Messages in this thread | | | Date | Thu, 6 Jun 2013 13:48:32 +1000 | From | Dave Chinner <> | Subject | Re: [PATCH 0/3 v3] dcache: make it more scalable on large system |
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On Wed, May 29, 2013 at 10:37:00PM +0200, Andi Kleen wrote: > > As Dave said before, is the last path component sufficient? Or how > > about an inode number? > > Neither works, the profiler needs to find the file and read it. > > inode searching would be incredible expensive, unless the file system > provided a "open-by-inode" primitive
That's effectively what fs/fhandle.c gives you.
Cheers,
Dave. -- Dave Chinner david@fromorbit.com
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