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Date: Mon, 16 Jul 2007 13:40:23 -0700 From: "H. Peter Anvin" <hpa@...or.com> To: Jeff Garzik <jeff@...zik.org> CC: Miklos Szeredi <miklos@...redi.hu>, jeremy@...p.org, jengelh@...putergmbh.de, viro@....linux.org.uk, nmiell@...cast.net, linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org Subject: Re: *at syscalls for xattrs? Jeff Garzik wrote: >> >> Well, as Jeremy pointed out, in the absence of threads you can do the >> same thing with fchdir(), however, that's much more of a hack. > > My posixutils project (coreutils replacement) used fchdir(2), but that > still doesn't get you 100% race-free. It gets you close, yes. > I guess you're horked in the case where a single system call (e.g. rename()) needs more than one pathname. Yet another reason why a single cwd isn't enough. -hpa - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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