LU-15190 ptlrpc: fix duplication check

ptlrpc_server_check_for_resend() skips duplication check if
current exp_rpc_count == 0 which is wrong as exp_rpc_count
is incremented for RPCs in progress.

Signed-off-by: Alex Zhuravlev <bzzz@whamcloud.com>
Change-Id: I4ba1600341d916871f66aceb4d6a1043dd015e55
Reviewed-on: https://review.whamcloud.com/45445
Reviewed-by: Mike Pershin <mpershin@whamcloud.com>
Reviewed-by: Andreas Dilger <adilger@whamcloud.com>
Tested-by: jenkins <devops@whamcloud.com>
Tested-by: Maloo <maloo@whamcloud.com>
Reviewed-by: Oleg Drokin <green@whamcloud.com>

diff --git a/lustre/ptlrpc/service.c b/lustre/ptlrpc/service.c
index 47e653a..5cb73b4 100644 (file)
--- a/lustre/ptlrpc/service.c
+++ b/lustre/ptlrpc/service.c
@@ -1639,8 +1639,7 @@ ptlrpc_server_check_resend_in_progress(struct ptlrpc_request *req)
 {
        struct ptlrpc_request *tmp = NULL;
 
 {
        struct ptlrpc_request *tmp = NULL;
 

-       if (!(lustre_msg_get_flags(req->rq_reqmsg) & MSG_RESENT) ||
-           (atomic_read(&req->rq_export->exp_rpc_count) == 0))
+       if (!(lustre_msg_get_flags(req->rq_reqmsg) & MSG_RESENT))

                return NULL;
 
        /*
                return NULL;
 
        /*