stat -c %s "$1"
}
+# Get hugepagesize in bytes
+_get_hugepagesize()
+{
+ local hugepgsz=$(awk '/Hugepagesize/ {print $2}' /proc/meminfo)
+ # Call _notrun if $hugepgsz is not a number
+ echo "$hugepgsz" | egrep -q ^[0-9]+$ || \
+ _notrun "Cannot get the value of Hugepagesize"
+ echo $((hugepgsz * 1024))
+}
+
_mount()
{
$MOUNT_PROG `_mount_ops_filter $*`
_scratch_mkfs_ext4()
{
local mkfs_cmd="$MKFS_EXT4_PROG -F"
- local mkfs_filter="grep -v -e ^Warning: -e \"^mke2fs \""
+ local mkfs_filter="grep -v -e ^Warning: -e \"^mke2fs \" | grep -v \"^$\""
local tmp=`mktemp -u`
local mkfs_status
case $FSTYP in
xfs)
- MKFS_OPTIONS+=" -b size=$blocksize, -d su=$sunit_bytes,sw=$swidth_mult"
+ if echo "$MKFS_OPTIONS" | egrep -q "b?size="; then
+ MKFS_OPTIONS=$(echo "$MKFS_OPTIONS" | sed -r "s/(b?size=)[0-9]+/\1$blocksize/")
+ else
+ MKFS_OPTIONS+=" -b size=$blocksize"
+ fi
+
+ if echo "$MKFS_OPTIONS" | egrep -q "(su|sunit|sw|swidth)="; then
+ MKFS_OPTIONS=$(echo "$MKFS_OPTIONS" | sed -r \
+ -e "s/(su|sunit)=[0-9kmg]+/su=$sunit_bytes/" \
+ -e "s/(sw|swidth)=[0-9kmg]+/sw=$swidth_mult/")
+ else
+ MKFS_OPTIONS+=" -d su=$sunit_bytes,sw=$swidth_mult"
+ fi
;;
ext4|ext4dev)
MKFS_OPTIONS+=" -b $blocksize -E stride=$sunit_blocks,stripe_width=$swidth_blocks"
_notrun "xfs_io $command $param_checked not supported on $FSTYP"
echo $testio | grep -q "Function not implemented" && \
_notrun "xfs_io $command $param_checked support is missing (missing syscall?)"
+ echo $testio | grep -q "unknown flag" && \
+ _notrun "xfs_io $command $param_checked support is missing (unknown flag)"
[ -n "$param" ] || return
_require_scratch
_require_command "$MKSWAP_PROG" "mkswap"
- _scratch_mkfs >/dev/null
+ _scratch_mkfs >/dev/null 2>&1
# With mounting SELinux context(e.g. system_u:object_r:root_t:s0),
# standard mkswap tried to reset the type of default context to
_scratch_unmount
}
-# Does dax mount option work on this dev/fs?
-_require_scratch_dax()
+_check_s_dax()
+{
+ local target=$1
+ local exp_s_dax=$2
+
+ local attributes=$($XFS_IO_PROG -c 'statx -r' $target | awk '/stat.attributes / { print $3 }')
+ if [ $exp_s_dax -eq 0 ]; then
+ (( attributes & 0x2000 )) && echo "$target has unexpected S_DAX flag"
+ else
+ (( attributes & 0x2000 )) || echo "$target doen't have expected S_DAX flag"
+ fi
+}
+
+_check_xflag()
+{
+ local target=$1
+ local exp_xflag=$2
+
+ if [ $exp_xflag -eq 0 ]; then
+ _test_inode_flag dax $target && echo "$target has unexpected FS_XFLAG_DAX flag"
+ else
+ _test_inode_flag dax $target || echo "$target doen't have expected FS_XFLAG_DAX flag"
+ fi
+}
+
+# Check if dax mount options are supported
+#
+# $1 can be either 'dax=always' or 'dax'
+#
+# dax=always
+# Check for the new dax options (dax=inode, dax=always or dax=never)
+# by passing "dax=always".
+# dax
+# Check for the old dax or new dax=always by passing "dax".
+#
+# This only accepts 'dax=always' because dax=always, dax=inode and
+# dax=never are always supported together. So if the other options are
+# required checking for 'dax=always' indicates support for the other 2.
+#
+# Return 0 if filesystem/device supports the specified dax option.
+# Return 1 if mount fails with the specified dax option.
+# Return 2 if /proc/mounts shows wrong dax option.
+_check_scratch_dax_mountopt()
{
+ local option=$1
+
_require_scratch
_scratch_mkfs > /dev/null 2>&1
- _try_scratch_mount -o dax || \
- _notrun "mount $SCRATCH_DEV with dax failed"
- # Check options to be sure. XFS ignores dax option
- # and goes on if dev underneath does not support dax.
- _fs_options $SCRATCH_DEV | grep -qw "dax" || \
- _notrun "$SCRATCH_DEV $FSTYP does not support -o dax"
- _scratch_unmount
+
+ _try_scratch_mount "-o $option" > /dev/null 2>&1 || return 1
+
+ if _fs_options $SCRATCH_DEV | egrep -q "dax(=always|,|$)"; then
+ _scratch_unmount
+ return 0
+ else
+ _scratch_unmount
+ return 2
+ fi
+}
+
+# Throw notrun if _check_scratch_dax_mountopt() returns a non-zero value.
+_require_scratch_dax_mountopt()
+{
+ local mountopt=$1
+
+ _check_scratch_dax_mountopt "$mountopt"
+ local res=$?
+
+ [ $res -eq 1 ] && _notrun "mount $SCRATCH_DEV with $mountopt failed"
+ [ $res -eq 2 ] && _notrun "$SCRATCH_DEV $FSTYP does not support -o $mountopt"
+}
+
+_require_dax_iflag()
+{
+ _require_xfs_io_command "chattr" "x"
}
# Does norecovery support by this fs?
$ACCTON_PROG off >> $seqres.full
}
+_require_sysctl_variable()
+{
+ local name=$1
+ sysctl $name &>/dev/null || _notrun "$name sysctl unavailable"
+}
+
+_require_mknod()
+{
+ mknod $TEST_DIR/$seq.null c 1 3 \
+ || _notrun "$FSTYP does not support mknod/mkfifo"
+ rm -f $TEST_DIR/$seq.null
+}
+
init_rc
################################################################################