6e952607f1
- total no of rdma reads in progress was tracked using refcount of post
(refcount = total rdma reads + 1). However doing rdma_post_unref _after_
rdma_do_reads, can result in race condition between execution of
rdma_post_unref and procedure handling rdma read completion. This makes
it impossible to find out whether the current rdma read was the last
rdma-read being done in procedure handling rdma read-completion.
The fix to this should either do rdma_post_unref before posting an rdma
read or use another variable to track the number of rdma-reads.
This patch implements second method.
Signed-off-by: Raghavendra G <raghavendra@gluster.com>
Signed-off-by: Vijay Bellur <vijay@dev.gluster.com>
BUG: 1700 (write fops are bailing out on a distribute setup)
URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=1700