local opts="$1"
if test -n "$opts"; then
- mount -o "remount,$opts" $SCRATCH_MNT
+ _try_scratch_mount "-o remount,$opts"
fi
}
echo 0 >/sys/fs/ext4/$sdev/extent_max_zeroout_kb
}
+# The default behavior of SEEK_HOLE is to always return EOF.
+# Filesystems that implement non-default behavior return the offset
+# of holes with SEEK_HOLE. There is no way to query the filesystem
+# of which behavior it is implementing.
+# We use this whitelist FSTYP, to set expectation and avoid silent
+# regression of filesystem seek hole behavior.
+#
+# Return 0 for true
+_fstyp_has_non_default_seek_data_hole()
+{
+ if [ -z $1 ]; then
+ local fstyp=$FSTYP
+ else
+ local fstyp=$1
+ fi
+
+ case "$fstyp" in
+ btrfs|ext4|xfs|ceph|cifs|f2fs|gfs2|nfs*|ocfs2|tmpfs)
+ return 0
+ ;;
+ overlay)
+ if [ ! -z $OVL_BASE_FSTYP -a $OVL_BASE_FSTYP != "overlay" ]; then
+ _fstyp_has_non_default_seek_data_hole $OVL_BASE_FSTYP
+ return $?
+ else
+ # Assume that base fs has default behavior
+ return 1
+ fi
+ ;;
+ *)
+ # by default fstyp has default SEEK_HOLE behavior;
+ # if your fs has non-default behavior, add it to whitelist above!
+ return 1
+ ;;
+ esac
+}
+
+# Run seek sanity test with predefined expectation for SEEK_DATA/HOLE behavior
+_run_seek_sanity_test()
+{
+ local testseekargs
+ if _fstyp_has_non_default_seek_data_hole; then
+ testseekargs+="-f"
+ fi
+ $here/src/seek_sanity_test $testseekargs $*
+}
+
# Check if the file system supports seek_data/hole
_require_seek_data_hole()
{
done
}
-# We will check if the device is deletable
-_require_deletable_scratch_dev_pool()
-{
- local i
- local x
- for i in $SCRATCH_DEV_POOL; do
- x=`echo $i | cut -d"/" -f 3`
- if [ ! -f /sys/class/block/${x}/device/delete ]; then
- _notrun "$i is a device which is not deletable"
- fi
- done
-}
# Check that fio is present, and it is able to execute given jobfile
_require_fio()
_dmesg_since_test_start | egrep -q "$1"
}
+# Default filter for dmesg scanning.
+# Ignore lockdep complaining about its own bugginess when scanning dmesg
+# output, because we shouldn't be failing filesystem tests on account of
+# lockdep.
+_check_dmesg_filter()
+{
+ egrep -v -e "BUG: MAX_LOCKDEP_CHAIN_HLOCKS too low" \
+ -e "BUG: MAX_STACK_TRACE_ENTRIES too low"
+}
+
# check dmesg log for WARNING/Oops/etc.
_check_dmesg()
{
# default filter is a simple cat command, caller could provide a
# customized filter and pass the name through the first argument, to
# filter out intentional WARNINGs or Oopses
- local filter=${1:-cat}
+ local filter=${1:-_check_dmesg_filter}
_dmesg_since_test_start | $filter >$seqres.dmesg
egrep -q -e "kernel BUG at" \
# capture the kmemleak report
_capture_kmemleak()
{
- local kern_knob="${DEBUGFS_MNT}/kmemleak"
+ local kern_knob="$DEBUGFS_MNT/kmemleak"
local leak_file="$1"
# Tell the kernel to scan for memory leaks. Apparently the write
echo "clear" > "$kern_knob"
}
-# set up kmemleak
-_init_kmemleak()
+# Figure out if the running kernel supports kmemleak; if it does, clear out
+# anything that leaked before we even started testing. The leak checker only
+# needs to be primed like this once per ./check invocation.
+_detect_kmemleak()
{
- local kern_knob="${DEBUGFS_MNT}/kmemleak"
+ local kern_knob="$DEBUGFS_MNT/kmemleak"
+ KMEMLEAK_CHECK_FILE="/tmp/check_kmemleak"
# Since kernel v4.19-rc3, the kmemleak knob exists even if kmemleak is
# disabled, but returns EBUSY on write. So instead of relying on
# existance of writable knob file, we use a test file to indicate that
# _check_kmemleak() is enabled only if we actually managed to write to
# the knob file.
- rm -f ${RESULT_BASE}/check_kmemleak
+ rm -f "$KMEMLEAK_CHECK_FILE"
if [ ! -w "$kern_knob" ]; then
return 0
# then dump all the leaks recorded so far.
if echo "scan=off" > "$kern_knob" 2>/dev/null; then
_capture_kmemleak /dev/null
- touch ${RESULT_BASE}/check_kmemleak
+ touch "$KMEMLEAK_CHECK_FILE"
fi
}
-# check kmemleak log
+# Kick the kmemleak checker to scan for leaks. Background leak scan mode is
+# not enabled, so we must call the kernel to ask for a scan and deal with the
+# results appropriately. This we do after every test completes, whether or not
+# it was successful.
_check_kmemleak()
{
- local kern_knob="${DEBUGFS_MNT}/kmemleak"
- local leak_file="${seqres}.kmemleak"
+ local kern_knob="$DEBUGFS_MNT/kmemleak"
+ local leak_file="$seqres.kmemleak"
- if [ ! -f ${RESULT_BASE}/check_kmemleak ]; then
+ if [ ! -f "$KMEMLEAK_CHECK_FILE" ]; then
+ return 0
+ fi
+
+ # Not enabled, so discard any report of leaks found.
+ if [ "$USE_KMEMLEAK" != "yes" ]; then
+ _capture_kmemleak /dev/null
return 0
fi
esac
}
+# Get the maximum size of a file in $TEST_DIR (s_maxbytes). On ext4 this will
+# be UINT32_MAX * block_size, but other filesystems may allow up to LLONG_MAX.
+_get_max_file_size()
+{
+ local testfile=$TEST_DIR/maxfilesize.$seq
+ local l=0
+ local r=9223372036854775807 # LLONG_MAX
+
+ rm -f $testfile
+ while (( l < r )); do
+ # Use _math() to avoid signed integer overflow.
+ local m=$(_math "($l + $r + 1) / 2")
+ if $XFS_IO_PROG -f -c "truncate $m" $testfile \
+ |& grep -q 'File too large'
+ then
+ r=$(( m - 1 ))
+ else
+ l=$m
+ fi
+ done
+ echo $l
+}
+
+# get MAX_LFS_FILESIZE
+_get_max_lfs_filesize()
+{
+ case "$(getconf LONG_BIT)" in
+ "32")
+ echo $(( ($(getconf PAGE_SIZE) << ($(getconf LONG_BIT) - 1) ) - 1))
+ ;;
+ "64")
+ echo 9223372036854775807
+ ;;
+ *)
+ _fail "sizeof(long) == $(getconf LONG_BIT)?"
+ ;;
+ esac
+}
+
# The maximum filesystem label length, /not/ including terminating NULL
_label_get_max()
{
_require_btime()
{
- $XFS_IO_PROG -f $TEST_DIR/test_creation_time -c "statx -v" \
+ # Note: filesystems are not required to report btime (creation time)
+ # if the caller doesn't ask for it, so we define STATX_BTIME here and
+ # pass it in to the statx command.
+ export STATX_BTIME=0x800
+ $XFS_IO_PROG -f $TEST_DIR/test_creation_time -c "statx -m $STATX_BTIME -v" \
| grep btime >>$seqres.full 2>&1 || \
_notrun "inode creation time not supported by this filesystem"
rm -f $TEST_DIR/test_creation_time
_scratch_mkfs > /dev/null 2>&1
_scratch_mount
- $XFS_IO_PROG -f $SCRATCH_MNT/test_creation_time -c "statx -v" \
+ # Note: filesystems are not required to report btime (creation time)
+ # if the caller doesn't ask for it, so we define STATX_BTIME here and
+ # pass it in to the statx command.
+ export STATX_BTIME=0x800
+ $XFS_IO_PROG -f $SCRATCH_MNT/test_creation_time -c "statx -m $STATX_BTIME -v" \
| grep btime >>$seqres.full 2>&1 || \
_notrun "inode creation time not supported by this filesystem"
rm -f $file
}
+_try_wipe_scratch_devs()
+{
+ test -x "$WIPEFS_PROG" || return 0
+
+ for dev in $SCRATCH_DEV_POOL $SCRATCH_DEV $SCRATCH_LOGDEV $SCRATCH_RTDEV; do
+ test -b $dev && $WIPEFS_PROG -a $dev
+ done
+}
+
init_rc
################################################################################
projects / xfstests-dev.git / blobdiff