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authorSantosh Shilimkar <santosh.shilimkar@oracle.com>2016-02-19 07:06:47 +0300
committerSantosh Shilimkar <santosh.shilimkar@oracle.com>2017-01-03 01:02:54 +0300
commit941f8d55f6d613a460a5e080d25a38509f45eb75 (patch)
tree64210e6e92f8c09fdb480843c92a5ce1c516968e /net/rds/rds.h
parentbe2f76eacc278c272f26d46e4168efe5a55f5383 (diff)
downloadlinux-941f8d55f6d613a460a5e080d25a38509f45eb75.tar.xz
RDS: RDMA: Fix the composite message user notification
When application sends an RDS RDMA composite message consist of RDMA transfer to be followed up by non RDMA payload, it expect to be notified *only* when the full message gets delivered. RDS RDMA notification doesn't behave this way though. Thanks to Venkat for debug and root casuing the issue where only first part of the message(RDMA) was successfully delivered but remainder payload delivery failed. In that case, application should not be notified with a false positive of message delivery success. Fix this case by making sure the user gets notified only after the full message delivery. Reviewed-by: Venkat Venkatsubra <venkat.x.venkatsubra@oracle.com> Signed-off-by: Santosh Shilimkar <santosh.shilimkar@oracle.com>
Diffstat (limited to 'net/rds/rds.h')
-rw-r--r--net/rds/rds.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/net/rds/rds.h b/net/rds/rds.h
index ebbf909b87ec..0bb8213c7d0b 100644
--- a/net/rds/rds.h
+++ b/net/rds/rds.h
@@ -419,6 +419,7 @@ struct rds_message {
} rdma;
struct rm_data_op {
unsigned int op_active:1;
+ unsigned int op_notify:1;
unsigned int op_nents;
unsigned int op_count;
unsigned int op_dmasg;