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populate: optionally fill the filesystem when populating fs

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Be a little more flexible in how much we fill up a pre-populated
filesystem.  For the field fuzzing tests, we don't need the extra
space/inode usage and therefore won't want much at all.

Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Eryu Guan <eguan@redhat.com>
Signed-off-by: Eryu Guan <eguan@redhat.com>
This commit is contained in:
Darrick J. Wong
2017-01-21 00:10:38 -08:00
committed by Eryu Guan
parent 8eaf59b7c3
commit a7f8305f9a
1 changed files with 29 additions and 8 deletions
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common/populate
+29 -8
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@@ -73,26 +73,39 @@ __populate_create_attr() {
done
}
# Fill up 60% of the remaining free space
# Fill up some percentage of the remaining free space
__populate_fill_fs() {
dir="$1"
pct="$2"
test -z "${pct}" && pct=60
SRC_SZ="$(du -ks "${SRCDIR}" | cut -f 1)"
mkdir -p "${dir}/test/1"
cp -pRdu "${dir}"/S_IFREG* "${dir}/test/1/"
SRC_SZ="$(du -ks "${dir}/test/1" | cut -f 1)"
FS_SZ="$(( $(stat -f "${dir}" -c '%a * %S') / 1024 ))"
NR="$(( (FS_SZ * ${pct} / 100) / SRC_SZ ))"
test "${NR}" -lt 1 && NR=1
seq 1 "${NR}" | while read nr; do
cp -pRdu "${SRCDIR}" "${dir}/test.${nr}" >> $seqres.full 2>&1
echo "FILL FS"
echo "src_sz $SRC_SZ fs_sz $FS_SZ nr $NR"
seq 2 "${NR}" | while read nr; do
cp -pRdu "${dir}/test/1" "${dir}/test/${nr}"
done
}
# Populate an XFS on the scratch device with (we hope) all known
# types of metadata block
_scratch_xfs_populate() {
fill=1
for arg in $@; do
case "${arg}" in
"nofill")
fill=0;;
esac
done
_scratch_mount
blksz="$(stat -f -c '%s' "${SCRATCH_MNT}")"
dblksz="$(xfs_info "${SCRATCH_MNT}" | grep naming.*bsize | sed -e 's/^.*bsize=//g' -e 's/\([0-9]*\).*$/\1/g')"
@@ -225,7 +238,7 @@ _scratch_xfs_populate() {
# Copy some real files (xfs tests, I guess...)
echo "+ real files"
__populate_fill_fs "${SCRATCH_MNT}" 5
test $fill -ne 0 && __populate_fill_fs "${SCRATCH_MNT}" 5
umount "${SCRATCH_MNT}"
}
@@ -233,6 +246,15 @@ _scratch_xfs_populate() {
# Populate an ext4 on the scratch device with (we hope) all known
# types of metadata block
_scratch_ext4_populate() {
fill=1
for arg in $@; do
case "${arg}" in
"nofill")
fill=0;;
esac
done
_scratch_mount
blksz="$(stat -f -c '%s' "${SCRATCH_MNT}")"
dblksz="${blksz}"
@@ -300,8 +322,7 @@ _scratch_ext4_populate() {
# Copy some real files (xfs tests, I guess...)
echo "+ real files"
__populate_fill_fs "${SCRATCH_MNT}"
cp -pRdu --reflink=always "${SCRATCH_MNT}/S_IFREG.FMT_ETREE" "${SCRATCH_MNT}/S_IREG.FMT_ETREE.REFLINK" 2> /dev/null
test $fill -ne 0 && __populate_fill_fs "${SCRATCH_MNT}" 5
umount "${SCRATCH_MNT}"
}