makefs: tests: Double the timeout of ZFS compression test

The test makefs_zfs_tests:compression is timing out on ci.freebsd.org.
Double the default timeout to allow it to finish.

While here, check if the file exists before cleaning up, otherwise, cat
may fail.

Reported by:	Jenkins
Reviewed by:	asomers
MFC after:	1 week
Differential Revision:	https://reviews.freebsd.org/D54424

1 files changed, 16 insertions, 6 deletions

diff --git a/usr.sbin/makefs/tests/makefs_zfs_tests.sh b/usr.sbin/makefs/tests/makefs_zfs_tests.sh
index 2fafce85b347..ac4c56796011 100644
--- a/usr.sbin/makefs/tests/makefs_zfs_tests.sh
+++ b/usr.sbin/makefs/tests/makefs_zfs_tests.sh
@@ -41,14 +41,18 @@ common_cleanup()
 	# Try to force a TXG, this can help catch bugs by triggering a panic.
 	sync
 
-	pool=$(cat $TEST_ZFS_POOL_NAME)
-	if zpool list "$pool" >/dev/null; then
-		zpool destroy "$pool"
+	if [ -f "$TEST_ZFS_POOL_NAME" ]; then
+		pool=$(cat $TEST_ZFS_POOL_NAME)
+		if zpool list "$pool" >/dev/null; then
+			zpool destroy "$pool"
+		fi
 	fi
 
-	md=$(cat $TEST_MD_DEVICE_FILE)
-	if [ -c /dev/"$md" ]; then
-		mdconfig -d -u "$md"
+	if [ -f "$TEST_MD_DEVICE_FILE" ]; then
+		md=$(cat $TEST_MD_DEVICE_FILE)
+		if [ -c /dev/"$md" ]; then
+			mdconfig -d -u "$md"
+		fi
 	fi
 }
 
@@ -128,6 +132,12 @@ basic_cleanup()
 # Try configuring various compression algorithms.
 #
 atf_test_case compression cleanup
+compression_head()
+{
+	# Double the default timeout to make it pass on emulated architectures
+	# on ci.freebsd.org
+	atf_set "timeout" 600
+}
 compression_body()
 {
 	create_test_inputs