diff mbox series

[2/6] remove xfs/096

Message ID 20240408133243.694134-3-hch@lst.de (mailing list archive)
State New, archived
Headers show
Series [1/6] xfs: remove support for tools and kernels with v5 support | expand

Commit Message

Christoph Hellwig April 8, 2024, 1:32 p.m. UTC
This test exercises mkfs error handling before strict validation was added
and thus is useless for xfsprogs > 4.5.

Signed-off-by: Christoph Hellwig <hch@lst.de>
---
 .gitignore                 |   1 -
 common/xfs                 |   9 ---
 tests/xfs/096              | 130 -------------------------------------
 tests/xfs/096.out.external |  50 --------------
 tests/xfs/096.out.internal |  51 ---------------
 5 files changed, 241 deletions(-)
 delete mode 100755 tests/xfs/096
 delete mode 100644 tests/xfs/096.out.external
 delete mode 100644 tests/xfs/096.out.internal

Comments

Darrick J. Wong April 9, 2024, 3:27 p.m. UTC | #1
On Mon, Apr 08, 2024 at 03:32:39PM +0200, Christoph Hellwig wrote:
> This test exercises mkfs error handling before strict validation was added
> and thus is useless for xfsprogs > 4.5.
> 
> Signed-off-by: Christoph Hellwig <hch@lst.de>

Yesssssssss decruftifying. :)
Reviewed-by: Darrick J. Wong <djwong@kernel.org>

--D

> ---
>  .gitignore                 |   1 -
>  common/xfs                 |   9 ---
>  tests/xfs/096              | 130 -------------------------------------
>  tests/xfs/096.out.external |  50 --------------
>  tests/xfs/096.out.internal |  51 ---------------
>  5 files changed, 241 deletions(-)
>  delete mode 100755 tests/xfs/096
>  delete mode 100644 tests/xfs/096.out.external
>  delete mode 100644 tests/xfs/096.out.internal
> 
> diff --git a/.gitignore b/.gitignore
> index 3b160209a..51cda513d 100644
> --- a/.gitignore
> +++ b/.gitignore
> @@ -211,7 +211,6 @@ tags
>  /tests/generic/050.out
>  /tests/xfs/033.out
>  /tests/xfs/071.out
> -/tests/xfs/096.out
>  /tests/xfs/216.out
>  
>  # cscope files
> diff --git a/common/xfs b/common/xfs
> index 57d21762c..49ca5a2d5 100644
> --- a/common/xfs
> +++ b/common/xfs
> @@ -1211,15 +1211,6 @@ _require_xfs_mkfs_validation()
>  	fi
>  }
>  
> -# The opposite of _require_xfs_mkfs_validation.
> -_require_xfs_mkfs_without_validation()
> -{
> -	_xfs_mkfs_validation_check
> -	if [ "$?" -ne 0 ]; then
> -		_notrun "Requires older mkfs without strict input checks: the last supported version of xfsprogs is 4.5."
> -	fi
> -}
> -
>  _require_scratch_xfs_shrink()
>  {
>  	_require_scratch
> diff --git a/tests/xfs/096 b/tests/xfs/096
> deleted file mode 100755
> index a7a5444f8..000000000
> --- a/tests/xfs/096
> +++ /dev/null
> @@ -1,130 +0,0 @@
> -#! /bin/bash
> -# SPDX-License-Identifier: GPL-2.0
> -# Copyright (c) 2000-2004 Silicon Graphics, Inc.  All Rights Reserved.
> -#
> -# FS QA Test No. 096
> -#
> -# test out mkfs_xfs output on IRIX/Linux and some of its error handling
> -# ensure pv#920679 is addressed
> -#
> -seqfull=$0
> -. ./common/preamble
> -_begin_fstest mkfs v2log auto quick
> -
> -# Import common functions.
> -. ./common/filter
> -. ./common/log
> -
> -#
> -# filter out counts which will vary
> -#   - extsz, blocks, agsize, agcount, device name, rtextents
> -#   - log version varies for crc enabled fs
> -#   - lsunit varies for 512/4k sector devices
> -# filter out differences between linux and irix:
> -#   - sectsz on Linux
> -#   - mmr, mixed-case on IRIX
> -#   - lazy-count on IRIX
> -#   - inode-paths on IRIX
> -#   - trailing spaces on Linux but not on IRIX
> -#
> -# Example output:
> -#  meta-data=DEV isize=256    agcount=N, agsize=N blks
> -#  data     =                       bsize=4096   blocks=N, imaxpct=25
> -#           =                       sunit=65     swidth=65 blks, unwritten=1
> -#  naming   =version 2              bsize=4096
> -#  log      =internal log           bsize=4096   blocks=N, version=1
> -#           =                       sunit=0 blks
> -#  realtime =none                   extsz=65536  blocks=N, rtextents=N
> -#
> -mkfs_filter()
> -{
> -   tee -a $seqres.full | \
> -   sed \
> -	-e 's/extsz=[0-9][0-9]*[ ]*/extsz=N, /' \
> -	-e 's/blocks=[0-9][0-9]*/blocks=N/' \
> -	-e 's/imaxpct=[0-9][0-9]*/imaxpct=N/' \
> -	-e 's/agsize=[0-9][0-9]*/agsize=N/' \
> -	-e 's/agcount=[0-9][0-9]*/agcount=N/' \
> -        -e 's/swidth=[0-9][0-9]* blks$/&, unwritten=1/' \
> -	-e 's/rtextents=[0-9][0-9]*/rtextents=N/' \
> -	-e 's/meta-data=[^ ]*/meta-data=DEV/' \
> -        -e 's/ *isize=[0-9]* / isize=N /' \
> -	-e '/ *= *sectsz=[0-9][0-9]* *attr=[0-9][0-9]*.*$/d' \
> -	-e '/ *= *mmr=[0-9][0-9]* *$/d' \
> -	-e 's/ *mixed-case=[YN]//' \
> -	-e 's/ *ascii-ci=[01]//' \
> -	-e 's/\(version=\)\([12]\)/\1N/' \
> -	-e 's/\(sunit=\)\([018] blks\)/\1N blks/' \
> -	-e 's/sectsz=[0-9][0-9]* *//' \
> -	-e 's/, lazy-count.*//' \
> -	-e '/inode-paths/d' \
> -	-e 's/\(log[ 	]*=\).*bsize/\1LOG                    bsize/' \
> -	-e 's/\(realtime[ 	]*=\).*extsz/\1REALTIME               extsz/' \
> -	-e '/.*crc=/d' \
> -	-e 's/ *$//' \
> -	-e 's/ ftype=[01]//' \
> -	-e '/^log stripe unit.*too large/d' \
> -	-e '/^log stripe unit adjusted/d' \
> -	-e '/Discarding/d' \
> -   | grep -v parent
> -}
> -
> -# real QA test starts here
> -
> -# Modify as appropriate.
> -_supported_fs xfs
> -_require_scratch
> -_require_v2log
> -_require_xfs_mkfs_without_validation
> -
> -# choose .out file based on internal/external log
> -rm -f $seqfull.out
> -if [ "$USE_EXTERNAL" = yes ]; then
> -	ln -s $seq.out.external $seqfull.out
> -else
> -	ln -s $seq.out.internal $seqfull.out
> -fi
> -
> -# maximum log record size
> -max_lr_size=`expr 256 \* 1024`
> -
> -big_su=`expr $max_lr_size + 4096`
> -
> -#
> -# Test out various mkfs param combinations
> -#
> -cat >$tmp.seq.params <<EOF
> -# su too big but must be a multiple of fs block size too
> -  -l version=2,su=`expr $max_lr_size + 512`
> -# test log stripe greater than LR size
> -  -l version=2,su=$big_su
> -# same test but get log stripe from data stripe
> -  -l version=2 -d su=$big_su,sw=1
> -# test out data stripe
> -  -m crc=0 -l version=1 -d su=$big_su,sw=1
> -# test out data stripe the same but using sunit & swidth
> -  -m crc=0 -l version=1 -d sunit=`expr $big_su / 512`,swidth=`expr $big_su / 512`
> -EOF
> -
> -#
> -# call mkfs in a loop for various params
> -#
> -echo ""
> -cat $tmp.seq.params \
> -| while read mkfs
> -do
> -    if echo $mkfs | grep -q '^#'; then
> -        # print out header & ignore comment
> -	echo $mkfs
> -	continue
> -    fi
> -    echo "--- mkfs=$mkfs ---"
> -    export MKFS_OPTIONS="$mkfs"
> -    _scratch_mkfs_xfs 2>&1 | mkfs_filter
> -    echo ""
> -    echo ""
> -done
> -
> -# success, all done
> -status=0
> -exit
> diff --git a/tests/xfs/096.out.external b/tests/xfs/096.out.external
> deleted file mode 100644
> index 3122330ac..000000000
> --- a/tests/xfs/096.out.external
> +++ /dev/null
> @@ -1,50 +0,0 @@
> -QA output created by 096
> -
> -# su too big but must be a multiple of fs block size too
> ---- mkfs=-l version=2,su=262656 ---
> -log stripe unit (262656) must be a multiple of the block size (4096)
> -
> -
> -# test log stripe greater than LR size
> ---- mkfs=-l version=2,su=266240 ---
> -meta-data=DEV isize=N      agcount=N, agsize=N blks
> -data     =                       bsize=4096   blocks=N, imaxpct=N
> -         =                       sunit=0      swidth=0 blks, unwritten=1
> -naming   =version 2              bsize=4096
> -log      =LOG                    bsize=4096   blocks=N, version=N
> -realtime =REALTIME               extsz=N, blocks=N, rtextents=N
> -
> -
> -# same test but get log stripe from data stripe
> ---- mkfs=-l version=2 -d su=266240,sw=1 ---
> -meta-data=DEV isize=N      agcount=N, agsize=N blks
> -data     =                       bsize=4096   blocks=N, imaxpct=N
> -         =                       sunit=65     swidth=65 blks, unwritten=1
> -naming   =version 2              bsize=4096
> -log      =LOG                    bsize=4096   blocks=N, version=N
> -         =                       sunit=N blks
> -realtime =REALTIME               extsz=N, blocks=N, rtextents=N
> -
> -
> -# test out data stripe
> ---- mkfs=-m crc=0 -l version=1 -d su=266240,sw=1 ---
> -meta-data=DEV isize=N      agcount=N, agsize=N blks
> -data     =                       bsize=4096   blocks=N, imaxpct=N
> -         =                       sunit=65     swidth=65 blks, unwritten=1
> -naming   =version 2              bsize=4096
> -log      =LOG                    bsize=4096   blocks=N, version=N
> -         =                       sunit=N blks
> -realtime =REALTIME               extsz=N, blocks=N, rtextents=N
> -
> -
> -# test out data stripe the same but using sunit & swidth
> ---- mkfs=-m crc=0 -l version=1 -d sunit=520,swidth=520 ---
> -meta-data=DEV isize=N      agcount=N, agsize=N blks
> -data     =                       bsize=4096   blocks=N, imaxpct=N
> -         =                       sunit=65     swidth=65 blks, unwritten=1
> -naming   =version 2              bsize=4096
> -log      =LOG                    bsize=4096   blocks=N, version=N
> -         =                       sunit=N blks
> -realtime =REALTIME               extsz=N, blocks=N, rtextents=N
> -
> -
> diff --git a/tests/xfs/096.out.internal b/tests/xfs/096.out.internal
> deleted file mode 100644
> index 80201d25b..000000000
> --- a/tests/xfs/096.out.internal
> +++ /dev/null
> @@ -1,51 +0,0 @@
> -QA output created by 096
> -
> -# su too big but must be a multiple of fs block size too
> ---- mkfs=-l version=2,su=262656 ---
> -log stripe unit (262656) must be a multiple of the block size (4096)
> -
> -
> -# test log stripe greater than LR size
> ---- mkfs=-l version=2,su=266240 ---
> -meta-data=DEV isize=N    agcount=N, agsize=N blks
> -data     =                       bsize=4096   blocks=N, imaxpct=N
> -         =                       sunit=0      swidth=0 blks, unwritten=1
> -naming   =version 2              bsize=4096
> -log      =LOG                    bsize=4096   blocks=N, version=N
> -         =                       sunit=N blks
> -realtime =REALTIME               extsz=N, blocks=N, rtextents=N
> -
> -
> -# same test but get log stripe from data stripe
> ---- mkfs=-l version=2 -d su=266240,sw=1 ---
> -meta-data=DEV isize=N    agcount=N, agsize=N blks
> -data     =                       bsize=4096   blocks=N, imaxpct=N
> -         =                       sunit=65     swidth=65 blks, unwritten=1
> -naming   =version 2              bsize=4096
> -log      =LOG                    bsize=4096   blocks=N, version=N
> -         =                       sunit=N blks
> -realtime =REALTIME               extsz=N, blocks=N, rtextents=N
> -
> -
> -# test out data stripe
> ---- mkfs=-m crc=0 -l version=1 -d su=266240,sw=1 ---
> -meta-data=DEV isize=N    agcount=N, agsize=N blks
> -data     =                       bsize=4096   blocks=N, imaxpct=N
> -         =                       sunit=65     swidth=65 blks, unwritten=1
> -naming   =version 2              bsize=4096
> -log      =LOG                    bsize=4096   blocks=N, version=N
> -         =                       sunit=N blks
> -realtime =REALTIME               extsz=N, blocks=N, rtextents=N
> -
> -
> -# test out data stripe the same but using sunit & swidth
> ---- mkfs=-m crc=0 -l version=1 -d sunit=520,swidth=520 ---
> -meta-data=DEV isize=N    agcount=N, agsize=N blks
> -data     =                       bsize=4096   blocks=N, imaxpct=N
> -         =                       sunit=65     swidth=65 blks, unwritten=1
> -naming   =version 2              bsize=4096
> -log      =LOG                    bsize=4096   blocks=N, version=N
> -         =                       sunit=N blks
> -realtime =REALTIME               extsz=N, blocks=N, rtextents=N
> -
> -
> -- 
> 2.39.2
> 
>
diff mbox series

Patch

diff --git a/.gitignore b/.gitignore
index 3b160209a..51cda513d 100644
--- a/.gitignore
+++ b/.gitignore
@@ -211,7 +211,6 @@  tags
 /tests/generic/050.out
 /tests/xfs/033.out
 /tests/xfs/071.out
-/tests/xfs/096.out
 /tests/xfs/216.out
 
 # cscope files
diff --git a/common/xfs b/common/xfs
index 57d21762c..49ca5a2d5 100644
--- a/common/xfs
+++ b/common/xfs
@@ -1211,15 +1211,6 @@  _require_xfs_mkfs_validation()
 	fi
 }
 
-# The opposite of _require_xfs_mkfs_validation.
-_require_xfs_mkfs_without_validation()
-{
-	_xfs_mkfs_validation_check
-	if [ "$?" -ne 0 ]; then
-		_notrun "Requires older mkfs without strict input checks: the last supported version of xfsprogs is 4.5."
-	fi
-}
-
 _require_scratch_xfs_shrink()
 {
 	_require_scratch
diff --git a/tests/xfs/096 b/tests/xfs/096
deleted file mode 100755
index a7a5444f8..000000000
--- a/tests/xfs/096
+++ /dev/null
@@ -1,130 +0,0 @@ 
-#! /bin/bash
-# SPDX-License-Identifier: GPL-2.0
-# Copyright (c) 2000-2004 Silicon Graphics, Inc.  All Rights Reserved.
-#
-# FS QA Test No. 096
-#
-# test out mkfs_xfs output on IRIX/Linux and some of its error handling
-# ensure pv#920679 is addressed
-#
-seqfull=$0
-. ./common/preamble
-_begin_fstest mkfs v2log auto quick
-
-# Import common functions.
-. ./common/filter
-. ./common/log
-
-#
-# filter out counts which will vary
-#   - extsz, blocks, agsize, agcount, device name, rtextents
-#   - log version varies for crc enabled fs
-#   - lsunit varies for 512/4k sector devices
-# filter out differences between linux and irix:
-#   - sectsz on Linux
-#   - mmr, mixed-case on IRIX
-#   - lazy-count on IRIX
-#   - inode-paths on IRIX
-#   - trailing spaces on Linux but not on IRIX
-#
-# Example output:
-#  meta-data=DEV isize=256    agcount=N, agsize=N blks
-#  data     =                       bsize=4096   blocks=N, imaxpct=25
-#           =                       sunit=65     swidth=65 blks, unwritten=1
-#  naming   =version 2              bsize=4096
-#  log      =internal log           bsize=4096   blocks=N, version=1
-#           =                       sunit=0 blks
-#  realtime =none                   extsz=65536  blocks=N, rtextents=N
-#
-mkfs_filter()
-{
-   tee -a $seqres.full | \
-   sed \
-	-e 's/extsz=[0-9][0-9]*[ ]*/extsz=N, /' \
-	-e 's/blocks=[0-9][0-9]*/blocks=N/' \
-	-e 's/imaxpct=[0-9][0-9]*/imaxpct=N/' \
-	-e 's/agsize=[0-9][0-9]*/agsize=N/' \
-	-e 's/agcount=[0-9][0-9]*/agcount=N/' \
-        -e 's/swidth=[0-9][0-9]* blks$/&, unwritten=1/' \
-	-e 's/rtextents=[0-9][0-9]*/rtextents=N/' \
-	-e 's/meta-data=[^ ]*/meta-data=DEV/' \
-        -e 's/ *isize=[0-9]* / isize=N /' \
-	-e '/ *= *sectsz=[0-9][0-9]* *attr=[0-9][0-9]*.*$/d' \
-	-e '/ *= *mmr=[0-9][0-9]* *$/d' \
-	-e 's/ *mixed-case=[YN]//' \
-	-e 's/ *ascii-ci=[01]//' \
-	-e 's/\(version=\)\([12]\)/\1N/' \
-	-e 's/\(sunit=\)\([018] blks\)/\1N blks/' \
-	-e 's/sectsz=[0-9][0-9]* *//' \
-	-e 's/, lazy-count.*//' \
-	-e '/inode-paths/d' \
-	-e 's/\(log[ 	]*=\).*bsize/\1LOG                    bsize/' \
-	-e 's/\(realtime[ 	]*=\).*extsz/\1REALTIME               extsz/' \
-	-e '/.*crc=/d' \
-	-e 's/ *$//' \
-	-e 's/ ftype=[01]//' \
-	-e '/^log stripe unit.*too large/d' \
-	-e '/^log stripe unit adjusted/d' \
-	-e '/Discarding/d' \
-   | grep -v parent
-}
-
-# real QA test starts here
-
-# Modify as appropriate.
-_supported_fs xfs
-_require_scratch
-_require_v2log
-_require_xfs_mkfs_without_validation
-
-# choose .out file based on internal/external log
-rm -f $seqfull.out
-if [ "$USE_EXTERNAL" = yes ]; then
-	ln -s $seq.out.external $seqfull.out
-else
-	ln -s $seq.out.internal $seqfull.out
-fi
-
-# maximum log record size
-max_lr_size=`expr 256 \* 1024`
-
-big_su=`expr $max_lr_size + 4096`
-
-#
-# Test out various mkfs param combinations
-#
-cat >$tmp.seq.params <<EOF
-# su too big but must be a multiple of fs block size too
-  -l version=2,su=`expr $max_lr_size + 512`
-# test log stripe greater than LR size
-  -l version=2,su=$big_su
-# same test but get log stripe from data stripe
-  -l version=2 -d su=$big_su,sw=1
-# test out data stripe
-  -m crc=0 -l version=1 -d su=$big_su,sw=1
-# test out data stripe the same but using sunit & swidth
-  -m crc=0 -l version=1 -d sunit=`expr $big_su / 512`,swidth=`expr $big_su / 512`
-EOF
-
-#
-# call mkfs in a loop for various params
-#
-echo ""
-cat $tmp.seq.params \
-| while read mkfs
-do
-    if echo $mkfs | grep -q '^#'; then
-        # print out header & ignore comment
-	echo $mkfs
-	continue
-    fi
-    echo "--- mkfs=$mkfs ---"
-    export MKFS_OPTIONS="$mkfs"
-    _scratch_mkfs_xfs 2>&1 | mkfs_filter
-    echo ""
-    echo ""
-done
-
-# success, all done
-status=0
-exit
diff --git a/tests/xfs/096.out.external b/tests/xfs/096.out.external
deleted file mode 100644
index 3122330ac..000000000
--- a/tests/xfs/096.out.external
+++ /dev/null
@@ -1,50 +0,0 @@ 
-QA output created by 096
-
-# su too big but must be a multiple of fs block size too
---- mkfs=-l version=2,su=262656 ---
-log stripe unit (262656) must be a multiple of the block size (4096)
-
-
-# test log stripe greater than LR size
---- mkfs=-l version=2,su=266240 ---
-meta-data=DEV isize=N      agcount=N, agsize=N blks
-data     =                       bsize=4096   blocks=N, imaxpct=N
-         =                       sunit=0      swidth=0 blks, unwritten=1
-naming   =version 2              bsize=4096
-log      =LOG                    bsize=4096   blocks=N, version=N
-realtime =REALTIME               extsz=N, blocks=N, rtextents=N
-
-
-# same test but get log stripe from data stripe
---- mkfs=-l version=2 -d su=266240,sw=1 ---
-meta-data=DEV isize=N      agcount=N, agsize=N blks
-data     =                       bsize=4096   blocks=N, imaxpct=N
-         =                       sunit=65     swidth=65 blks, unwritten=1
-naming   =version 2              bsize=4096
-log      =LOG                    bsize=4096   blocks=N, version=N
-         =                       sunit=N blks
-realtime =REALTIME               extsz=N, blocks=N, rtextents=N
-
-
-# test out data stripe
---- mkfs=-m crc=0 -l version=1 -d su=266240,sw=1 ---
-meta-data=DEV isize=N      agcount=N, agsize=N blks
-data     =                       bsize=4096   blocks=N, imaxpct=N
-         =                       sunit=65     swidth=65 blks, unwritten=1
-naming   =version 2              bsize=4096
-log      =LOG                    bsize=4096   blocks=N, version=N
-         =                       sunit=N blks
-realtime =REALTIME               extsz=N, blocks=N, rtextents=N
-
-
-# test out data stripe the same but using sunit & swidth
---- mkfs=-m crc=0 -l version=1 -d sunit=520,swidth=520 ---
-meta-data=DEV isize=N      agcount=N, agsize=N blks
-data     =                       bsize=4096   blocks=N, imaxpct=N
-         =                       sunit=65     swidth=65 blks, unwritten=1
-naming   =version 2              bsize=4096
-log      =LOG                    bsize=4096   blocks=N, version=N
-         =                       sunit=N blks
-realtime =REALTIME               extsz=N, blocks=N, rtextents=N
-
-
diff --git a/tests/xfs/096.out.internal b/tests/xfs/096.out.internal
deleted file mode 100644
index 80201d25b..000000000
--- a/tests/xfs/096.out.internal
+++ /dev/null
@@ -1,51 +0,0 @@ 
-QA output created by 096
-
-# su too big but must be a multiple of fs block size too
---- mkfs=-l version=2,su=262656 ---
-log stripe unit (262656) must be a multiple of the block size (4096)
-
-
-# test log stripe greater than LR size
---- mkfs=-l version=2,su=266240 ---
-meta-data=DEV isize=N    agcount=N, agsize=N blks
-data     =                       bsize=4096   blocks=N, imaxpct=N
-         =                       sunit=0      swidth=0 blks, unwritten=1
-naming   =version 2              bsize=4096
-log      =LOG                    bsize=4096   blocks=N, version=N
-         =                       sunit=N blks
-realtime =REALTIME               extsz=N, blocks=N, rtextents=N
-
-
-# same test but get log stripe from data stripe
---- mkfs=-l version=2 -d su=266240,sw=1 ---
-meta-data=DEV isize=N    agcount=N, agsize=N blks
-data     =                       bsize=4096   blocks=N, imaxpct=N
-         =                       sunit=65     swidth=65 blks, unwritten=1
-naming   =version 2              bsize=4096
-log      =LOG                    bsize=4096   blocks=N, version=N
-         =                       sunit=N blks
-realtime =REALTIME               extsz=N, blocks=N, rtextents=N
-
-
-# test out data stripe
---- mkfs=-m crc=0 -l version=1 -d su=266240,sw=1 ---
-meta-data=DEV isize=N    agcount=N, agsize=N blks
-data     =                       bsize=4096   blocks=N, imaxpct=N
-         =                       sunit=65     swidth=65 blks, unwritten=1
-naming   =version 2              bsize=4096
-log      =LOG                    bsize=4096   blocks=N, version=N
-         =                       sunit=N blks
-realtime =REALTIME               extsz=N, blocks=N, rtextents=N
-
-
-# test out data stripe the same but using sunit & swidth
---- mkfs=-m crc=0 -l version=1 -d sunit=520,swidth=520 ---
-meta-data=DEV isize=N    agcount=N, agsize=N blks
-data     =                       bsize=4096   blocks=N, imaxpct=N
-         =                       sunit=65     swidth=65 blks, unwritten=1
-naming   =version 2              bsize=4096
-log      =LOG                    bsize=4096   blocks=N, version=N
-         =                       sunit=N blks
-realtime =REALTIME               extsz=N, blocks=N, rtextents=N
-
-