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From: hooanon05@yahoo.co.jp
To: Mimi Zohar <zohar@us.ibm.com>
Cc: linux-kernel@vger.kernel.org, david safford <safford@watson.ibm.com>
Subject: Re: IMA and fs
Date: Fri, 17 Apr 2009 22:57:46 +0900	[thread overview]
Message-ID: <11555.1239976666@jrobl> (raw)
In-Reply-To: <OF1283DDC6.0AD2926E-ON8525759B.004938DD-8525759B.004A1887@us.ibm.com>


Mimi Zohar:
> > xfs_iget() holds spinlock before xfs_iget_cache_hit(), and
> > ima_inode_alloc() cannot use GFP_KERNEL.
> 
> This looks similar to the xfs - IMA problem discussed
> http://lkml.org/lkml/2009/2/20/327.

Yes, the same issue.
I didn't know it was discussed before.
So what is the conclusion? Are you waiting for fixing the spinlock in
xfs?


> > Does nfsd_open() need to to call ima_path_check()?
	:::
> Yes, in order for the open/free to be balanced in ima_file_free().

Then how about putting ima_path_check() into __dentry_open() instead of
may_open()?


J. R. Okajima

  reply	other threads:[~2009-04-17 13:58 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-04-16 13:19 IMA and fs hooanon05
2009-04-17 13:29 ` Mimi Zohar
2009-04-17 13:57   ` hooanon05 [this message]
2009-04-17 18:20     ` Mimi Zohar

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