RDS/IB: create a work queue for FMR flushing
This patch moves the FMR flushing work in to its own mult-threaded work queue.
This is to maintain performance in preparation for returning the main krdsd
work queue back to a single threaded work queue to avoid deep-rooted
concurrency bugs.
This is also good because it further separates FMRs, which might be removed
some day, from the rest of the code base.
Signed-off-by: Zach Brown <zach.brown@oracle.com>
diff --git a/net/rds/ib.c b/net/rds/ib.c
index af1ef18..d2007b9 100644
--- a/net/rds/ib.c
+++ b/net/rds/ib.c
@@ -351,6 +351,7 @@
rds_ib_sysctl_exit();
rds_ib_recv_exit();
rds_trans_unregister(&rds_ib_transport);
+ rds_ib_fmr_exit();
}
struct rds_transport rds_ib_transport = {
@@ -386,10 +387,14 @@
INIT_LIST_HEAD(&rds_ib_devices);
- ret = ib_register_client(&rds_ib_client);
+ ret = rds_ib_fmr_init();
if (ret)
goto out;
+ ret = ib_register_client(&rds_ib_client);
+ if (ret)
+ goto out_fmr_exit;
+
ret = rds_ib_sysctl_init();
if (ret)
goto out_ibreg;
@@ -412,6 +417,8 @@
rds_ib_sysctl_exit();
out_ibreg:
rds_ib_unregister_client();
+out_fmr_exit:
+ rds_ib_fmr_exit();
out:
return ret;
}