Re: [PATCH] common/rc: Check more options for filefrag command

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Hi Eryu,

Thanks for your comment.
Your idea seems better to me, and i will send a v2 patch.  :-)

Best Regards,
Xiao Yang
On 2018/11/23 13:12, Eryu Guan wrote:

On Tue, Nov 20, 2018 at 04:41:08PM +0800, Xiao Yang wrote:
In generic/519, filefrag command use FIBMAP ioctl(-B option) to print
output in extent format(-e option) on purpose and sync file(-s option),
so check if the command supports all of these options by _require_filefrag_options().

Rename _require_fibmap() to _require_filefrag_options()
Also remove duplicate _require_command "$FILEFRAG_PROG" filefrag

References:
1) filefrag supports -e option by commit 2508eaa since v1.42.7.
2) filefrag supports -B option by commit 5d5e01d since v1.41.9.
3) filefrag supports -s option by commit e62847c since v1.41.6.

Signed-off-by: Xiao Yang<yangx.jy@xxxxxxxxxxxxxx>
---
  common/rc         | 12 +++++++-----
  tests/generic/519 |  3 +--
  2 files changed, 8 insertions(+), 7 deletions(-)

diff --git a/common/rc b/common/rc
index ecb1738..5a11359 100644
--- a/common/rc
+++ b/common/rc
@@ -3843,17 +3843,19 @@ _require_scratch_btime()
  	_scratch_unmount
  }

-_require_fibmap()
+_require_filefrag_options()
  {
  	_require_command "$FILEFRAG_PROG" filefrag

-	local file="$TEST_DIR/fibmap_testfile"
+	local options=$1
+	local file="$TEST_DIR/testfile"

  	echo "XX">  $file
-	${FILEFRAG_PROG} -B $file 2>&1 | grep -q "FIBMAP[[:space:]]*unsupported"
-	if [ $? -eq 0 ]; then
+	local output=`${FILEFRAG_PROG} $options $file 2>&1`
+	echo $output | grep -q "FIBMAP[[:space:]]*unsupported"&&  \
  		_notrun "FIBMAP not supported by this filesystem"
I think we'd better to split the FIBMAP check from the other options
check. e.g. keep the _require_fibmap() function, but require needed
options first there.

_require_fibmap()
{
	_require_filefrag_options "B"
	<other FIBMAP checks>
}

-	fi
+	echo $output | grep -q "invalid option"&&  \
+		_notrun "filefrag doesn't support $options option"
  	rm -f $file
  }

diff --git a/tests/generic/519 b/tests/generic/519
index 229c5b4..ccc15d4 100755
--- a/tests/generic/519
+++ b/tests/generic/519
@@ -33,8 +33,7 @@ rm -f $seqres.full
  _supported_fs generic
  _supported_os Linux
  _require_scratch
-_require_command "$FILEFRAG_PROG" filefrag
-_require_fibmap
+_require_filefrag_options "-Bes"
And we require fibmap and other needed options in the test, e.g.

_require_fibmap
_require_filefrag_options "es"

Note that no "-" in the required options.

Thanks,
Eryu


  testfile="$SCRATCH_MNT/$seq-testfile"

--
1.8.3.1











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