generic: Add test to check for mounting a huge sparse dm device

[xfstests-dev.git] / common / rc

diff --git a/common/rc b/common/rc
index 5911a6c89a78373b5be11a77989d773c90c6d3b3..33b5b598a1983cd06e8debd31469f87a517bcaef 100644 (file)
--- a/common/rc
+++ b/common/rc
@@ -1608,6 +1608,37 @@ _require_scratch_size()
        [ $devsize -lt $1 ] && _notrun "scratch dev too small"
 }
 
+# require a scratch dev of a minimum size (in kb) and should not be checked
+# post test
+_require_scratch_size_nocheck()
+{
+       [ $# -eq 1 ] || _fail "_require_scratch_size: expected size param"
+
+       _require_scratch_nocheck
+       local devsize=`_get_device_size $SCRATCH_DEV`
+       [ $devsize -lt $1 ] && _notrun "scratch dev too small"
+}
+
+# require scratch fs which supports >16T of filesystem size.
+_require_scratch_16T_support()
+{
+       case $FSTYP in
+       ext2|ext3|f2fs)
+               _notrun "$FSTYP doesn't support >16T filesystem"
+               ;;
+       ext4)
+               _scratch_mkfs >> $seqres.full 2>&1
+               _scratch_mount
+               local blocksize=$(_get_block_size $SCRATCH_MNT)
+               if [ $blocksize -lt 4096 ]; then
+                       _notrun "This test requires >16T fs support"
+               fi
+               _scratch_unmount
+               ;;
+       *)
+               ;;
+       esac
+}
 
 # this test needs a test partition - check we're ok & mount it
 #