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>

1 files changed, 2 insertions, 0 deletions

diff --git a/net/rds/ib.h b/net/rds/ib.h
index e9f9ddf440ca..fd4ea69d2443 100644
--- a/net/rds/ib.h
+++ b/net/rds/ib.h
@@ -308,6 +308,8 @@ void *rds_ib_get_mr(struct scatterlist *sg, unsigned long nents,
 void rds_ib_sync_mr(void *trans_private, int dir);
 void rds_ib_free_mr(void *trans_private, int invalidate);
 void rds_ib_flush_mrs(void);
+int __init rds_ib_fmr_init(void);
+void __exit rds_ib_fmr_exit(void);
 
 /* ib_recv.c */
 int __init rds_ib_recv_init(void);