4 # This test uses xfs_io to unreserve space in a file at various different
5 # offsets and sizes. The script then verifies the holes are in the correct
9 #-----------------------------------------------------------------------
10 # Copyright (c) 2008 Silicon Graphics, Inc. All Rights Reserved.
11 #-----------------------------------------------------------------------
16 #This is the list of holes to punch in the file limited to $filesize
17 #NOTE holes cannot overlap or this script will fail.
18 holes="4096:4096 303104:4096 1048576:512 1051648:8192 1065984:8192 1085440:7168"
21 #Name of file to perform the test on
25 echo "QA output created by $seq"
29 status=0 # success is the default!
32 # get standard environment, filters and checks
36 # real QA test starts here
41 _scratch_mkfs_xfs >/dev/null 2>&1
43 fsblocksize=`xfs_info $SCRATCH_MNT|sed 's/=/ /g'|awk '/^data / { print $3 }'`
45 dd if=/dev/zero of=$SCRATCH_MNT/$filename bs=1024k count=10 >> $seq.full 2>&1
47 # run DMAPI test using verbose output
48 echo Punching holes in file
49 echo Punching holes in file >> $seq.full
51 echo xfs_io -c "unresvsp `echo $i |$SED_PROG 's/:/ /g'`" $SCRATCH_MNT/$filename >> $seq.full
52 xfs_io -c "unresvsp `echo $i |$SED_PROG 's/:/ /g'`" $SCRATCH_MNT/$filename ;
55 echo Verifying holes are in the correct spots:
57 xfs_bmap=`xfs_bmap $SCRATCH_MNT/$filename`
58 xfs_bmap $SCRATCH_MNT/$filename >> $seq.full
60 holeStart=$[`echo $i|$SED_PROG 's/:/ /g'|awk '{print $1}'`];
61 holeEnd=$[`echo $i|$SED_PROG 's/:/ /g'|awk '{print $2}'`];
63 #Round hole size down to a multiple of $fsblocksize
64 holeEnd=$[(($holeStart+$holeEnd)/$fsblocksize)*$fsblocksize]
66 #Round hole start up to a multiple of $fsblocksize
67 if [ $[$holeStart % $fsblocksize] -gt 0 ] ; then
68 holeStart=$[($holeStart/$fsblocksize +1) * $fsblocksize]
70 #xfs_bmap prints holes in the following format
72 bmap="\[$[$holeStart/512]..$[($holeEnd/512) -1]\]";
73 echo $bmap >> $seq.full
74 if [ $holeEnd == $holeStart ] ; then
75 continue #there is no hole
77 if ! echo $xfs_bmap|grep -q $bmap; then
78 echo Offset $holeStart to $holeEnd basic blocks failed;
82 if [ $status == 0 ] ; then
83 echo Test $seq Passed.