[xfstests-bld PATCH] test-appliance: support f2fs-tools v1.9 and later

[Eric Biggers via Linux-f2fs-devel <linux-f2fs-devel@lists.sourceforge.net>]

Pass the -f option to mkfs.f2fs when it appears to support it.  This is
required by f2fs-tools v1.9 and later in order to format the filesystem
even when an existing filesystem is detected.  But earlier versions did
not accept this option.

Signed-off-by: Eric Biggers <ebiggers@google.com>
---
 kvm-xfstests/test-appliance/files/root/fs/f2fs/config | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/kvm-xfstests/test-appliance/files/root/fs/f2fs/config b/kvm-xfstests/test-appliance/files/root/fs/f2fs/config
index 45fb2dd..0efcb76 100644
--- a/kvm-xfstests/test-appliance/files/root/fs/f2fs/config
+++ b/kvm-xfstests/test-appliance/files/root/fs/f2fs/config
@@ -20,6 +20,10 @@ function format_filesystem()
     local dev="$1"
     local opts="$2"
 
+    if grep -q 'force overwrite' /sbin/mkfs.f2fs; then
+	# f2fs-tools v1.9+
+	opts+=" -f"
+    fi
     /sbin/mkfs.f2fs -q $opts "$dev"
     return $?
 }
-- 
2.17.0.484.g0c8726318c-goog


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