Re: [PATCH 1/8] xfstests: Create single function for testing xfs_io commands

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On 2/28/14, 10:10 AM, Lukas Czerner wrote:
> Currently there are several function testing various xfs_io commands.
> This commit creates _require_xfs_io_command() to test any xfs_command.
> 
> Signed-off-by: Lukas Czerner <lczerner@xxxxxxxxxx>

Nice, 

So to be clear, is the difference here that the explicitly listed commands
also ensure that the running kernel supports it, whereas the default simply
makes sure that xfs_io accepts it?  I suppose it's self-explanatory.

Looks good to me,

Reviewed-by: Eric Sandeen <sandeen@xxxxxxxxxx>



> ---
>  common/rc | 72 +++++++++++++++++++++++++++++++++------------------------------
>  1 file changed, 38 insertions(+), 34 deletions(-)
> 
> diff --git a/common/rc b/common/rc
> index f2c3c3a..7f530d0 100644
> --- a/common/rc
> +++ b/common/rc
> @@ -1296,12 +1296,43 @@ _user_do()
>      fi
>  }
>  
> +_require_xfs_io_command()
> +{
> +	if [ $# -ne 1 ]
> +	then
> +		echo "Usage: _require_xfs_io_command command" 1>&2
> +		exit 1
> +	fi
> +	command=$1
> +
> +	testfile=$TEST_DIR/$$.xfs_io
> +	case $command in
> +	"falloc" )
> +		testio=`$XFS_IO_PROG -F -f -c "falloc 0 1m" $testfile 2>&1`
> +		;;
> +	"fpunch" | "fcollapse" | "zero" )
> +		testio=`$XFS_IO_PROG -F -f -c "pwrite 0 20k" -c "fsync" \
> +			-c "$command 4k 8k" $testfile 2>&1`
> +		;;
> +	"fiemap")
> +		testio=`$XFS_IO_PROG -F -f -c "pwrite 0 20k" -c "fsync" \
> +			-c "fiemap -v" $testfile 2>&1`
> +		;;
> +	*)
> +		testio=`$XFS_IO_PROG -c "$command help" 2>&1`
> +	esac
> +
> +	rm -f $testfile 2>&1 > /dev/null
> +	echo $testio | grep -q "not found" && \
> +		_notrun "xfs_io $command support is missing"
> +	echo $testio | grep -q "Operation not supported" && \
> +		_notrun "xfs_io $command failed (old kernel/wrong fs?)"
> +}
> +
>  # check that xfs_io, kernel, and filesystem all support zero
>  _require_xfs_io_zero()
>  {
> -	testio=`$XFS_IO_PROG -c "zero help" 2>&1`
> -	echo $testio | grep -q 'command "zero" not found' && \
> -		_notrun "zero command not supported"
> +	_require_xfs_io_command "zero"
>  }

Nice, so now this actually *does* test the 2nd and 3rd items.  :)

>  # check that xfs_io, glibc, kernel, and filesystem all (!) support
> @@ -1309,54 +1340,27 @@ _require_xfs_io_zero()
>  #
>  _require_xfs_io_falloc()
>  {
> -	testfile=$TEST_DIR/$$.falloc
> -	testio=`$XFS_IO_PROG -F -f -c "falloc 0 1m" $testfile 2>&1`
> -	rm -f $testfile 2>&1 > /dev/null
> -	echo $testio | grep -q "not found" && \
> -		_notrun "xfs_io fallocate support is missing"
> -	echo $testio | grep -q "Operation not supported" && \
> -		_notrun "xfs_io fallocate command failed (old kernel/wrong fs?)"
> +	_require_xfs_io_command "falloc"
>  }
>  
>  # check that xfs_io, kernel and filesystem all support fallocate with hole
>  # punching
>  _require_xfs_io_falloc_punch()
>  {
> -	testfile=$TEST_DIR/$$.falloc
> -	testio=`$XFS_IO_PROG -F -f -c "pwrite 0 20k" -c "fsync" \
> -		-c "fpunch 4k 8k" $testfile 2>&1`
> -	rm -f $testfile 2>&1 > /dev/null
> -	echo $testio | grep -q "not found" && \
> -		_notrun "xfs_io fallocate punch support is missing"
> -	echo $testio | grep -q "Operation not supported" && \
> -		_notrun "xfs_io fallocate punch command failed (no fs support?)"
> +	_require_xfs_io_command "fpunch"
>  }
>  
>  # check that xfs_io, kernel and filesystem all support fallocate with collapse
>  # range
>  _require_xfs_io_falloc_collapse()
>  {
> -	testfile=$TEST_DIR/$$.falloc
> -	testio=`$XFS_IO_PROG -f -c "pwrite 0 20k" -c "fsync" \
> -		-c "fcollapse 4k 8k" $testfile 2>&1`
> -	rm -f $testfile 2>&1 > /dev/null
> -	echo $testio | grep -q "not found" && \
> -		_notrun "xfs_io fallocate collapse range support is missing"
> -	echo $testio | grep -q "Operation not supported" && \
> -		_notrun "xfs_io fallocate collapse range failed (no fs support?)"
> +	_require_xfs_io_command "fcollapse"
>  }
>  
>  # check that xfs_io, kernel and filesystem support fiemap
>  _require_xfs_io_fiemap()
>  {
> -	testfile=$TEST_DIR/$$.fiemap
> -	testio=`$XFS_IO_PROG -F -f -c "pwrite 0 20k" -c "fsync" \
> -		-c "fiemap -v" $testfile 2>&1`
> -	rm -f $testfile 2>&1 > /dev/null
> -	echo $testio | grep -q "not found" && \
> -		_notrun "xfs_io fiemap support is missing"
> -	echo $testio | grep -q "Operation not supported" && \
> -		_notrun "xfs_io fiemap command failed (no fs support?)"
> +	_require_xfs_io_command "fiemap"
>  }
>  
>  # Check that a fs has enough free space (in 1024b blocks)
> 

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