[PATCH] xfstests: add test 202, xfs_repair handling of single-AG filesystems

[Eric Sandeen]

Christoph Hellwig wrote:
> Signed-off-by: Christoph Hellwig <hch at lst.de>

Reviewed-by: Eric Sandeen <sandeen at sandeen.net>

> Index: xfstests-dev/202
> ===================================================================
> --- /dev/null	1970-01-01 00:00:00.000000000 +0000
> +++ xfstests-dev/202	2009-01-22 23:14:28.000000000 +0000
> @@ -0,0 +1,42 @@
> +#! /bin/sh
> +# FS QA Test No. 202
> +#
> +# Test out the xfs_repair -o force_geometry option on single-AG filesystems.
> +#
> +#-----------------------------------------------------------------------
> +# Copyright (c) 2009 Christoph Hellwig.
> +#-----------------------------------------------------------------------
> +#
> +# creator
> +owner=hch at lst.de
> +
> +seq=`basename $0`
> +echo "QA output created by $seq"
> +
> +here=`pwd`
> +tmp=/tmp/$$
> +status=1	# failure is the default!
> +
> +# get standard environment, filters and checks
> +. ./common.rc
> +. ./common.filter
> +
> +# real QA test starts here
> +_supported_fs xfs
> +_supported_os Linux
> +
> +_require_scratch
> +
> +echo "== Creating single-AG filesystem =="
> +_scratch_mkfs_xfs -d agcount=1 >/dev/null 2>&1
> +
> +echo "== Trying to repair it (should fail) =="
> +xfs_repair $SCRATCH_DEV
> +
> +echo "== Trying to repair it with -o force_geometry =="
> +xfs_repair -o force_geometry $SCRATCH_DEV
> +
> +# success, all done
> +echo "*** done"
> +rm -f $seq.full
> +status=0
> Index: xfstests-dev/202.out
> ===================================================================
> --- /dev/null	1970-01-01 00:00:00.000000000 +0000
> +++ xfstests-dev/202.out	2009-01-22 23:15:43.000000000 +0000
> @@ -0,0 +1,31 @@
> +QA output created by 202
> +== Creating single-AG filesystem ==
> +== Trying to repair it (should fail) ==
> +Phase 1 - find and verify superblock...
> +Only one AG detected - cannot validate filesystem geometry.
> +Use the -o force_geometry option to proceed.
> +== Trying to repair it with -o force_geometry ==
> +Phase 1 - find and verify superblock...
> +Phase 2 - using internal log
> +        - zero log...
> +        - scan filesystem freespace and inode maps...
> +        - found root inode chunk
> +Phase 3 - for each AG...
> +        - scan and clear agi unlinked lists...
> +        - process known inodes and perform inode discovery...
> +        - agno = 0
> +        - process newly discovered inodes...
> +Phase 4 - check for duplicate blocks...
> +        - setting up duplicate extent list...
> +        - check for inodes claiming duplicate blocks...
> +        - agno = 0
> +Phase 5 - rebuild AG headers and trees...
> +        - reset superblock...
> +Phase 6 - check inode connectivity...
> +        - resetting contents of realtime bitmap and summary inodes
> +        - traversing filesystem ...
> +        - traversal finished ...
> +        - moving disconnected inodes to lost+found ...
> +Phase 7 - verify and correct link counts...
> +done
> +*** done
> Index: xfstests-dev/group
> ===================================================================
> --- xfstests-dev.orig/group	2009-01-22 22:52:48.000000000 +0000
> +++ xfstests-dev/group	2009-01-22 22:52:53.000000000 +0000
> @@ -303,3 +303,4 @@
>  199 mount auto
>  200 mount auto
>  201 metadata auto
> +202 repair auto
> 
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