btrfs: make nospace_cache related test cases to work with latest v2 cache

[xfstests-dev.git] / common / btrfs

diff --git a/common/btrfs b/common/btrfs
index 2eab4b299387a6aed245bd49a1078376bd46b68a..cd053d3b284a7d9a38e96221f488134a91a79126 100644 (file)
--- a/common/btrfs
+++ b/common/btrfs
@@ -461,3 +461,15 @@ _require_btrfs_sysfs_fsid()
        test -f /sys/fs/btrfs/$fsid/devinfo/1/fsid ||\
                _notrun "Need btrfs sysfs fsid support"
 }
+
+# If test doesn't want v1 cache to take up data space, there's no longer need
+# the "nospace_cache" mount option if the filesystem is already using v2 cache.
+# Since v2 cache is using metadata space, it will no longer take up data space.
+_btrfs_no_v1_cache_opt()
+{
+       if $BTRFS_UTIL_PROG inspect-internal dump-tree $SCRATCH_DEV |\
+          grep -q "FREE_SPACE_TREE"; then
+               return
+       fi
+       echo -n "-onospace_cache"
+}