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Add CI stat/create/unlink test for multiple directory forms
Merge of master-melb:xfs-cmds:31348a by kenmcd.

  Do CI stat/create/unlink test for multiple directory forms

#! /bin/sh
# FS QA Test No. 188
#
# drive the src/nametest program for CI mode
# which does a heap of open(create)/unlink/stat
# and checks that error codes make sense with its
# memory of the files created.
#
# All filenames generated map to the same hash
# value in XFS stressing leaf block traversal in
# node form directories as well.
#
#-----------------------------------------------------------------------
# Copyright (c) 2008 Silicon Graphics, Inc.  All Rights Reserved.
#-----------------------------------------------------------------------
#
# creator
owner=bnaujok@sgi.com

seq=`basename $0`
echo "QA output created by $seq"

here=`pwd`
tmp=/tmp/$$
status=0	# success is the default!
trap "_cleanup; exit \$status" 0 1 2 3 15

_cleanup()
{
    cd /
    rm -f $tmp.*
    rm -rf $SCRATCH_MNT/$seq
}

# get standard environment, filters and checks
. ./common.rc
. ./common.filter

# real QA test starts here
_supported_fs xfs
_supported_os IRIX Linux

if [ $XFSPROGS_VERSION -lt 21000 ]; then
    _notrun "this test requires case-insensitive support"
fi

_require_scratch
rm -f $seq.full

_scratch_mkfs -n version=ci >/dev/null 2>&1
_scratch_mount

status=1 # default failure
sourcefile=$tmp.ci_nametest
seed=1

# need to create an input file with a list of filenames on each line
# do number of files for testing to try each directory format

# start with small number of files and increase by 4x for each run
max_files=6144
num_files=6

mkdir $SCRATCH_MNT/$seq
while [ $num_files -le $max_files ]; do
  iterations=`expr $num_files \* 10`
  $here/src/genhashnames $SCRATCH_MNT/$seq/$num_files $num_files $seed >>$sourcefile
  mkdir $SCRATCH_MNT/$seq/$num_files
  $here/src/nametest -l $sourcefile -s $seed -i $iterations -z -c
  num_files=`expr $num_files \* 4`
done

# success, all done
status=0
exit