generic/081: wait for lv to be settled before creating fs on it

Call 'udevadm settle' or 'udevsettle' or 'sleep 1' to make sure new lv
is ready for use before making filesystem on it, depends on which
command is available on the system.

Signed-off-by: Eryu Guan <eguan@redhat.com>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Signed-off-by: Dave Chinner <david@fromorbit.com>

diff --git a/common/config b/common/config
index 8e21c2865f844760ba69e79952be4194ad265cb6..73da60a70973c39ca934c5d444460120298ae7d9 100644 (file)
--- a/common/config
+++ b/common/config
@@ -192,6 +192,24 @@ export DUMP_PROG="`set_prog_path dump`"
 export RESTORE_PROG="`set_prog_path restore`"
 export LVM_PROG="`set_prog_path lvm`"
 
+# use 'udevadm settle' or 'udevsettle' to wait for lv to be settled.
+# newer systems have udevadm command but older systems like RHEL5 don't.
+# But if neither one is available, just set it to "sleep 1" to wait for lv to
+# be settled
+UDEV_SETTLE_PROG="`set_prog_path udevadm`"
+if [ "$UDEV_SETTLE_PROG" == "" ]; then
+       # try udevsettle command
+       UDEV_SETTLE_PROG="`set_prog_path udevsettle`"
+else
+       # udevadm is available, add 'settle' as subcommand
+       UDEV_SETTLE_PROG="$UDEV_SETTLE_PROG settle"
+fi
+# neither command is available, use sleep 1
+if [ "$UDEV_SETTLE_PROG" == "" ]; then
+       UDEV_SETTLE_PROG="sleep 1"
+fi
+export UDEV_SETTLE_PROG
+
 # Generate a comparable xfsprogs version number in the form of
 # major * 10000 + minor * 100 + release
 #

diff --git a/tests/generic/081 b/tests/generic/081
index 5d38c11a0aff6592222d701dc1a795d0e7e54fd0..34da1ac2156255f1d47cddd0a9867ef3a40c9ecc 100755 (executable)
--- a/tests/generic/081
+++ b/tests/generic/081
@@ -66,6 +66,8 @@ mkdir -p $mnt
 _scratch_mkfs_sized $((300 * 1024 * 1024)) >>$seqres.full 2>&1
 $LVM_PROG vgcreate -f $vgname $SCRATCH_DEV >>$seqres.full 2>&1
 $LVM_PROG lvcreate --yes -L 256M -n $lvname $vgname >>$seqres.full 2>&1
+# wait for lvcreation to fully complete
+$UDEV_SETTLE_PROG >>$seqres.full 2>&1
 
 # _mkfs_dev exits the test on failure, this can make sure lv is created in
 # above vgcreate/lvcreate steps