On Apr 21, 2006, at 9:23 PM, Tom Rhodes wrote:

On Fri, 21 Apr 2006 16:15:15 +0100 (BST)
Robert Watson <[EMAIL PROTECTED]> wrote:


On Fri, 21 Apr 2006, Tom Rhodes wrote:

trhodes     2006-04-21 07:14:25 UTC

 FreeBSD src repository

 Modified files:
   sys/ufs/ffs          ffs_vfsops.c
 Log:
Remove what I believe are two useless ifdefs. If a user or administrator enables multilabel, or any option for that matter, most likely they have a reason. This will allow users to see that mulilabel is enabled via an issued "mount" command and remove an annoying warning - printed only when
 a MAC kernel is not installed - on boot up.

This seems incorrect to me. You have also removed the warnings associated with trying to use multi-label and ACL-enabled file systems on kernels not configured to support them, which can lead to highly undesirable behavior, hence the warnings. The mount point flags are intended to reflect the current mode of operation, and setting the flags when the operational mode isn't
supported doesn't seem right.


4: With regards to number 2, I think the option should at least
   be spit out with all other options when using mount(8) to
   review file system information.

You might want to look at softupdates as a prior example. If you marked a filesystem with softupdates but didn't have softupdates compiled into the
kernel, mount didn't show softupdates as being enabled (IIRC).  I think
mount should show you the actual features of the filesystem that are actually
working rather than implying that an optional feature is working when it
actually isn't. If you are depending on the labels for security purposes, I think it is useful to know if you boot a kernel that is missing the required
support and potentially leaves your data unprotected.

I'll revert it if you feel strongly about it; however, I want it
to be known what my opinion is.  And I find the warnings
extremely annoying and have answered at least one question as
to why "mount don't show me correct output."  Yes, real quote.  :)

mount != tunefs.  tunefs will tell you what options are enabled in the
filesystem, but I think mount should only tell you the options that are
actually in force.

--
John Baldwin <[EMAIL PROTECTED]>  <><  http://www.FreeBSD.org/~jhb/
"Power Users Use the Power to Serve"  =  http://www.FreeBSD.org

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