From 9be65e9745d264d4f142eb87b4c7727467918973 Mon Sep 17 00:00:00 2001
From: Brian Behlendorf <behlendorf1@llnl.gov>
Date: Tue, 19 Jul 2011 15:05:31 -0700
Subject: [PATCH] Add _require_fallocate helper

A helper to determine if the filesystem supports fallocate(2).
Tests which rely on this functionality have been updated to
use this helper function allowing the tests to be skipped.
---
 075       |  2 ++
 112       |  2 ++
 213       |  1 +
 214       |  1 +
 223       |  1 +
 228       |  1 +
 243       |  1 +
 common.rc | 22 ++++++++++++++++++++++
 8 files changed, 31 insertions(+)

diff --git a/075 b/075
index 0f0a6ed25..c1bb71889 100755
--- a/075
+++ b/075
@@ -127,6 +127,8 @@ _process_args()
 _supported_fs generic
 _supported_os IRIX Linux
 
+_require_fallocate
+
 size10=`expr 10 \* 1024 \* 1024`	# 10 megabytes
 filelen=$size10
 numops1=1000
diff --git a/112 b/112
index 557350ac3..f55a19c10 100755
--- a/112
+++ b/112
@@ -125,6 +125,8 @@ _process_args()
 _supported_fs generic
 _supported_os Linux
 
+_require_fallocate
+
 [ -x $here/ltp/aio-stress ] || \
 	_notrun "fsx not built with AIO for this platform"
 
diff --git a/213 b/213
index 9982dd48d..a38d96740 100755
--- a/213
+++ b/213
@@ -55,6 +55,7 @@ _supported_os Linux
 
 rm -f $seq.full
 
+_require_fallocate
 _require_xfs_io_falloc
 
 # check there's enough freespace on $TEST_DIR ... (1GiB + 1MiB)
diff --git a/214 b/214
index cef7626e7..49c91cf3b 100755
--- a/214
+++ b/214
@@ -54,6 +54,7 @@ _supported_os Linux
 rm -f $seq.full
 rm -f $TEST_DIR/ouch*
 
+_require_fallocate
 _require_xfs_io_falloc
 
 # Ok, off we go.
diff --git a/223 b/223
index 2e0a24511..8930a5614 100755
--- a/223
+++ b/223
@@ -47,6 +47,7 @@ _supported_fs generic
 _supported_os Linux
 
 _require_scratch
+_require_fallocate
 _require_xfs_io_falloc
 
 rm -f $seq.full
diff --git a/228 b/228
index fa230b073..4e3bdf612 100755
--- a/228
+++ b/228
@@ -54,6 +54,7 @@ _supported_os Linux
 rm -f $seq.full
 
 # Sanity check to see if fallocate works
+_require_fallocate
 _require_xfs_io_falloc
 
 # Check if we have good enough space available
diff --git a/243 b/243
index 48f79327e..6779ed393 100755
--- a/243
+++ b/243
@@ -120,6 +120,7 @@ _check_ext4_eof_flag()
 # Prerequisites for the test run.
 _supported_fs ext4 xfs btrfs gfs2
 _supported_os Linux
+_require_fallocate
 _require_xfs_io_falloc
 
 # Real QA test starts here.
diff --git a/common.rc b/common.rc
index 60d2254d7..b50c695f8 100644
--- a/common.rc
+++ b/common.rc
@@ -982,6 +982,28 @@ _require_sparse_files()
     esac
 }
 
+#
+# Check if the filesystem supports fallocate.
+#
+_require_fallocate()
+{
+    if [ ! -x /bin/fallocate -a ! -x /usr/bin/fallocate -a ! -x /sbin/fallocate ]; then
+        _notrun "fallocate command not found"
+    fi
+
+    #
+    # Test if fallocate supports fallocate.
+    #
+    fallocate -l 65536 $TEST_DIR/syscalltest > $TEST_DIR/syscalltest.out 2>&1
+    cat $TEST_DIR/syscalltest.out >> $here/$seq.full
+
+    if grep -q 'Operation not supported' $TEST_DIR/syscalltest.out; then
+      _notrun "fallocate not supported by this filesystem type: $FSTYP"
+    fi
+
+    rm -f $TEST_DIR/syscalltest.out
+}
+
 # check that a FS on a device is mounted
 # if so, return mount point
 #