diff options
| author | Bart Van Assche <[email protected]> | 2010-08-30 19:27:36 +0000 |
|---|---|---|
| committer | Roland Dreier <[email protected]> | 2010-10-25 05:14:14 +0000 |
| commit | 7ade400aba9a675b610074d6609658661db07eeb (patch) | |
| tree | 609a1370a1a8d416c789905c17607bd8d31c6242 /tools/perf/scripts/python | |
| parent | IB/srp: Eliminate two forward declarations (diff) | |
| download | kernel-7ade400aba9a675b610074d6609658661db07eeb.tar.gz kernel-7ade400aba9a675b610074d6609658661db07eeb.zip | |
IB/srp: Reduce number of BUSY conditions
As proposed by the SRP (draft) standard, ib_srp reserves one ring
element for SRP_TSK_MGMT requests. This patch makes sure that the SCSI
mid-layer never tries to queue more than (SRP request limit) - 1 SCSI
commands to ib_srp. This improves performance for targets whose request
limit is less than or equal to SRP_NORMAL_REQ_SQ_SIZE by reducing the
number of BUSY responses reported by ib_srp to the SCSI mid-layer.
Signed-off-by: Bart Van Assche <[email protected]>
Signed-off-by: David Dillow <[email protected]>
Signed-off-by: Roland Dreier <[email protected]>
Diffstat (limited to 'tools/perf/scripts/python')
0 files changed, 0 insertions, 0 deletions