On Monday 28 January 2008 05:13:09 Trond Myklebust wrote: > > On Mon, 2008-01-28 at 03:58 +0100, Andi Kleen wrote: > > The problem is that it's not a race in who gets to do its thing first, but a > > parallel reader can actually see a corrupted value from the two independent > > words on 32bit (e.g. during a 4GB). And this could actually completely corrupt > > f_pos when it happens with two racing relative seeks or read/write()s > > > > I would consider that a bug. > > I disagree. The corruption occurs because this isn't a situation that is > allowed by either POSIX or SUSv2/v3. Exactly what spec are you referring > to here? No specific spec, just general quality of implementation. We normally don't have non thread safe system calls even if it was in theory allowed by some specification. -Andi - To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
