xmit path")
Signed-off-by: Jens Axboe <[email protected]>
Diffstat (limited to 'tools/perf/scripts/python/bin/export-to-postgresql-report')
0 files changed, 0 insertions, 0 deletions