Currently this test fails on 2 situations:
1) The scratch device supports trim/discard. In this case any modern
version of mkfs.btrfs outputs a message (to stderr) informing that
a trim is performed, which the golden output doesn't expect:
btrfs/017 - output mismatch (see /git/xfstests/results//btrfs/017.out.bad)
--- tests/btrfs/017.out 2015-01-06 11:14:22.730143144 +0000
+++ /git/xfstests/results//btrfs/017.out.bad 2015-01-14 22:33:01.582195719 +0000
@@ -1,4 +1,5 @@
QA output created by 017
+Performing full device TRIM (100.00GiB) ...
wrote 8192/8192 bytes at offset 0
XXX Bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
4096 4096
...
(Run 'diff -u tests/btrfs/017.out /git/xfstests/results//btrfs/017.out.bad' to see the entire diff)
So like others tests do, just redirect mkfs' standard error.
2) On platforms with a page size greater than 4Kb. At the moment btrfs
doesn't support a node/leaf size smaller than the page size, but it
supports a larger one. So use the max supported node size (64Kb) so
that the test runs on any platform currently supported by Linux.
Signed-off-by: Filipe Manana <fdmanana@xxxxxxxx>
---
tests/btrfs/017 | 6 +++++-
tests/btrfs/017.out | 4 ++--
2 files changed, 7 insertions(+), 3 deletions(-)
diff --git a/tests/btrfs/017 b/tests/btrfs/017
index 7937607..d00d7c8 100755
--- a/tests/btrfs/017
+++ b/tests/btrfs/017
@@ -56,7 +56,11 @@ _require_cloner
rm -f $seqres.full
-_scratch_mkfs "--nodesize 4096"
+# Currently in btrfs the node/leaf size can not be smaller than the page
+# size (but it can be greater than the page size). So use the largest
+# supported node/leaf size (64Kb) so that the test can run on any platform
+# that Linux supports.
+_scratch_mkfs "--nodesize 65536" >>$seqres.full 2>&1
_scratch_mount
$XFS_IO_PROG -f -d -c "pwrite 0 8K" $SCRATCH_MNT/foo | _filter_xfs_io
diff --git a/tests/btrfs/017.out b/tests/btrfs/017.out
index 7658e2e..f940f3a 100644
--- a/tests/btrfs/017.out
+++ b/tests/btrfs/017.out
@@ -1,5 +1,5 @@
QA output created by 017
wrote 8192/8192 bytes at offset 0
XXX Bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
-4096 4096
-4096 4096
+65536 65536
+65536 65536
--
2.1.3
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