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#!/bin/bash
#
# Simplified xfstests generic/273
#
# Fails with
#
# cp: cannot create regular file 'sub_49/file_773': No such file or directory
#
# If you cannot reproduce, try running this in the background:
#
# while sleep 0.1 ; do echo 3 > /proc/sys/vm/drop_caches ; done"
#
# See https://github.com/rfjakob/gocryptfs/issues/322 for details.
if [[ -z $TMPDIR ]]; then
TMPDIR=/var/tmp
export TMPDIR
fi
cd "$(dirname "$0")"
MYNAME=$(basename $0)
source ../fuse-unmount.bash
# Set the GOPATH variable to the default if it is empty
GOPATH=$(go env GOPATH)
# Backing directory
DIR=$(mktemp -d $TMPDIR/$MYNAME.XXX)
$GOPATH/bin/gocryptfs -q -init -extpass "echo test" -scryptn=10 $DIR
# Mountpoint
MNT="$DIR.mnt"
mkdir $MNT
$GOPATH/bin/gocryptfs -q -extpass "echo test" -nosyslog $DIR $MNT
echo "Mounted gocryptfs $DIR at $MNT"
# Cleanup trap
trap "cd / ; fuse-unmount -z $MNT ; rm -rf $DIR $MNT" EXIT
cd $MNT
SECONDS=0
echo "creating files with dd"
mkdir -p origin
for i in $(seq 1 778) ; do
dd if=/dev/zero of=origin/file_$i bs=8192 count=1 status=none
done
# Perform the shell expansion only once and store the list
ORIGIN_FILES=origin/*
echo -n "cp starting: "
for i in $(seq 1 100) ; do
echo -n "$i "
(mkdir sub_$i && cp $ORIGIN_FILES sub_$i ; echo -n "$i ") &
done
echo
echo -n "cp finished: "
wait
echo
echo "Runtime was $SECONDS seconds"
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