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[PATCH v2] xfstests: generic/255: Execute only if blocksize is 4k

To: xfs@xxxxxxxxxxx, Eric Sandeen <sandeen@xxxxxxxxxx>, david@xxxxxxxxxxxxx
Subject: [PATCH v2] xfstests: generic/255: Execute only if blocksize is 4k
From: chandan <chandan@xxxxxxxxxxxxxxxxxx>
Date: Sat, 31 Aug 2013 22:47:25 +0530
Cc: Eric Sandeen <sandeen@xxxxxxxxxxx>, sekharan@xxxxxxxxxxxxxxxxxx
Delivered-to: xfs@xxxxxxxxxxx
User-agent: KMail/4.10.5 (Linux/3.10.9-200.fc19.x86_64; KDE/4.10.5; x86_64; ; )
This patch adds the function _require_4k_blocksize() to perform the
block size check on the filesystem hosted by $TEST_DEV and $SCRATCH_DEV.

Signed-off-by: chandan <chandan@xxxxxxxxxxxxxxxxxx>
---
 common/rc         | 10 ++++++++++
 tests/generic/255 |  1 +
 2 files changed, 11 insertions(+)

diff --git a/common/rc b/common/rc
index 77e96c4..fa2bbe0 100644
--- a/common/rc
+++ b/common/rc
@@ -2118,6 +2118,16 @@ _require_dumpe2fs()
        fi
 }
 
+_require_4k_blocksize()
+{
+       test_dev_bs=`stat -f $TEST_DIR | grep "Block size" | cut -d " " -f3`
+       scratch_dev_bs=`stat -f $SCRATCH_MNT | grep "Block size" | cut -d " " 
-f3`
+
+       if (( $test_dev_bs != 4096 || $scratch_dev_bs != 4096 )); then
+               _notrun "This test requires a filesystem with 4k block size."
+       fi
+}
+
 _create_loop_device()
 {
        file=$1
diff --git a/tests/generic/255 b/tests/generic/255
index dd329b4..ce617dc 100755
--- a/tests/generic/255
+++ b/tests/generic/255
@@ -49,6 +49,7 @@ _supported_os Linux
 _require_xfs_io_falloc_punch
 _require_xfs_io_falloc
 _require_xfs_io_fiemap
+_require_4k_blocksize
 
 testfile=$TEST_DIR/255.$$
 
-- 
1.8.3.1


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