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[v3,08/12] btrfs-progs: fsck-test: Add test image for lowmem mode block group false alert

Message ID 20170221083438.25719-9-quwenruo@cn.fujitsu.com (mailing list archive)
State New, archived
Headers show

Commit Message

Qu Wenruo Feb. 21, 2017, 8:34 a.m. UTC
Add a minimal image which can reproduce the block group used space
false alert for lowmem mode fsck.

Reported-by: Christoph Anton Mitterer <calestyo@scientia.net>
Signed-off-by: Qu Wenruo <quwenruo@cn.fujitsu.com>
---
 .../block_group_item_false_alert.raw.xz                 | Bin 0 -> 47792 bytes
 tests/fsck-tests/020-extent-ref-cases/test.sh           |  15 +++++++++++----
 2 files changed, 11 insertions(+), 4 deletions(-)
 create mode 100644 tests/fsck-tests/020-extent-ref-cases/block_group_item_false_alert.raw.xz
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Patch

diff --git a/tests/fsck-tests/020-extent-ref-cases/block_group_item_false_alert.raw.xz b/tests/fsck-tests/020-extent-ref-cases/block_group_item_false_alert.raw.xz
new file mode 100644
index 0000000000000000000000000000000000000000..559c3fa9e8491f3ce1f424d1baef29853e8fb889
GIT binary patch
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HcmV?d00001

diff --git a/tests/fsck-tests/020-extent-ref-cases/test.sh b/tests/fsck-tests/020-extent-ref-cases/test.sh
index c2b6a006..5dc5e55d 100755
--- a/tests/fsck-tests/020-extent-ref-cases/test.sh
+++ b/tests/fsck-tests/020-extent-ref-cases/test.sh
@@ -8,16 +8,23 @@ 
 # * shared_data_ref
 # * no_inline_ref (a extent item without inline ref)
 # * no_skinny_ref
+#
+# Special check for lowmem regression
+# * block_group_item_false_alert
+#   Containing a block group and its first extent at
+#   the beginning of leaf.
+#   Which caused false alert for lowmem mode.
 
 source $TOP/tests/common
 
 check_prereq btrfs
 
-for img in *.img
+for img in *.img *.raw.xz
 do
 	image=$(extract_image $img)
-	run_check_stdout $TOP/btrfs check "$image" 2>&1 |
-		grep -q "Errors found in extent allocation tree or chunk allocation" &&
-		_fail "unexpected error occurred when checking $img"
+
+	# Since the return value bug is already fixed, we don't need
+	# the old grep hack to detect bug.
+	run_check $TOP/btrfs check "$image"
 	rm -f "$image"
 done