linux-ext4 - [PATCHv2 5/9] generic/031: Fix the test case for 64k blocksize config

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Date:   Wed, 21 Jul 2021 10:57:58 +0530
From:   Ritesh Harjani <riteshh@...ux.ibm.com>
To:     fstests@...r.kernel.org
Cc:     linux-ext4@...r.kernel.org, "Theodore Ts'o" <tytso@....edu>,
        "Darrick J . Wong" <djwong@...nel.org>,
        Ritesh Harjani <riteshh@...ux.ibm.com>
Subject: [PATCHv2 5/9] generic/031: Fix the test case for 64k blocksize config

This test fails with blocksize 64k since the test assumes 4k blocksize
in fcollapse param. This patch fixes that and also tests for 64k
blocksize.

Signed-off-by: Ritesh Harjani <riteshh@...ux.ibm.com>
---
 tests/generic/031     | 14 +++++++++-----
 tests/generic/031.out | 16 ++++++++--------
 2 files changed, 17 insertions(+), 13 deletions(-)

diff --git a/tests/generic/031 b/tests/generic/031
index 313ce9ff..11961c54 100755
--- a/tests/generic/031
+++ b/tests/generic/031
@@ -26,11 +26,16 @@ testfile=$SCRATCH_MNT/testfile
 _scratch_mkfs > /dev/null 2>&1
 _scratch_mount
 
+# fcollapse need offset and len to be multiple of blocksize for filesystems
+# So let's make the offsets and len required for fcollapse multiples of 64K
+# so that it works for all configurations (including on dax on 64K page size
+# systems)
+fact=$((65536/4096))
 $XFS_IO_PROG -f \
-	-c "pwrite 185332 55756" \
-	-c "fcollapse 28672 40960" \
-	-c "pwrite 133228 63394" \
-	-c "fcollapse 0 4096" \
+	-c "pwrite $((185332*fact + 12)) $((55756*fact + 12))" \
+	-c "fcollapse $((28672 * fact)) $((40960 * fact))" \
+	-c "pwrite $((133228 * fact + 12)) $((63394 * fact + 12))" \
+	-c "fcollapse 0 $((4096 * fact))" \
 $testfile | _filter_xfs_io
 
 echo "==== Pre-Remount ==="
@@ -41,4 +46,3 @@ hexdump -C $testfile
 
 status=0
 exit
-
diff --git a/tests/generic/031.out b/tests/generic/031.out
index 194bfa45..7dfcfe41 100644
--- a/tests/generic/031.out
+++ b/tests/generic/031.out
@@ -1,19 +1,19 @@
 QA output created by 031
-wrote 55756/55756 bytes at offset 185332
+wrote 892108/892108 bytes at offset 2965324
 XXX Bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
-wrote 63394/63394 bytes at offset 133228
+wrote 1014316/1014316 bytes at offset 2131660
 XXX Bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
 ==== Pre-Remount ===
 00000000  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
 *
-0001f860  00 00 00 00 00 00 00 00  00 00 00 00 cd cd cd cd  |................|
-0001f870  cd cd cd cd cd cd cd cd  cd cd cd cd cd cd cd cd  |................|
+001f86c0  00 00 00 00 00 00 00 00  00 00 00 00 cd cd cd cd  |................|
+001f86d0  cd cd cd cd cd cd cd cd  cd cd cd cd cd cd cd cd  |................|
 *
-0002fdc0
+002fdc18
 ==== Post-Remount ==
 00000000  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
 *
-0001f860  00 00 00 00 00 00 00 00  00 00 00 00 cd cd cd cd  |................|
-0001f870  cd cd cd cd cd cd cd cd  cd cd cd cd cd cd cd cd  |................|
+001f86c0  00 00 00 00 00 00 00 00  00 00 00 00 cd cd cd cd  |................|
+001f86d0  cd cd cd cd cd cd cd cd  cd cd cd cd cd cd cd cd  |................|
 *
-0002fdc0
+002fdc18
-- 
2.31.1