From 9da4958b7853f36a137c80493bec932b79d85e84 Mon Sep 17 00:00:00 2001
From: Anand Avati <avati@redhat.com>
Date: Mon, 25 Nov 2013 10:28:56 -0800
Subject: socket: limit vector count to IOV_MAX

IOV_MAX is the maximum supported vector count on a given platform.
Limit the count to IOV_MAX if higher. As we are performing non-blocking
IO getting a smaller return value is handled naturally.

Change-Id: I94ef67a03ed0e10da67a776af2b55506bf721611
BUG: 1034398
Signed-off-by: Anand Avati <avati@redhat.com>
Reviewed-on: http://review.gluster.org/6354
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Amar Tumballi <amarts@gmail.com>
---
 libglusterfs/src/common-utils.h | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'libglusterfs/src')

diff --git a/libglusterfs/src/common-utils.h b/libglusterfs/src/common-utils.h
index 05e4d5b34..500d34237 100644
--- a/libglusterfs/src/common-utils.h
+++ b/libglusterfs/src/common-utils.h
@@ -27,6 +27,7 @@
 #ifndef GF_BSD_HOST_OS
 #include <alloca.h>
 #endif
+#include <limits.h>
 
 void trap (void);
 
@@ -258,6 +259,8 @@ union gf_sock_union {
 
 #define GF_HIDDEN_PATH ".glusterfs"
 
+#define IOV_MIN(n) min(IOV_MAX,n)
+
 static inline void
 iov_free (struct iovec *vector, int count)
 {
-- 
cgit