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QA tests for filestreams
Merge of master-melb:xfs-cmds:29011a by kenmcd.

  QA tests for filestreams

#! /bin/sh
# FSQA Test No. 171
#
# Check the filestreams allocator is doing its job.
# Multi-file data streams should always write into seperate AGs.
#
#-----------------------------------------------------------------------
#  Copyright (c) 2007 Silicon Graphics, Inc.  All Rights Reserved.
#-----------------------------------------------------------------------
#
# creator
owner=dgc@sgi.com

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

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

_cleanup()
{
        cd /
        rm -rf ${SCRATCH_MNT}/stream*
}

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

# real QA test starts here
_supported_fs xfs
_supported_os IRIX Linux

_require_scratch

. ./common.filestreams

# test large numbers of files, single I/O per file, 120s timeout
# Get close to filesystem full.
# 128 = ENOSPC
# 120 = 93.75% full, gets repeatable failures
# 112 = 87.5% full, should reliably succeed but doesn't *FIXME*
# 100 = 78.1% full, should reliably succeed
echo 12000 > /proc/sys/fs/xfs/filestream_centisecs
_test_streams 64 16 8 100 1 1 0
_test_streams 64 16 8 100 1 1 1
_test_streams 64 16 8 100 1 0 0
_test_streams 64 16 8 100 1 0 1

status=0
exit