svn commit: r248625 - head/sbin/fsck_ffs

[Sean Bruno]

On Fri, 2013-03-22 at 21:50 +0000, Kirk McKusick wrote:
> Author: mckusick
> Date: Fri Mar 22 21:50:43 2013
> New Revision: 248625
> URL: http://svnweb.freebsd.org/changeset/base/248625
> 
> Log:
>   Speed up fsck by caching the cylinder group maps in pass1 so
>   that they do not need to be read again in pass5. As this nearly
>   doubles the memory requirement for fsck, the cache is thrown away
>   if other memory needs in fsck would otherwise fail. Thus, the
>   memory footprint of fsck remains unchanged in memory constrained
>   environments.


Going to shovel this into svn in a minute.  This repairs the clang
build.

http://people.freebsd.org/~sbruno/fsutil_c.txt

Sean
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