From 6c9433c150ad12d01f7ea4cfc72c8647a08ac5fc Mon Sep 17 00:00:00 2001
From: Brian Behlendorf <behlendorf1@llnl.gov>
Date: Wed, 20 May 2009 10:56:13 -0700
Subject: SLES10 Fixes (part 3): - Configure check for mutex_lock_nested(). 
 This function was introduced   as part of the mutex validator in 2.6.18, but
 if it's unavailable then   it's safe to fallback to a plain mutex_lock().

---
 configure.ac | 1 +
 1 file changed, 1 insertion(+)

(limited to 'configure.ac')

diff --git a/configure.ac b/configure.ac
index 179dbc1d7..e05629750 100644
--- a/configure.ac
+++ b/configure.ac
@@ -67,6 +67,7 @@ SPL_AC_UACCESS_HEADER
 SPL_AC_KMALLOC_NODE
 SPL_AC_MONOTONIC_CLOCK
 SPL_AC_INODE_I_MUTEX
+SPL_AC_MUTEX_LOCK_NESTED
 SPL_AC_DIV64_64
 SPL_AC_DIV64_U64
 SPL_AC_3ARGS_ON_EACH_CPU
-- 
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