POSIX ACLs: useless and expensive- April 3, 2007 I wish I'd not mentioned POSIX ACLs a few posts back, because now I feel compelled to talk about them despite their irrelevance. So I'll keep this short.I was doing some testing recently that required quite a bit of output, and since Linux does such a good job of caching file system data (both metadata and userdata), I was using "ls -lR" on a tree of about 100,000 files spread over 10,000 directories. Curious as to what it would do, I ran it under strace(1) and found that not only does it call..http://elliotth.blogspot.com/2007/04/posix-acls-useless-and-expensive.html |