qemu-iotests: Whitespace cleanup

These scripts used to have a four characters indentation, with eight
consecutive spaces converted into a tab. Convert everything into spaces.

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>

6 files changed, 400 insertions, 400 deletions

diff --git a/tests/qemu-iotests/check b/tests/qemu-iotests/check
index 74628ae637..e51bae8cee 100755
--- a/tests/qemu-iotests/check
+++ b/tests/qemu-iotests/check
@@ -78,50 +78,50 @@ _wrapup()
 
     if $showme
     then
-	:
+        :
     elif $needwrap
     then
-	if [ -f check.time -a -f $tmp.time ]
-	then
-	    cat check.time $tmp.time \
-	    | $AWK_PROG '
-	{ t[$1] = $2 }
-END	{ if (NR > 0) {
-	    for (i in t) print i " " t[i]
-	  }
-	}' \
-	    | sort -n >$tmp.out
-	    mv $tmp.out check.time
-	fi
-
-	if [ -f $tmp.expunged ]
-	then
-	    notrun=`wc -l <$tmp.expunged | sed -e 's/  *//g'`
-	    try=`expr $try - $notrun`
-	    list=`echo "$list" | sed -f $tmp.expunged`
-	fi
-
-	echo "" >>check.log
-	date >>check.log
-	echo $list | fmt | sed -e 's/^/    /' >>check.log
-	$interrupt && echo "Interrupted!" >>check.log
-        
-	if [ ! -z "$notrun" ]
-	then
-	    echo "Not run:$notrun"
-	    echo "Not run:$notrun" >>check.log
-	fi
+        if [ -f check.time -a -f $tmp.time ]
+        then
+            cat check.time $tmp.time \
+            | $AWK_PROG '
+        { t[$1] = $2 }
+END        { if (NR > 0) {
+            for (i in t) print i " " t[i]
+          }
+        }' \
+            | sort -n >$tmp.out
+            mv $tmp.out check.time
+        fi
+
+        if [ -f $tmp.expunged ]
+        then
+            notrun=`wc -l <$tmp.expunged | sed -e 's/  *//g'`
+            try=`expr $try - $notrun`
+            list=`echo "$list" | sed -f $tmp.expunged`
+        fi
+
+        echo "" >>check.log
+        date >>check.log
+        echo $list | fmt | sed -e 's/^/    /' >>check.log
+        $interrupt && echo "Interrupted!" >>check.log
+
+        if [ ! -z "$notrun" ]
+        then
+            echo "Not run:$notrun"
+            echo "Not run:$notrun" >>check.log
+        fi
         if [ ! -z "$n_bad" -a $n_bad != 0 ]
-	then
-	    echo "Failures:$bad"
-	    echo "Failed $n_bad of $try tests"
-	    echo "Failures:$bad" | fmt >>check.log
-	    echo "Failed $n_bad of $try tests" >>check.log
-	else
-	    echo "Passed all $try tests"
-	    echo "Passed all $try tests" >>check.log
-	fi
-	needwrap=false
+        then
+            echo "Failures:$bad"
+            echo "Failed $n_bad of $try tests"
+            echo "Failures:$bad" | fmt >>check.log
+            echo "Failed $n_bad of $try tests" >>check.log
+        else
+            echo "Passed all $try tests"
+            echo "Passed all $try tests" >>check.log
+        fi
+        needwrap=false
     fi
 
     rm -f /tmp/*.out /tmp/*.err /tmp/*.time
@@ -185,82 +185,82 @@ do
 
     if $showme
     then
-	echo
-	continue
-    elif [ -f expunged ] && $expunge && egrep "^$seq([ 	]|\$)" expunged >/dev/null
+        echo
+        continue
+    elif [ -f expunged ] && $expunge && egrep "^$seq([         ]|\$)" expunged >/dev/null
     then
-	echo " - expunged"
-	rm -f $seq.out.bad
-	echo "/^$seq\$/d" >>$tmp.expunged
+        echo " - expunged"
+        rm -f $seq.out.bad
+        echo "/^$seq\$/d" >>$tmp.expunged
     elif [ ! -f $seq ]
     then
-	echo " - no such test?"
-	echo "/^$seq\$/d" >>$tmp.expunged
+        echo " - no such test?"
+        echo "/^$seq\$/d" >>$tmp.expunged
     else
-	# really going to try and run this one
-	#
-	rm -f $seq.out.bad
-	lasttime=`sed -n -e "/^$seq /s/.* //p" <check.time`
-	if [ "X$lasttime" != X ]; then
-		echo -n " ${lasttime}s ..."
-	else
-		echo -n "	"	# prettier output with timestamps.
-	fi
-	rm -f core $seq.notrun
-
-	# for hangcheck ...
-	echo "$seq" >/tmp/check.sts
-
-	start=`_wallclock`
-	$timestamp && echo -n "	["`date "+%T"`"]"
-	[ ! -x $seq ] && chmod u+x $seq # ensure we can run it
-	MALLOC_PERTURB_=${MALLOC_PERTURB_:-$(($RANDOM % 255 + 1))} \
-		./$seq >$tmp.out 2>&1
-	sts=$?
-	$timestamp && _timestamp
-	stop=`_wallclock`
-
-	if [ -f core ]
-	then
-	    echo -n " [dumped core]"
-	    mv core $seq.core
-	    err=true
-	fi
-
-	if [ -f $seq.notrun ]
-	then
-	    $timestamp || echo -n " [not run] "
-	    $timestamp && echo " [not run]" && echo -n "	$seq -- "
-	    cat $seq.notrun
-	    notrun="$notrun $seq"
-	else
-	    if [ $sts -ne 0 ]
-	    then
-		echo -n " [failed, exit status $sts]"
-		err=true
-	    fi
-	    if [ ! -f $seq.out ]
-	    then
-		echo " - no qualified output"
-		err=true
-	    else
-		if diff -w $seq.out $tmp.out >/dev/null 2>&1
-		then
-		    echo ""
-		    if $err
-		    then
-			:
-		    else
-			echo "$seq `expr $stop - $start`" >>$tmp.time
-		    fi
-		else
-		    echo " - output mismatch (see $seq.out.bad)"
-		    mv $tmp.out $seq.out.bad
-		    $diff -w $seq.out $seq.out.bad
-		    err=true
-		fi
-	    fi
-	fi
+        # really going to try and run this one
+        #
+        rm -f $seq.out.bad
+        lasttime=`sed -n -e "/^$seq /s/.* //p" <check.time`
+        if [ "X$lasttime" != X ]; then
+                echo -n " ${lasttime}s ..."
+        else
+                echo -n "        "        # prettier output with timestamps.
+        fi
+        rm -f core $seq.notrun
+
+        # for hangcheck ...
+        echo "$seq" >/tmp/check.sts
+
+        start=`_wallclock`
+        $timestamp && echo -n "        ["`date "+%T"`"]"
+        [ ! -x $seq ] && chmod u+x $seq # ensure we can run it
+        MALLOC_PERTURB_=${MALLOC_PERTURB_:-$(($RANDOM % 255 + 1))} \
+                ./$seq >$tmp.out 2>&1
+        sts=$?
+        $timestamp && _timestamp
+        stop=`_wallclock`
+
+        if [ -f core ]
+        then
+            echo -n " [dumped core]"
+            mv core $seq.core
+            err=true
+        fi
+
+        if [ -f $seq.notrun ]
+        then
+            $timestamp || echo -n " [not run] "
+            $timestamp && echo " [not run]" && echo -n "        $seq -- "
+            cat $seq.notrun
+            notrun="$notrun $seq"
+        else
+            if [ $sts -ne 0 ]
+            then
+                echo -n " [failed, exit status $sts]"
+                err=true
+            fi
+            if [ ! -f $seq.out ]
+            then
+                echo " - no qualified output"
+                err=true
+            else
+                if diff -w $seq.out $tmp.out >/dev/null 2>&1
+                then
+                    echo ""
+                    if $err
+                    then
+                        :
+                    else
+                        echo "$seq `expr $stop - $start`" >>$tmp.time
+                    fi
+                else
+                    echo " - output mismatch (see $seq.out.bad)"
+                    mv $tmp.out $seq.out.bad
+                    $diff -w $seq.out $seq.out.bad
+                    err=true
+                fi
+            fi
+        fi
 
     fi
 
@@ -268,12 +268,12 @@ do
     #
     if $err
     then
-	bad="$bad $seq"
-	n_bad=`expr $n_bad + 1`
-	quick=false
+        bad="$bad $seq"
+        n_bad=`expr $n_bad + 1`
+        quick=false
     fi
     [ -f $seq.notrun ] || try=`expr $try + 1`
-    
+
     seq="after_$seq"
 done
 
diff --git a/tests/qemu-iotests/common b/tests/qemu-iotests/common
index 6826ea72fe..fecaf85074 100644
--- a/tests/qemu-iotests/common
+++ b/tests/qemu-iotests/common
@@ -54,58 +54,58 @@ do
 
     if $group
     then
-	# arg after -g
-	group_list=`sed -n <group -e 's/$/ /' -e "/^[0-9][0-9][0-9].* $r /"'{
+        # arg after -g
+        group_list=`sed -n <group -e 's/$/ /' -e "/^[0-9][0-9][0-9].* $r /"'{
 s/ .*//p
 }'`
-	if [ -z "$group_list" ]
-	then
-	    echo "Group \"$r\" is empty or not defined?"
-	    exit 1
-	fi
-	[ ! -s $tmp.list ] && touch $tmp.list
-	for t in $group_list
-	do
-	    if grep -s "^$t\$" $tmp.list >/dev/null
-	    then
-		:
-	    else
-		echo "$t" >>$tmp.list
-	    fi
-	done
-	group=false
-	continue
+        if [ -z "$group_list" ]
+        then
+            echo "Group \"$r\" is empty or not defined?"
+            exit 1
+        fi
+        [ ! -s $tmp.list ] && touch $tmp.list
+        for t in $group_list
+        do
+            if grep -s "^$t\$" $tmp.list >/dev/null
+            then
+                :
+            else
+                echo "$t" >>$tmp.list
+            fi
+        done
+        group=false
+        continue
 
     elif $xgroup
     then
-	# arg after -x
-	[ ! -s $tmp.list ] && ls [0-9][0-9][0-9] [0-9][0-9][0-9][0-9] >$tmp.list 2>/dev/null
-	group_list=`sed -n <group -e 's/$/ /' -e "/^[0-9][0-9][0-9].* $r /"'{
+        # arg after -x
+        [ ! -s $tmp.list ] && ls [0-9][0-9][0-9] [0-9][0-9][0-9][0-9] >$tmp.list 2>/dev/null
+        group_list=`sed -n <group -e 's/$/ /' -e "/^[0-9][0-9][0-9].* $r /"'{
 s/ .*//p
 }'`
-	if [ -z "$group_list" ]
-	then
-	    echo "Group \"$r\" is empty or not defined?"
-	    exit 1
-	fi
-	numsed=0
-	rm -f $tmp.sed
-	for t in $group_list
-	do
-	    if [ $numsed -gt 100 ]
-	    then
-		sed -f $tmp.sed <$tmp.list >$tmp.tmp
-		mv $tmp.tmp $tmp.list
-		numsed=0
-		rm -f $tmp.sed
-	    fi
-	    echo "/^$t\$/d" >>$tmp.sed
-	    numsed=`expr $numsed + 1`
-	done
-	sed -f $tmp.sed <$tmp.list >$tmp.tmp
-	mv $tmp.tmp $tmp.list
-	xgroup=false
-	continue
+        if [ -z "$group_list" ]
+        then
+            echo "Group \"$r\" is empty or not defined?"
+            exit 1
+        fi
+        numsed=0
+        rm -f $tmp.sed
+        for t in $group_list
+        do
+            if [ $numsed -gt 100 ]
+            then
+                sed -f $tmp.sed <$tmp.list >$tmp.tmp
+                mv $tmp.tmp $tmp.list
+                numsed=0
+                rm -f $tmp.sed
+            fi
+            echo "/^$t\$/d" >>$tmp.sed
+            numsed=`expr $numsed + 1`
+        done
+        sed -f $tmp.sed <$tmp.list >$tmp.tmp
+        mv $tmp.tmp $tmp.list
+        xgroup=false
+        continue
 
     elif $imgopts
     then
@@ -119,11 +119,11 @@ s/ .*//p
     case "$r"
     in
 
-	-\? | -h | --help)	# usage
-	    echo "Usage: $0 [options] [testlist]"'
+        -\? | -h | --help)        # usage
+            echo "Usage: $0 [options] [testlist]"'
 
 common options
-    -v			verbose
+    -v                        verbose
 
 check options
     -raw                test raw (default)
@@ -138,162 +138,162 @@ check options
     -sheepdog           test sheepdog
     -nbd                test nbd
     -ssh                test ssh
-    -xdiff		graphical mode diff
-    -nocache		use O_DIRECT on backing file
-    -misalign		misalign memory allocations
-    -n			show me, do not run tests
+    -xdiff                graphical mode diff
+    -nocache                use O_DIRECT on backing file
+    -misalign                misalign memory allocations
+    -n                        show me, do not run tests
     -o options          -o options to pass to qemu-img create/convert
-    -T			output timestamps
-    -r 			randomize test order
-    
+    -T                        output timestamps
+    -r                         randomize test order
+
 testlist options
-    -g group[,group...]	include tests from these groups
-    -x group[,group...]	exclude tests from these groups
-    NNN			include test NNN
-    NNN-NNN		include test range (eg. 012-021)
+    -g group[,group...]        include tests from these groups
+    -x group[,group...]        exclude tests from these groups
+    NNN                        include test NNN
+    NNN-NNN                include test range (eg. 012-021)
 '
-	    exit 0
-	    ;;
-
-	-raw)
-	    IMGFMT=raw
-	    xpand=false
-	    ;;
-
-	-cow)
-	    IMGFMT=cow
-	    xpand=false
-	    ;;
-
-	-qcow)
-	    IMGFMT=qcow
-	    xpand=false
-	    ;;
-
-	-qcow2)
-	    IMGFMT=qcow2
-	    xpand=false
-	    ;;
-
-	-qed)
-	    IMGFMT=qed
-	    xpand=false
-	    ;;
-
-	-vdi)
-	    IMGFMT=vdi
-	    xpand=false
-	    ;;
-
-	-vmdk)
-	    IMGFMT=vmdk
-	    xpand=false
-	    ;;
-
-	-vpc)
-	    IMGFMT=vpc
-	    xpand=false
-	    ;;
-
-	-rbd)
-	    IMGPROTO=rbd
-	    xpand=false
-	    ;;
-	-sheepdog)
-	    IMGPROTO=sheepdog
-	    xpand=false
-	    ;;
-	-nbd)
-	    IMGPROTO=nbd
-	    xpand=false
-	    ;;
+            exit 0
+            ;;
+
+        -raw)
+            IMGFMT=raw
+            xpand=false
+            ;;
+
+        -cow)
+            IMGFMT=cow
+            xpand=false
+            ;;
+
+        -qcow)
+            IMGFMT=qcow
+            xpand=false
+            ;;
+
+        -qcow2)
+            IMGFMT=qcow2
+            xpand=false
+            ;;
+
+        -qed)
+            IMGFMT=qed
+            xpand=false
+            ;;
+
+        -vdi)
+            IMGFMT=vdi
+            xpand=false
+            ;;
+
+        -vmdk)
+            IMGFMT=vmdk
+            xpand=false
+            ;;
+
+        -vpc)
+            IMGFMT=vpc
+            xpand=false
+            ;;
+
+        -rbd)
+            IMGPROTO=rbd
+            xpand=false
+            ;;
+        -sheepdog)
+            IMGPROTO=sheepdog
+            xpand=false
+            ;;
+        -nbd)
+            IMGPROTO=nbd
+            xpand=false
+            ;;
         -ssh)
             IMGPROTO=ssh
             xpand=false
             ;;
-	-nocache)
-	    QEMU_IO_OPTIONS="$QEMU_IO_OPTIONS --nocache"
-	    xpand=false
-	    ;;
+        -nocache)
+            QEMU_IO_OPTIONS="$QEMU_IO_OPTIONS --nocache"
+            xpand=false
+            ;;
 
-	-misalign)
-	    QEMU_IO_OPTIONS="$QEMU_IO_OPTIONS --misalign"
-	    xpand=false
-	    ;;
+        -misalign)
+            QEMU_IO_OPTIONS="$QEMU_IO_OPTIONS --misalign"
+            xpand=false
+            ;;
 
     -valgrind)
         valgrind=true
-	    xpand=false
+            xpand=false
         ;;
 
-	-g)	# -g group ... pick from group file
-	    group=true
-	    xpand=false
-	    ;;
-
-	-xdiff)	# graphical diff mode
-	    xpand=false
-
-	    if [ ! -z "$DISPLAY" ]
-	    then
-		which xdiff >/dev/null 2>&1 && diff=xdiff
-		which gdiff >/dev/null 2>&1 && diff=gdiff
-		which tkdiff >/dev/null 2>&1 && diff=tkdiff
-		which xxdiff >/dev/null 2>&1 && diff=xxdiff
-	    fi
-	    ;;
-
-	-n)	# show me, don't do it
-	    showme=true
-	    xpand=false
-	    ;;
+        -g)        # -g group ... pick from group file
+            group=true
+            xpand=false
+            ;;
+
+        -xdiff)        # graphical diff mode
+            xpand=false
+
+            if [ ! -z "$DISPLAY" ]
+            then
+                which xdiff >/dev/null 2>&1 && diff=xdiff
+                which gdiff >/dev/null 2>&1 && diff=gdiff
+                which tkdiff >/dev/null 2>&1 && diff=tkdiff
+                which xxdiff >/dev/null 2>&1 && diff=xxdiff
+            fi
+            ;;
+
+        -n)        # show me, don't do it
+            showme=true
+            xpand=false
+            ;;
         -o)
             imgopts=true
             xpand=false
             ;;
-        -r)	# randomize test order
-	    randomize=true
-	    xpand=false
-	    ;;
-
-	-T)	# turn on timestamp output
-	    timestamp=true
-	    xpand=false
-	    ;;
-
-	-v)
-	    verbose=true
-	    xpand=false
-	    ;;
-	-x)	# -x group ... exclude from group file
-	    xgroup=true
-	    xpand=false
-	    ;;
-	'[0-9][0-9][0-9] [0-9][0-9][0-9][0-9]')
-	    echo "No tests?"
-	    status=1
-	    exit $status
-	    ;;
-
-	[0-9]*-[0-9]*)
-	    eval `echo $r | sed -e 's/^/start=/' -e 's/-/ end=/'`
-	    ;;
-
-	[0-9]*-)
-	    eval `echo $r | sed -e 's/^/start=/' -e 's/-//'`
-	    end=`echo [0-9][0-9][0-9] [0-9][0-9][0-9][0-9] | sed -e 's/\[0-9]//g' -e 's/  *$//' -e 's/.* //'`
-	    if [ -z "$end" ]
-	    then
-		echo "No tests in range \"$r\"?"
-		status=1
-		exit $status
-	    fi
-	    ;;
-
-	*)
-	    start=$r
-	    end=$r
-	    ;;
+        -r)        # randomize test order
+            randomize=true
+            xpand=false
+            ;;
+
+        -T)        # turn on timestamp output
+            timestamp=true
+            xpand=false
+            ;;
+
+        -v)
+            verbose=true
+            xpand=false
+            ;;
+        -x)        # -x group ... exclude from group file
+            xgroup=true
+            xpand=false
+            ;;
+        '[0-9][0-9][0-9] [0-9][0-9][0-9][0-9]')
+            echo "No tests?"
+            status=1
+            exit $status
+            ;;
+
+        [0-9]*-[0-9]*)
+            eval `echo $r | sed -e 's/^/start=/' -e 's/-/ end=/'`
+            ;;
+
+        [0-9]*-)
+            eval `echo $r | sed -e 's/^/start=/' -e 's/-//'`
+            end=`echo [0-9][0-9][0-9] [0-9][0-9][0-9][0-9] | sed -e 's/\[0-9]//g' -e 's/  *$//' -e 's/.* //'`
+            if [ -z "$end" ]
+            then
+                echo "No tests in range \"$r\"?"
+                status=1
+                exit $status
+            fi
+            ;;
+
+        *)
+            start=$r
+            end=$r
+            ;;
 
     esac
 
@@ -303,26 +303,26 @@ testlist options
 
     if $xpand
     then
-	have_test_arg=true
-	$AWK_PROG </dev/null '
-BEGIN	{ for (t='$start'; t<='$end'; t++) printf "%03d\n",t }' \
-	| while read id
-	do
-	    if grep -s "^$id " group >/dev/null
-	    then
-		# in group file ... OK
-		echo $id >>$tmp.list
-	    else
-		if [ -f expunged ] && $expunge && egrep "^$id([ 	]|\$)" expunged >/dev/null
-		then
-		    # expunged ... will be reported, but not run, later
-		    echo $id >>$tmp.list
-		else
-		    # oops
-		    echo "$id - unknown test, ignored"
-		fi
-	    fi
-	done
+        have_test_arg=true
+        $AWK_PROG </dev/null '
+BEGIN        { for (t='$start'; t<='$end'; t++) printf "%03d\n",t }' \
+        | while read id
+        do
+            if grep -s "^$id " group >/dev/null
+            then
+                # in group file ... OK
+                echo $id >>$tmp.list
+            else
+                if [ -f expunged ] && $expunge && egrep "^$id([         ]|\$)" expunged >/dev/null
+                then
+                    # expunged ... will be reported, but not run, later
+                    echo $id >>$tmp.list
+                else
+                    # oops
+                    echo "$id - unknown test, ignored"
+                fi
+            fi
+        done
     fi
 
 done
@@ -337,11 +337,11 @@ then
 else
     if $have_test_arg
     then
-	# had test numbers, but none in group file ... do nothing
-	touch $tmp.list
+        # had test numbers, but none in group file ... do nothing
+        touch $tmp.list
     else
-	# no test numbers, do everything from group file
-	sed -n -e '/^[0-9][0-9][0-9]*/s/[ 	].*//p' <group >$tmp.list
+        # no test numbers, do everything from group file
+        sed -n -e '/^[0-9][0-9][0-9]*/s/[         ].*//p' <group >$tmp.list
     fi
 fi
 
diff --git a/tests/qemu-iotests/common.config b/tests/qemu-iotests/common.config
index 08a3f100b8..d794e624e7 100644
--- a/tests/qemu-iotests/common.config
+++ b/tests/qemu-iotests/common.config
@@ -19,7 +19,7 @@
 # setup and check for config parameters, and in particular
 #
 # EMAIL -           email of the script runner.
-# TEST_DIR -        scratch test directory 
+# TEST_DIR -        scratch test directory
 #
 # - These can be added to $HOST_CONFIG_DIR (witch default to ./config)
 #   below or a separate local configuration file can be used (using
@@ -111,11 +111,11 @@ export QEMU_NBD=$QEMU_NBD_PROG
 [ -f /etc/qemu-iotest.config ]       && . /etc/qemu-iotest.config
 
 if [ -z "$TEST_DIR" ]; then
-	TEST_DIR=`pwd`/scratch
+        TEST_DIR=`pwd`/scratch
 fi
 
 if [ ! -e "$TEST_DIR" ]; then
-	mkdir "$TEST_DIR"
+        mkdir "$TEST_DIR"
 fi
 
 if [ ! -d "$TEST_DIR" ]; then
diff --git a/tests/qemu-iotests/common.filter b/tests/qemu-iotests/common.filter
index 97a31ff0b1..5dfda63e59 100644
--- a/tests/qemu-iotests/common.filter
+++ b/tests/qemu-iotests/common.filter
@@ -25,19 +25,19 @@
 # Outputs suitable message to stdout if it's not in range.
 #
 # A verbose option, -v, may be used as the LAST argument
-# 
-# e.g. 
+#
+# e.g.
 # foo: 0.0298 = 0.03 +/- 5%
-# _within_tolerance "foo" 0.0298 0.03 5%  
-# 
+# _within_tolerance "foo" 0.0298 0.03 5%
+#
 # foo: 0.0298 = 0.03 +/- 0.01
 # _within_tolerance "foo" 0.0298 0.03 0.01
 #
 # foo: 0.0298 = 0.03 -0.01 +0.002
 # _within_tolerance "foo" 0.0298 0.03 0.01 0.002
 #
-# foo: verbose output of 0.0298 = 0.03 +/- 5% 
-# _within_tolerance "foo" 0.0298 0.03 5% -v 
+# foo: verbose output of 0.0298 = 0.03 +/- 5%
+# _within_tolerance "foo" 0.0298 0.03 5% -v
 _within_tolerance()
 {
   _name=$1
@@ -51,10 +51,10 @@ _within_tolerance()
   # maxtol arg is optional
   # verbose arg is optional
   if [ $# -ge 5 ]
-  then 
+  then
      if [ "$5" = "-v" ]
      then
-	_verbose=1
+        _verbose=1
      else
         _maxtol=$5
      fi
@@ -65,18 +65,18 @@ _within_tolerance()
   fi
 
   # find min with or without %
-  _mintolerance=`echo $_mintol | sed -e 's/%//'` 
+  _mintolerance=`echo $_mintol | sed -e 's/%//'`
   if [ $_mintol = $_mintolerance ]
-  then 
+  then
       _min=`echo "scale=5; $_correct_val-$_mintolerance" | bc`
   else
       _min=`echo "scale=5; $_correct_val-$_mintolerance*0.01*$_correct_val" | bc`
   fi
 
   # find max with or without %
-  _maxtolerance=`echo $_maxtol | sed -e 's/%//'` 
+  _maxtolerance=`echo $_maxtol | sed -e 's/%//'`
   if [ $_maxtol = $_maxtolerance ]
-  then 
+  then
       _max=`echo "scale=5; $_correct_val+$_maxtolerance" | bc`
   else
       _max=`echo "scale=5; $_correct_val+$_maxtolerance*0.01*$_correct_val" | bc`
@@ -88,7 +88,7 @@ _within_tolerance()
   cat <<EOF >$tmp.bc.1
 scale=5;
 if ($_min <= $_given_val) 1;
-if ($_min > $_given_val) 0; 
+if ($_min > $_given_val) 0;
 EOF
 
   cat <<EOF >$tmp.bc.2
@@ -102,21 +102,21 @@ EOF
 
   rm -f $tmp.bc.[12]
 
-  _in_range=`expr $_above_min \& $_below_max` 
+  _in_range=`expr $_above_min \& $_below_max`
 
   # fix up min, max precision for output
   # can vary for 5.3, 6.2
   _min=`echo $_min | sed -e 's/0*$//'` # get rid of trailling zeroes
   _max=`echo $_max | sed -e 's/0*$//'` # get rid of trailling zeroes
 
-  if [ $_in_range -eq 1 ] 
+  if [ $_in_range -eq 1 ]
   then
-	[ $_verbose -eq 1 ] && echo $_name is in range
-	return 0
+        [ $_verbose -eq 1 ] && echo $_name is in range
+        return 0
   else
-	[ $_verbose -eq 1 ] && echo $_name has value of $_given_val
-	[ $_verbose -eq 1 ] && echo $_name is NOT in range $_min .. $_max	
-	return 1
+        [ $_verbose -eq 1 ] && echo $_name has value of $_given_val
+        [ $_verbose -eq 1 ] && echo $_name is NOT in range $_min .. $_max
+        return 1
   fi
 }
 
@@ -125,7 +125,7 @@ EOF
 _filter_date()
 {
     sed \
-	-e 's/[A-Z][a-z][a-z] [A-z][a-z][a-z]  *[0-9][0-9]* [0-9][0-9]:[0-9][0-9]:[0-9][0-9] [0-9][0-9][0-9][0-9]$/DATE/'
+        -e 's/[A-Z][a-z][a-z] [A-z][a-z][a-z]  *[0-9][0-9]* [0-9][0-9]:[0-9][0-9]:[0-9][0-9] [0-9][0-9][0-9][0-9]$/DATE/'
 }
 
 # replace occurrences of the actual TEST_DIR value with TEST_DIR
diff --git a/tests/qemu-iotests/common.pattern b/tests/qemu-iotests/common.pattern
index 85a40eecc0..00e0f605fd 100644
--- a/tests/qemu-iotests/common.pattern
+++ b/tests/qemu-iotests/common.pattern
@@ -106,8 +106,8 @@ function io_test2() {
     local num=$3
 
     # Pattern (repeat after 9 clusters):
-    #	used - used - free - used - compressed - compressed -
-    #	free - free - compressed
+    #        used - used - free - used - compressed - compressed -
+    #        free - free - compressed
 
     # Write the clusters to be compressed
     echo === Clusters to be compressed [1]
diff --git a/tests/qemu-iotests/common.rc b/tests/qemu-iotests/common.rc
index 5e077c3573..88fecf7870 100644
--- a/tests/qemu-iotests/common.rc
+++ b/tests/qemu-iotests/common.rc
@@ -20,17 +20,17 @@
 dd()
 {
    if [ "$HOSTOS" == "Linux" ]
-   then	
-	command dd --help | grep noxfer > /dev/null 2>&1
-	
-	if [ "$?" -eq 0 ]
-	    then
-		command dd status=noxfer $@
-	    else
-		command dd $@
-    	fi
+   then
+        command dd --help | grep noxfer > /dev/null 2>&1
+
+        if [ "$?" -eq 0 ]
+            then
+                command dd status=noxfer $@
+            else
+                command dd $@
+            fi
    else
-	command dd $@
+        command dd $@
    fi
 }
 
@@ -193,8 +193,8 @@ _get_pids_by_name()
 {
     if [ $# -ne 1 ]
     then
-	echo "Usage: _get_pids_by_name process-name" 1>&2
-	exit 1
+        echo "Usage: _get_pids_by_name process-name" 1>&2
+        exit 1
     fi
 
     # Algorithm ... all ps(1) variants have a time of the form MM:SS or
@@ -206,12 +206,12 @@ _get_pids_by_name()
 
     ps $PS_ALL_FLAGS \
     | sed -n \
-	-e 's/$/ /' \
-	-e 's/[ 	][ 	]*/ /g' \
-	-e 's/^ //' \
-	-e 's/^[^ ]* //' \
-	-e "/[0-9]:[0-9][0-9]  *[^ ]*\/$1 /s/ .*//p" \
-	-e "/[0-9]:[0-9][0-9]  *$1 /s/ .*//p"
+        -e 's/$/ /' \
+        -e 's/[         ][         ]*/ /g' \
+        -e 's/^ //' \
+        -e 's/^[^ ]* //' \
+        -e "/[0-9]:[0-9][0-9]  *[^ ]*\/$1 /s/ .*//p" \
+        -e "/[0-9]:[0-9][0-9]  *$1 /s/ .*//p"
 }
 
 # fqdn for localhost
@@ -229,8 +229,8 @@ _need_to_be_root()
     id=`id | $SED_PROG -e 's/(.*//' -e 's/.*=//'`
     if [ "$id" -ne 0 ]
     then
-	echo "Arrgh ... you need to be root (not uid=$id) to run this test"
-	exit 1
+        echo "Arrgh ... you need to be root (not uid=$id) to run this test"
+        exit 1
     fi
 }
 
@@ -248,33 +248,33 @@ _need_to_be_root()
 _do()
 {
     if [ $# -eq 1 ]; then
-	_cmd=$1
+        _cmd=$1
     elif [ $# -eq 2 ]; then
-	_note=$1
-	_cmd=$2
-	echo -n "$_note... "
+        _note=$1
+        _cmd=$2
+        echo -n "$_note... "
     else
-	echo "Usage: _do [note] cmd" 1>&2
-	status=1; exit
+        echo "Usage: _do [note] cmd" 1>&2
+        status=1; exit
     fi
 
     (eval "echo '---' \"$_cmd\"") >>$here/$seq.full
     (eval "$_cmd") >$tmp._out 2>&1; ret=$?
     cat $tmp._out >>$here/$seq.full
     if [ $# -eq 2 ]; then
-	if [ $ret -eq 0 ]; then
-	    echo "done"
-	else
-	    echo "fail"
-	fi
+        if [ $ret -eq 0 ]; then
+            echo "done"
+        else
+            echo "fail"
+        fi
     fi
     if [ $ret -ne 0  ] \
-	&& [ "$_do_die_on_error" = "always" \
-	    -o \( $# -eq 2 -a "$_do_die_on_error" = "message_only" \) ]
+        && [ "$_do_die_on_error" = "always" \
+            -o \( $# -eq 2 -a "$_do_die_on_error" = "message_only" \) ]
     then
-	[ $# -ne 2 ] && echo
-	eval "echo \"$_cmd\" failed \(returned $ret\): see $seq.full"
-	status=1; exit
+        [ $# -ne 2 ] && echo
+        eval "echo \"$_cmd\" failed \(returned $ret\): see $seq.full"
+        status=1; exit
     fi
 
     return $ret
@@ -305,9 +305,9 @@ _fail()
 _supported_fmt()
 {
     for f; do
-	if [ "$f" = "$IMGFMT" -o "$f" = "generic" ]; then
-	    return
-	fi
+        if [ "$f" = "$IMGFMT" -o "$f" = "generic" ]; then
+            return
+        fi
     done
 
     _notrun "not suitable for this image format: $IMGFMT"
@@ -318,9 +318,9 @@ _supported_fmt()
 _supported_proto()
 {
     for f; do
-	if [ "$f" = "$IMGPROTO" -o "$f" = "generic" ]; then
-	    return
-	fi
+        if [ "$f" = "$IMGPROTO" -o "$f" = "generic" ]; then
+            return
+        fi
     done
 
     _notrun "not suitable for this image protocol: $IMGPROTO"
@@ -332,10 +332,10 @@ _supported_os()
 {
     for h
     do
-	if [ "$h" = "$HOSTOS" ]
-	then
-	    return
-	fi
+        if [ "$h" = "$HOSTOS" ]
+        then
+            return
+        fi
     done
 
     _notrun "not suitable for this OS: $HOSTOS"