From: Li Xi <lixi@ddn.com>
Date: Wed, 12 Mar 2014 11:25:52 +0000 (+0800)
Subject: LU-4755 ptlrpc: enlarge OST_MAXREQSIZE for 4MB RPC
X-Git-Tag: 2.6.51~106
X-Git-Url: https://git.whamcloud.com/?p=fs%2Flustre-release.git;a=commitdiff_plain;h=2efe07575a01a58f7036116131f9f43181a71977

LU-4755 ptlrpc: enlarge OST_MAXREQSIZE for 4MB RPC

This patch enlarges OST_MAXREQSIZE so as to make the
request size large enough for 4MB RPC.

Signed-off-by: Li Xi <lixi@ddn.com>
Change-Id: I6195c05ced9e6c533c2ad88f21a941f1dddb53e6
Reviewed-on: http://review.whamcloud.com/9599
Reviewed-by: Andreas Dilger <andreas.dilger@intel.com>
Tested-by: Jenkins
Reviewed-by: Jinshan Xiong <jinshan.xiong@intel.com>
Tested-by: Maloo <hpdd-maloo@intel.com>
Reviewed-by: James Simmons <uja.ornl@gmail.com>
Reviewed-by: Oleg Drokin <oleg.drokin@intel.com>
---

diff --git a/lustre/include/lustre_net.h b/lustre/include/lustre_net.h
index e10d40e..69261bf 100644
--- a/lustre/include/lustre_net.h
+++ b/lustre/include/lustre_net.h
@@ -494,7 +494,7 @@
 /**
  * FIEMAP request can be 4K+ for now
  */
-#define OST_MAXREQSIZE		(5 * 1024)
+#define OST_MAXREQSIZE		(16 * 1024)
 #define OST_IO_MAXREQSIZE	max_t(int, OST_MAXREQSIZE, \
 				(((_OST_MAXREQSIZE_SUM - 1) | (1024 - 1)) + 1))