Re: svn commit: r232619 - in head: . sys/amd64/conf sys/arm/conf sys/i386/conf sys/ia64/conf sys/mips/conf sys/pc98/conf sys/powerpc/conf sys/sparc64/conf

2012-03-06 Thread Attilio Rao
2012/3/6, Attilio Rao atti...@freebsd.org:
 Author: attilio
 Date: Tue Mar  6 20:01:25 2012
 New Revision: 232619
 URL: http://svn.freebsd.org/changeset/base/232619

 Log:
   Disable the option VFS_ALLOW_NONMPSAFE by default on all the supported
   platforms.
   This will make every attempt to mount a non-mpsafe filesystem to the
   kernel forbidden, unless it is expressely compiled with
   VFS_ALLOW_NONMPSAFE option.

This is just a gentle reminder in order to point you further to the
official page:
http://wiki.freebsd.org/NONMPSAFE_DEORBIT_VFS

and to mention that the time for removing non-mpsafe filesystem is approaching.
In 6 months we will disconnect from the tree the non-mpsafe
filesystems and will remove the whole non-mpsafe handling
infrastructure in the VFS and the buffer cache, thus please think
about stepping up and convert your favourite filesystem.

Thanks,
Attilio


-- 
Peace can only be achieved by understanding - A. Einstein
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Re: svn commit: r232619 - in head: . sys/amd64/conf sys/arm/conf sys/i386/conf sys/ia64/conf sys/mips/conf sys/pc98/conf sys/powerpc/conf sys/sparc64/conf

2012-03-06 Thread Gary Palmer
On Tue, Mar 06, 2012 at 08:07:39PM +, Attilio Rao wrote:
 2012/3/6, Attilio Rao atti...@freebsd.org:
  Author: attilio
  Date: Tue Mar  6 20:01:25 2012
  New Revision: 232619
  URL: http://svn.freebsd.org/changeset/base/232619
 
  Log:
Disable the option VFS_ALLOW_NONMPSAFE by default on all the supported
platforms.
This will make every attempt to mount a non-mpsafe filesystem to the
kernel forbidden, unless it is expressely compiled with
VFS_ALLOW_NONMPSAFE option.
 
 This is just a gentle reminder in order to point you further to the
 official page:
 http://wiki.freebsd.org/NONMPSAFE_DEORBIT_VFS
 
 and to mention that the time for removing non-mpsafe filesystem is 
 approaching.
 In 6 months we will disconnect from the tree the non-mpsafe
 filesystems and will remove the whole non-mpsafe handling
 infrastructure in the VFS and the buffer cache, thus please think
 about stepping up and convert your favourite filesystem.

Given that the wiki page still has:

 Technical notes on locking Filesystems
 
 TBD

it would be useful to people who aren't filesystem locking experts to have
a little more information on the wiki

Thanks,

Gary
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