_try_scratch_mount $* || _fail "mount failed"
}
+_scratch_mount_idmapped()
+{
+ local type="$1"
+ local id="$2"
+
+ if [ "$type" = "u" ]; then
+ # This means root will be able to create files as uid %id in
+ # the underlying filesystem by going through the idmapped mount.
+ $here/src/idmapped-mounts/mount-idmapped --map-mount u:0:$id:1 \
+ --map-mount u:$id:0:1 \
+ --map-mount g:0:0:1 \
+ "$SCRATCH_MNT" "$SCRATCH_MNT" || _fail "mount-idmapped failed"
+ elif [ "$type" = "g" ]; then
+ # This means root will be able to create files as gid %id in
+ # the underlying filesystem by going through the idmapped mount.
+ $here/src/idmapped-mounts/mount-idmapped --map-mount g:0:$id:1 \
+ --map-mount g:$id:0:1 \
+ --map-mount u:0:0:1 \
+ "$SCRATCH_MNT" "$SCRATCH_MNT" || _fail "mount-idmapped failed"
+ elif [ "$type" = "b" ]; then
+ # This means root will be able to create files as uid and gid
+ # %id in the underlying filesystem by going through the idmapped mount.
+ $here/src/idmapped-mounts/mount-idmapped --map-mount b:0:$id:1 \
+ --map-mount b:$id:0:1 \
+ "$SCRATCH_MNT" "$SCRATCH_MNT" || _fail "mount-idmapped failed"
+ else
+ _fail "usage: either \"u\" (uid), \"g\" (gid), or \"b\" (uid and gid) must be specified "
+ fi
+}
+
_scratch_unmount()
{
case "$FSTYP" in
esac
}
+_scratch_umount_idmapped()
+{
+ $UMOUNT_PROG $SCRATCH_MNT
+}
+
_scratch_remount()
{
local opts="$1"
tmpfs)
if [ -z "$SCRATCH_DEV" -o ! -d "$SCRATCH_MNT" ];
then
- _notrun "this test requires a valid \$SCRATCH_MNT and unique $SCRATCH_DEV"
+ _notrun "this test requires a valid \$SCRATCH_MNT and unique \$SCRATCH_DEV"
fi
;;
ubifs)
[ $devsize -lt $1 ] && _notrun "scratch dev too small"
}
-# require scratch fs which supports >16T of filesystem size.
+# Require scratch fs which supports >16T of filesystem size.
+# _require_scratch must be called before this function is called.
_require_scratch_16T_support()
{
case $FSTYP in
fi
}
-# this test requires ext2 filesystem support
+# this test requires kernel support for a secondary filesystem
#
-_require_ext2()
+_require_extra_fs()
{
- modprobe ext2 >/dev/null 2>&1
- if grep ext2 /proc/filesystems >/dev/null 2>&1
- then
- :
- else
- _notrun "This test requires ext2 filesystem support"
- fi
-}
-
-# this test requires tmpfs filesystem support
-#
-_require_tmpfs()
-{
- modprobe tmpfs >/dev/null 2>&1
- grep -q tmpfs /proc/filesystems ||
- _notrun "this test requires tmpfs support"
+ modprobe "$1" >/dev/null 2>&1
+ grep -q -w "$1" /proc/filesystems ||
+ _notrun "this test requires $1 support"
}
# this test requires that (large) loopback device files are not in use
esac
}
+# test whether the mount_setattr syscall is available
+_require_mount_setattr()
+{
+ $here/src/feature -r
+ case $? in
+ 0)
+ ;;
+ 1)
+ _notrun "kernel does not support mount_setattr syscall"
+ ;;
+ *)
+ _fail "unexpected error testing for mount_setattr support"
+ ;;
+ esac
+}
+
+# test whether idmapped mounts are supported
+_require_idmapped_mounts()
+{
+ IDMAPPED_MOUNTS_TEST=$here/src/idmapped-mounts/idmapped-mounts
+ [ -x $IDMAPPED_MOUNTS_TEST ] || _notrun "idmapped-mounts utilities required"
+
+ _require_mount_setattr
+
+ $here/src/idmapped-mounts/idmapped-mounts --supported \
+ --device "$TEST_DEV" \
+ --mount "$TEST_DIR" \
+ --fstype "$FSTYP"
+
+ if [ $? -ne 0 ]; then
+ _notrun "idmapped-mounts not support by $FSTYP"
+ fi
+}
+
# this test requires that a test program exists under src/
# $1 - command (require)
#
# return device size in kb
_get_device_size()
{
- grep -w `_short_dev $1` /proc/partitions | awk '{print $3}'
+ echo $(($(blockdev --getsz $1) >> 1))
}
# Make sure we actually have dmesg checking set up.