Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]


Groups > linux.kernel > #1485949

[PATCH 002/124] staging: lustre: ptlrpc: enlarge OST_MAXREQSIZE for 4MB RPC

From James Simmons <jsimmons@infradead.org>
Newsgroups linux.kernel
Subject [PATCH 002/124] staging: lustre: ptlrpc: enlarge OST_MAXREQSIZE for 4MB RPC
Date 2016-09-18 22:50 +0200
Message-ID <siRcd-4sg-5@gated-at.bofh.it> (permalink)
References <siR2y-4o4-19@gated-at.bofh.it>
Organization linux.* mail to news gateway

Show all headers | View raw


From: Li Xi <lixi@ddn.com>

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>
Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-4755
Reviewed-on: http://review.whamcloud.com/9599
Reviewed-by: Andreas Dilger <andreas.dilger@intel.com>
Reviewed-by: Jinshan Xiong <jinshan.xiong@intel.com>
Reviewed-by: James Simmons <uja.ornl@gmail.com>
Reviewed-by: Oleg Drokin <oleg.drokin@intel.com>
Signed-off-by: James Simmons <jsimmons@infradead.org>
---
 drivers/staging/lustre/lustre/include/lustre_net.h |    5 ++++-
 1 files changed, 4 insertions(+), 1 deletions(-)

diff --git a/drivers/staging/lustre/lustre/include/lustre_net.h b/drivers/staging/lustre/lustre/include/lustre_net.h
index 24ddcca..6d82998 100644
--- a/drivers/staging/lustre/lustre/include/lustre_net.h
+++ b/drivers/staging/lustre/lustre/include/lustre_net.h
@@ -261,7 +261,10 @@
 
 #define MDS_MAXREQSIZE		(5 * 1024)	/* >= 4736 */
 
-#define OST_MAXREQSIZE		(5 * 1024)
+/**
+ * FIEMAP request can be 4K+ for now
+ */
+#define OST_MAXREQSIZE		(16 * 1024)
 
 /* Macro to hide a typecast. */
 #define ptlrpc_req_async_args(req) ((void *)&req->rq_async_args)
-- 
1.7.1

Back to linux.kernel | Previous | Next | Find similar | Unroll thread


Thread

[PATCH 002/124] staging: lustre: ptlrpc: enlarge OST_MAXREQSIZE for 4MB RPC James Simmons <jsimmons@infradead.org> - 2016-09-18 22:50 +0200

csiph-web