aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/rpmsg
diff options
context:
space:
mode:
authorSagi Grimberg <sagi@grimberg.me>2020-03-12 16:06:38 -0700
committerKeith Busch <kbusch@kernel.org>2020-03-21 04:37:53 +0900
commit98fd5c723730f560e5bea919a64ac5b83d45eb72 (patch)
tree1f9302e25a129c5f9655151dd6b5701d911d81ee /drivers/rpmsg
parentnvme-rdma: Avoid double freeing of async event data (diff)
downloadlinux-dev-98fd5c723730f560e5bea919a64ac5b83d45eb72.tar.xz
linux-dev-98fd5c723730f560e5bea919a64ac5b83d45eb72.zip
nvmet-tcp: set MSG_MORE only if we actually have more to send
When we send PDU data, we want to optimize the tcp stack operation if we have more data to send. So when we set MSG_MORE when: - We have more fragments coming in the batch, or - We have a more data to send in this PDU - We don't have a data digest trailer - We optimize with the SUCCESS flag and omit the NVMe completion (used if sq_head pointer update is disabled) This addresses a regression in QD=1 with SUCCESS flag optimization as we unconditionally set MSG_MORE when we didn't actually have more data to send. Fixes: 70583295388a ("nvmet-tcp: implement C2HData SUCCESS optimization") Reported-by: Mark Wunderlich <mark.wunderlich@intel.com> Tested-by: Mark Wunderlich <mark.wunderlich@intel.com> Signed-off-by: Sagi Grimberg <sagi@grimberg.me> Signed-off-by: Keith Busch <kbusch@kernel.org>
Diffstat (limited to 'drivers/rpmsg')
0 files changed, 0 insertions, 0 deletions