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 da...@fromorbit.com -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
