Date:   Wed, 20 Jan 2021 13:26:40 -0800
From:   Harshad Shirwadkar <harshadshirwadkar@...il.com>
To:     linux-ext4@...r.kernel.org
Cc:     tytso@....edu, Harshad Shirwadkar <harshadshirwadkar@...il.com>
Subject: [PATCH v3 14/15] tests: add fast commit recovery tests

From: Harshad Shirwadkar <harshadshirwadkar@...il.com>

Add j_recover_fast_commit test that ensure that e2fsck is able to
recover a disk from fast commit log.

Signed-off-by: Harshad Shirwadkar <harshadshirwadkar@...il.com>
---
 tests/j_recover_fast_commit/commands |   4 ++++
 tests/j_recover_fast_commit/expect   |  23 +++++++++++++++++++++++
 tests/j_recover_fast_commit/image.gz | Bin 0 -> 3595 bytes
 tests/j_recover_fast_commit/script   |  26 ++++++++++++++++++++++++++
 4 files changed, 53 insertions(+)
 create mode 100644 tests/j_recover_fast_commit/commands
 create mode 100644 tests/j_recover_fast_commit/expect
 create mode 100644 tests/j_recover_fast_commit/image.gz
 create mode 100755 tests/j_recover_fast_commit/script

diff --git a/tests/j_recover_fast_commit/commands b/tests/j_recover_fast_commit/commands
new file mode 100644
index 00000000..74e20e4e
--- /dev/null
+++ b/tests/j_recover_fast_commit/commands
@@ -0,0 +1,4 @@
+ls
+ls a/
+ex a/new
+ex a/data
diff --git a/tests/j_recover_fast_commit/expect b/tests/j_recover_fast_commit/expect
new file mode 100644
index 00000000..2fc1e53f
--- /dev/null
+++ b/tests/j_recover_fast_commit/expect
@@ -0,0 +1,23 @@
+test_filesys: recovering journal
+Pass 1: Checking inodes, blocks, and sizes
+Pass 2: Checking directory structure
+Pass 3: Checking directory connectivity
+Pass 4: Checking reference counts
+Pass 5: Checking group summary information
+test_filesys: 14/256 files (14.3% non-contiguous), 1365/2048 blocks
+Exit status is 0
+debugfs: ls
+ 2  (12) .    2  (12) ..    11  (20) lost+found    12  (968) a   
+debugfs: ls a/
+ 12  (12) .    2  (12) ..    13  (12) data    14  (976) new   
+debugfs: ex a/new
+Level Entries       Logical      Physical Length Flags
+ 0/ 0   1/  1     0 -     0  1107 -  1107      1 
+debugfs: ex a/data
+Level Entries       Logical      Physical Length Flags
+ 0/ 1   1/  1     0 -   255  1618            256
+ 1/ 1   1/  5     0 -    15  1619 -  1634     16 
+ 1/ 1   2/  5    16 -    31  1601 -  1616     16 
+ 1/ 1   3/  5    32 -    63  1985 -  2016     32 
+ 1/ 1   4/  5    64 -   127  1537 -  1600     64 
+ 1/ 1   5/  5   128 -   255  1793 -  1920    128 
diff --git a/tests/j_recover_fast_commit/image.gz b/tests/j_recover_fast_commit/image.gz
new file mode 100644
index 0000000000000000000000000000000000000000..b7357afc46bec8a0154d5746fa2fce86c2341efc
GIT binary patch
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diff --git a/tests/j_recover_fast_commit/script b/tests/j_recover_fast_commit/script
new file mode 100755
index 00000000..6bdb8258
--- /dev/null
+++ b/tests/j_recover_fast_commit/script
@@ -0,0 +1,26 @@
+#!/bin/bash
+
+FSCK_OPT=-fy
+IMAGE=$test_dir/image.gz
+CMDS=$test_dir/commands
+
+gunzip < $IMAGE > $TMPFILE
+
+# Run fsck to fix things?
+EXP=$test_dir/expect
+OUT=$test_name.log
+
+cp $TMPFILE /tmp/debugthis
+$FSCK $FSCK_OPT -E journal_only -N test_filesys $TMPFILE 2>&1 | head -n 1000 | tail -n +2 > $OUT
+echo "Exit status is $?" >> $OUT
+
+$DEBUGFS -f $CMDS $TMPFILE >> $OUT 2>/dev/null
+
+# Figure out what happened
+if cmp -s $EXP $OUT; then
+	echo "$test_name: $test_description: ok"
+	touch $test_name.ok
+else
+	echo "$test_name: $test_description: failed"
+	diff -u $EXP $OUT >> $test_name.failed
+fi
-- 
2.30.0.284.gd98b1dd5eaa7-goog

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