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| author | Julian Wiedmann <jwi@linux.vnet.ibm.com> | 2018-03-07 14:19:43 +0100 |
|---|---|---|
| committer | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2018-03-26 16:12:48 +0200 |
| commit | c11a3dfd6fedd5266c2f9d7286981dc804dfb7cc (patch) | |
| tree | 423b7fa200f2978f40ad13b83ac0ebaa3be1c415 /LICENSES/other | |
| parent | 0cf1e05157b9e5530dcc3ca9fec9bf617fc93375 (diff) | |
| download | linux-c11a3dfd6fedd5266c2f9d7286981dc804dfb7cc.tar.gz linux-c11a3dfd6fedd5266c2f9d7286981dc804dfb7cc.tar.bz2 linux-c11a3dfd6fedd5266c2f9d7286981dc804dfb7cc.zip | |
s390/qdio: restrict buffer merging to eligible devices
Only attempt to merge PENDING into EMPTY buffers for devices where
the PENDING state is actually expected (ie. IQD with CQ).
This might speed up the hot path a little bit.
Signed-off-by: Julian Wiedmann <jwi@linux.vnet.ibm.com>
Reviewed-by: Ursula Braun <ubraun@linux.vnet.ibm.com>
Reviewed-by: Benjamin Block <bblock@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'LICENSES/other')
0 files changed, 0 insertions, 0 deletions