From f2d5c937034e6c07391549ef6d46b2c8db086c85 Mon Sep 17 00:00:00 2001
From: Theodore Ts'o <tytso@mit.edu>
Date: Thu, 7 Mar 2002 03:13:07 -0500
Subject: [PATCH] Fixed the journal handling so that an offer is made to clear
 the journal filesystem in all cases.

Fixed a bug in e2fsck which caused it to give spurious I/O manager
bad messages right before crashes.
---
 e2fsck/ChangeLog               |  12 +++++++++++-
 e2fsck/journal.c               |   4 +++-
 e2fsck/unix.c                  |   1 -
 tests/ChangeLog                |   6 +++++-
 tests/f_extra_journal/expect.1 |  23 +++++++++++++++++++++++
 tests/f_extra_journal/expect.2 |   7 +++++++
 tests/f_extra_journal/image.gz | Bin 0 -> 4320 bytes
 tests/f_extra_journal/name     |   1 +
 tests/f_miss_journal/expect.1  |  23 +++++++++++++++++++++++
 tests/f_miss_journal/expect.2  |   7 +++++++
 tests/f_miss_journal/image.gz  | Bin 0 -> 4276 bytes
 tests/f_miss_journal/name      |   1 +
 tests/f_swapfs/image           | Bin 0 -> 1048576 bytes
 13 files changed, 81 insertions(+), 4 deletions(-)
 create mode 100644 tests/f_extra_journal/expect.1
 create mode 100644 tests/f_extra_journal/expect.2
 create mode 100644 tests/f_extra_journal/image.gz
 create mode 100644 tests/f_extra_journal/name
 create mode 100644 tests/f_miss_journal/expect.1
 create mode 100644 tests/f_miss_journal/expect.2
 create mode 100644 tests/f_miss_journal/image.gz
 create mode 100644 tests/f_miss_journal/name
 create mode 100644 tests/f_swapfs/image

diff --git a/e2fsck/ChangeLog b/e2fsck/ChangeLog
index 1bb41917..747f1fc6 100644
--- a/e2fsck/ChangeLog
+++ b/e2fsck/ChangeLog
@@ -1,4 +1,14 @@
-2002-03-06    <tytso@snap.thunk.org>
+2002-03-07    <tytso@snap.thunk.org>
+
+	* unix.c (main): Don't close the filesystem before calling
+		fatal_error(); this just causes a needless warning about a
+		bad I/O manager magic number.
+
+	* journal.c (e2fsck_check_ext3_journal): Offer to clear the inode
+		in case the journal is too small, or the inode number in
+		the superblock doesn't appear to be random.
+
+2002-03-06    <tytso@mit.edu>
 
 	* problem.h, problem.c: PR_5_BLOCK_RANGE_UNUSED,
 		PR_5_BLOCK_RANGE_USED, PR_5_INODE_RANGE_UNUSED,
diff --git a/e2fsck/journal.c b/e2fsck/journal.c
index ec575ee7..6597d574 100644
--- a/e2fsck/journal.c
+++ b/e2fsck/journal.c
@@ -620,7 +620,9 @@ int e2fsck_check_ext3_journal(e2fsck_t ctx)
 
 	retval = e2fsck_get_journal(ctx, &journal);
 	if (retval) {
-		if (retval == EXT2_ET_BAD_INODE_NUM)
+		if ((retval == EXT2_ET_BAD_INODE_NUM) ||
+		    (retval == EXT2_ET_JOURNAL_TOO_SMALL) ||
+		    (retval == EXT2_ET_NO_JOURNAL))
 			return e2fsck_journal_fix_bad_inode(ctx, &pctx);
 		return retval;
 	}
diff --git a/e2fsck/unix.c b/e2fsck/unix.c
index 1eac4973..e424ac7b 100644
--- a/e2fsck/unix.c
+++ b/e2fsck/unix.c
@@ -831,7 +831,6 @@ restart:
 		com_err(ctx->program_name, retval,
 			_("while checking ext3 journal for %s"),
 			ctx->device_name);
-		ext2fs_close(ctx->fs);
 		fatal_error(ctx, 0);
 	}
 
diff --git a/tests/ChangeLog b/tests/ChangeLog
index 7d16aee0..71c1eb21 100644
--- a/tests/ChangeLog
+++ b/tests/ChangeLog
@@ -1,4 +1,8 @@
-2002-03-06    <tytso@snap.thunk.org>
+2002-03-07    <tytso@mit.edu>
+
+	* f_miss_journal, f_extra_journal: Added new test cases.
+
+2002-03-06    <tytso@mit.edu>
 
 	* f_badorphan, f_badtable, f_bbinode, f_dupsuper, f_expand,
 		f_illbbitmap, f_illibitmap, f_illitable, f_imagic, 
diff --git a/tests/f_extra_journal/expect.1 b/tests/f_extra_journal/expect.1
new file mode 100644
index 00000000..f8ccd647
--- /dev/null
+++ b/tests/f_extra_journal/expect.1
@@ -0,0 +1,23 @@
+Superblock doesn't have has_journal flag, but has ext3 journal inode.
+Clear? yes
+
+Pass 1: Checking inodes, blocks, and sizes
+Journal inode is not in use, but contains data.  Clear? yes
+
+Pass 2: Checking directory structure
+Pass 3: Checking directory connectivity
+Pass 4: Checking reference counts
+Pass 5: Checking group summary information
+Block bitmap differences:  -(50--1079)
+Fix? yes
+
+Free blocks count wrong for group #0 (968, counted=1998).
+Fix? yes
+
+Free blocks count wrong (968, counted=1998).
+Fix? yes
+
+
+test_filesys: ***** FILE SYSTEM WAS MODIFIED *****
+test_filesys: 11/256 files (0.0% non-contiguous), 50/2048 blocks
+Exit status is 1
diff --git a/tests/f_extra_journal/expect.2 b/tests/f_extra_journal/expect.2
new file mode 100644
index 00000000..834a1204
--- /dev/null
+++ b/tests/f_extra_journal/expect.2
@@ -0,0 +1,7 @@
+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: 11/256 files (0.0% non-contiguous), 50/2048 blocks
+Exit status is 0
diff --git a/tests/f_extra_journal/image.gz b/tests/f_extra_journal/image.gz
new file mode 100644
index 0000000000000000000000000000000000000000..113961930d9130178a8346b46859ede99b40b892
GIT binary patch
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literal 0
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diff --git a/tests/f_extra_journal/name b/tests/f_extra_journal/name
new file mode 100644
index 00000000..c5540e27
--- /dev/null
+++ b/tests/f_extra_journal/name
@@ -0,0 +1 @@
+Valid journal inode, but has_journal feature not present
diff --git a/tests/f_miss_journal/expect.1 b/tests/f_miss_journal/expect.1
new file mode 100644
index 00000000..8aebe443
--- /dev/null
+++ b/tests/f_miss_journal/expect.1
@@ -0,0 +1,23 @@
+Superblock has a bad ext3 journal (inode 8).
+Clear? yes
+
+*** ext3 journal has been deleted - filesystem is now ext2 only ***
+
+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
+Block bitmap differences:  -(50--1079)
+Fix? yes
+
+Free blocks count wrong for group #0 (968, counted=1998).
+Fix? yes
+
+Free blocks count wrong (968, counted=1998).
+Fix? yes
+
+
+test_filesys: ***** FILE SYSTEM WAS MODIFIED *****
+test_filesys: 11/256 files (0.0% non-contiguous), 50/2048 blocks
+Exit status is 1
diff --git a/tests/f_miss_journal/expect.2 b/tests/f_miss_journal/expect.2
new file mode 100644
index 00000000..834a1204
--- /dev/null
+++ b/tests/f_miss_journal/expect.2
@@ -0,0 +1,7 @@
+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: 11/256 files (0.0% non-contiguous), 50/2048 blocks
+Exit status is 0
diff --git a/tests/f_miss_journal/image.gz b/tests/f_miss_journal/image.gz
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diff --git a/tests/f_miss_journal/name b/tests/f_miss_journal/name
new file mode 100644
index 00000000..599be529
--- /dev/null
+++ b/tests/f_miss_journal/name
@@ -0,0 +1 @@
+Non-existent journal inode
diff --git a/tests/f_swapfs/image b/tests/f_swapfs/image
new file mode 100644
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