From: Valdis.Kletnieks@vt.edu
To: Mimi Zohar <zohar@linux.vnet.ibm.com>
Cc: linux-kernel@vger.kernel.org,
linux-security-module@vger.kernel.org,
linux-fsdevel@vger.kernel.org, hch@infradead.org,
warthog9@kernel.org, david@fromorbit.com, jmorris@namei.org,
kyle@mcmartin.ca, hpa@zytor.com, akpm@linux-foundation.org,
torvalds@linux-foundation.org, mingo@elte.hu, eparis@redhat.com,
viro@zeniv.linux.org.uk, Matthew Wilcox <matthew@wil.cx>,
Mimi Zohar <zohar@us.ibm.com>
Subject: Re: [PATCH 2/4] IMA: maintain i_readcount in the VFS layer
Date: Fri, 29 Oct 2010 10:13:38 -0400 [thread overview]
Message-ID: <6166.1288361618@localhost> (raw)
In-Reply-To: Your message of "Thu, 28 Oct 2010 18:02:03 EDT." <1288303325-9628-3-git-send-email-zohar@linux.vnet.ibm.com>
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On Thu, 28 Oct 2010 18:02:03 EDT, Mimi Zohar said:
> ima_counts_get() updated the readcount and invalidated the PCR,
> as necessary. Only update the i_readcount in the VFS layer.
> Move the PCR invalidation checks to ima_file_check(), where it
> belongs.
>
> Maintaining the i_readcount in the VFS layer, will allow other
> subsystems to use i_readcount.
Would a symmetric i_writecount be useful for anything? If it existed,
could any code be simplified elsewhere?
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next prev parent reply other threads:[~2010-10-29 14:13 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-10-28 22:02 [PATCH 0/4] IMA: making i_readcount a first class inode citizen Mimi Zohar
2010-10-28 22:02 ` [PATCH 1/4] IMA: define readcount functions Mimi Zohar
2010-10-28 22:02 ` [PATCH 2/4] IMA: maintain i_readcount in the VFS layer Mimi Zohar
2010-10-29 14:13 ` Valdis.Kletnieks [this message]
2010-10-29 15:15 ` Valdis.Kletnieks
2010-10-28 22:02 ` [PATCH 3/4] IMA: remove IMA imbalance checking Mimi Zohar
2010-10-28 22:02 ` [PATCH 4/4] IMA: making i_readcount a first class inode citizen Mimi Zohar
2010-10-28 22:24 ` [PATCH 0/4] " Dave Chinner
2010-10-28 22:29 ` Linus Torvalds
2010-10-28 22:38 ` Mimi Zohar
2010-10-28 22:46 ` Linus Torvalds
2010-10-28 23:25 ` Al Viro
2010-10-28 22:45 ` Eric Paris
2010-10-29 0:30 ` Mimi Zohar
2010-11-06 10:44 ` Pavel Machek
2010-11-05 1:12 ` J. Bruce Fields
2010-11-05 11:08 ` Mimi Zohar
2010-11-05 16:28 ` J. Bruce Fields
2010-11-05 17:38 ` Mimi Zohar
2010-11-05 19:08 ` J. Bruce Fields
2010-11-05 20:58 ` J. Bruce Fields
2010-11-07 0:03 ` Mimi Zohar
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