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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. 173
#
# 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 number of streams, multiple I/O per file, 120s timeout
# Because each stream spills over an AG, the stream count needs to
# be less than or equal to half the AG count so we don't run out of AGs.
echo 12000 > /proc/sys/fs/xfs/filestream_centisecs
_test_streams 64 16 33 8 2 1 1 fail
_test_streams 64 16 32 8 2 0 1
_test_streams 64 16 33 8 2 0 0 fail
_test_streams 64 16 32 8 2 1 0

status=0
exit