svn commit: r187069 - stable/7/sbin/fsck_ffs

[Ben Kaduk]

On Sun, Jan 11, 2009 at 7:39 PM, Xin LI <delphij at freebsd.org> wrote:
> Author: delphij
> Date: Mon Jan 12 00:39:22 2009
> New Revision: 187069
> URL: http://svn.freebsd.org/changeset/base/187069
>
> Log:
>  MFC revisions 178088 and 179656: Catastrophic recovery mode.
>
> Modified:
>  stable/7/sbin/fsck_ffs/   (props changed)
>  stable/7/sbin/fsck_ffs/fsck.h
>  stable/7/sbin/fsck_ffs/fsck_ffs.8
>  stable/7/sbin/fsck_ffs/fsutil.c
>  stable/7/sbin/fsck_ffs/inode.c
>  stable/7/sbin/fsck_ffs/main.c
>
> Modified: stable/7/sbin/fsck_ffs/fsck.h
> ==============================================================================
> Modified: stable/7/sbin/fsck_ffs/fsck_ffs.8
> ==============================================================================
> --- stable/7/sbin/fsck_ffs/fsck_ffs.8   Sun Jan 11 23:19:17 2009        (r187068)
> +++ stable/7/sbin/fsck_ffs/fsck_ffs.8   Mon Jan 12 00:39:22 2009        (r187069)
> @@ -29,7 +29,7 @@
>  .\"    @(#)fsck.8      8.4 (Berkeley) 5/9/95
>  .\" $FreeBSD$
>  .\"
> -.Dd April 24, 2001
> +.Dd April 10, 2008
>  .Dt FSCK_FFS 8
>  .Os
>  .Sh NAME
> @@ -38,7 +38,7 @@
>  .Nd file system consistency check and interactive repair
>  .Sh SYNOPSIS
>  .Nm
> -.Op Fl BFpfny
> +.Op Fl BCFpfny
>  .Op Fl b Ar block
>  .Op Fl c Ar level
>  .Op Fl m Ar mode
> @@ -175,6 +175,26 @@ Use the block specified immediately afte
>  the super block for the file system.
>  An alternate super block is usually located at block 32 for UFS1,
>  and block 160 for UFS2.
> +.It Fl C
> +Run
> +.Nm
> +in 'catastrophic recovery' mode, which will enable certain aggressive
> +operations that can make
> +.Nm
> +to survive with file systems that has very serious data damage, which
> +is an useful last resort when on disk data damage is very serious
> +and causes
> +.Nm
> +to crash otherwise.  Be
> +.Em very careful
> +using this flag, is dangerous if there are data transmission hazards

I guess I missed this in HEAD, but there seems to be a missing 'it'
before 'is dangerous'.

-Ben Kaduk