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[PATCH] xfstests: only run generic/300 on filesystems supporting falloca

To: xfs@xxxxxxxxxxx
Subject: [PATCH] xfstests: only run generic/300 on filesystems supporting fallocate()
From: Eric Whitney <enwlinux@xxxxxxxxx>
Date: Fri, 23 Aug 2013 16:41:32 -0400
Cc: linux-ext4@xxxxxxxxxxxxxxx
Delivered-to: xfs@xxxxxxxxxxx
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User-agent: Mutt/1.5.21 (2010-09-15)
Generic/300 fails when run on a test filesystem that does not support
fallocate(), as in the case of an ext4 filesystem created without the
extent feature.  It uses fio's falloc ioengine to generate part of its
I/O load.

Verify that the test filesystem supports fallocate() before proceeding
with the test.  Also, delete any pre-existing test output to avoid
confusion with old results.

Signed-off-by: Eric Whitney <enwlinux@xxxxxxxxx>
---
 tests/generic/300 |    3 +++
 1 file changed, 3 insertions(+)

diff --git a/tests/generic/300 b/tests/generic/300
index 7c60728..1ac763b 100755
--- a/tests/generic/300
+++ b/tests/generic/300
@@ -43,6 +43,9 @@ _supported_fs generic
 _supported_os Linux
 _need_to_be_root
 _require_scratch
+_require_xfs_io_falloc
+
+rm -f $seqres.full
 
 NUM_JOBS=$((4*LOAD_FACTOR))
 BLK_DEV_SIZE=`blockdev --getsz $SCRATCH_DEV`
-- 
1.7.10.4

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