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Hello, I'm writing an application that makes pretty extensive use of extended attributes to store file attributes on Ext2. I used a profiling tool developed by my colleague Nikolai Joukov at SUNY Stony Brook to dig a bit deeper into the performance of my application. In the course of my benchmark, there are 54247 setxattr operations during a 54 seconds. They use about 10.56 seconds of the time, which seemed to be a rather outsized performance toll to me (~40k writes took only 10%...