# minimum log size.
local XFS_MIN_LOG_BYTES=2097152
- _scratch_do_mkfs "$mkfs_cmd" "cat" $* -N -l size=$XFS_MIN_LOG_BYTES \
+ # Try formatting the filesystem with all the options given and the
+ # minimum log size. We hope either that this succeeds or that mkfs
+ # tells us the required minimum log size for the feature set.
+ #
+ # We cannot use _scratch_do_mkfs because it will retry /any/ failed
+ # mkfs with MKFS_OPTIONS removed even if the only "failure" was that
+ # the log was too small.
+ local extra_mkfs_options="$* -N -l size=$XFS_MIN_LOG_BYTES"
+ eval "$mkfs_cmd $MKFS_OPTIONS $extra_mkfs_options $SCRATCH_DEV" \
2>$tmp.mkfserr 1>$tmp.mkfsstd
local mkfs_status=$?
+ # If the format fails for a reason other than the log being too small,
+ # try again without MKFS_OPTIONS because that's what _scratch_do_mkfs
+ # will do if we pass in the log size option.
+ if [ $mkfs_status -ne 0 ] &&
+ ! grep -q 'log size.*too small, minimum' $tmp.mkfserr; then
+ eval "$mkfs_cmd $extra_mkfs_options $SCRATCH_DEV" \
+ 2>$tmp.mkfserr 1>$tmp.mkfsstd
+ mkfs_status=$?
+ fi
+
# mkfs suceeded, so we must pick out the log block size to do the
# unit conversion
if [ $mkfs_status -eq 0 ]; then
- local blksz="$(grep '^log.*bsize' $tmp.mkfsstd | \
+ blksz="$(grep '^log.*bsize' $tmp.mkfsstd | \
sed -e 's/log.*bsize=\([0-9]*\).*$/\1/g')"
echo $((XFS_MIN_LOG_BYTES / blksz))
+ rm -f $tmp.mkfsstd $tmp.mkfserr
return
fi
if grep -q 'minimum size is' $tmp.mkfserr; then
grep 'minimum size is' $tmp.mkfserr | \
sed -e 's/^.*minimum size is \([0-9]*\) blocks/\1/g'
+ rm -f $tmp.mkfsstd $tmp.mkfserr
return
fi
echo "Cannot determine minimum log size" >&2
cat $tmp.mkfsstd >> $seqres.full
cat $tmp.mkfserr >> $seqres.full
+ rm -f $tmp.mkfsstd $tmp.mkfserr
}
_scratch_mkfs_xfs()
$XFS_DB_PROG "$@" $(_scratch_xfs_db_options)
}
+_test_xfs_db_options()
+{
+ TEST_OPTIONS=""
+ [ "$USE_EXTERNAL" = yes -a ! -z "$TEST_LOGDEV" ] && \
+ TEST_OPTIONS="-l$TEST_LOGDEV"
+ echo $TEST_OPTIONS $* $TEST_DEV
+}
+
+_test_xfs_db()
+{
+ $XFS_DB_PROG "$@" $(_test_xfs_db_options)
+}
+
+_scratch_xfs_admin()
+{
+ local options=("$SCRATCH_DEV")
+ [ "$USE_EXTERNAL" = yes -a ! -z "$SCRATCH_LOGDEV" ] && \
+ options+=("$SCRATCH_LOGDEV")
+ $XFS_ADMIN_PROG "$@" "${options[@]}"
+}
+
_scratch_xfs_logprint()
{
SCRATCH_OPTIONS=""
fi
echo "MOUNT_OPTIONS = $MOUNT_OPTIONS" >>$seqres.full
}
+
+# Find AG count of mounted filesystem
+_xfs_mount_agcount()
+{
+ $XFS_INFO_PROG "$1" | grep agcount= | sed -e 's/^.*agcount=\([0-9]*\),.*$/\1/g'
+}
+
+# Wipe the superblock of each XFS AGs
+_try_wipe_scratch_xfs()
+{
+ local num='^[0-9]+$'
+ local agcount
+ local agsize
+ local dbsize
+
+ # Try to wipe each SB if there's an existed XFS
+ agcount=`_scratch_xfs_get_sb_field agcount 2>/dev/null`
+ agsize=`_scratch_xfs_get_sb_field agblocks 2>/dev/null`
+ dbsize=`_scratch_xfs_get_sb_field blocksize 2>/dev/null`
+ if [[ $agcount =~ $num && $agsize =~ $num && $dbsize =~ $num ]];then
+ for ((i = 0; i < agcount; i++)); do
+ $XFS_IO_PROG -c "pwrite $((i * dbsize * agsize)) $dbsize" \
+ $SCRATCH_DEV >/dev/null;
+ done
+ fi
+
+ # Try to wipe each SB by default mkfs.xfs geometry
+ local tmp=`mktemp -u`
+ unset agcount agsize dbsize
+ _scratch_mkfs_xfs -N 2>/dev/null | perl -ne '
+ if (/^meta-data=.*\s+agcount=(\d+), agsize=(\d+) blks/) {
+ print STDOUT "agcount=$1\nagsize=$2\n";
+ }
+ if (/^data\s+=\s+bsize=(\d+)\s/) {
+ print STDOUT "dbsize=$1\n";
+ }' > $tmp.mkfs
+
+ . $tmp.mkfs
+ if [[ $agcount =~ $num && $agsize =~ $num && $dbsize =~ $num ]];then
+ for ((i = 0; i < agcount; i++)); do
+ $XFS_IO_PROG -c "pwrite $((i * dbsize * agsize)) $dbsize" \
+ $SCRATCH_DEV >/dev/null;
+ done
+ fi
+ rm -f $tmp.mkfs
+}
+
+_require_xfs_copy()
+{
+ [ -n "$XFS_COPY_PROG" ] || _notrun "xfs_copy binary not yet installed"
+ [ "$USE_EXTERNAL" = yes ] && \
+ _notrun "Cannot xfs_copy with external devices"
+}