[libguestfs] Disable test-btrfs-devices on ix86 only.

[Richard W.M. Jones]

commit 269100f67212e8365a22e6a702b9a7fa3d7ae57f
Author: Richard W.M. Jones <rjones at redhat.com>
Date:   Tue Apr 30 08:29:03 2013 +0100

    Disable test-btrfs-devices on ix86 only.

 libguestfs.spec |    8 ++++++++
 1 files changed, 8 insertions(+), 0 deletions(-)
---
diff --git a/libguestfs.spec b/libguestfs.spec
index d76e50c..2ad8a32 100644
--- a/libguestfs.spec
+++ b/libguestfs.spec
@@ -603,6 +603,14 @@ export SKIP_TEST_VIRT_FORMAT_SH=1
 # Disable set_label tests (RHBZ#906777).
 export SKIP_TEST_SET_LABEL=1
 
+# Disable test-btrfs-devices on ix86 only.  It fails on Fedora 19 (but not
+# Fedora 18 nor Fedora 20) with:
+# guestfsd: error: tar subcommand failed on directory: /data3: tar: ./10/q/4: Cannot open: No space left on device
+# This seems to be a transient kernel problem, fixed in F20.
+%ifarch %{ix86}
+export SKIP_TEST_BTRFS_DEVICES_SH=1
+%endif
+
 # Skip gnulib tests which fail (probably these are kernel/glibc bugs).
 pushd gnulib/tests
 make -k check ||: