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vnode from fd

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vnode from fd

Subject: vnode from fd
From: Joel Reymont <email@hidden>
Date: Tue, 27 Oct 2009 17:17:36 +0000

I'm trying to capture the vnode of a file in dtrace.

I couldn't find a probe in fbt that would give me access to the path of the file and the vnode so I thought that perhaps I could grab the file via the file descriptor. Is this possible at all?

Basically, I need to map file names to vnodes and I need to do it in a probe within dtrace. The reason for this is to be able to track the vnode in fbt probes like vnode_pagein.

Any suggestions?

	Thanks, Joel

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