On Thu, 16 Nov 2006 12:37:17 +0300 Alex Tomas <[email protected]> wrote: > >>>>> Andrew Morton (AM) writes: > > AM> What lock protects the fields in struct ext[234]_reserve_window from being > AM> concurrently modified by two CPUs? None, it seems. Ditto > AM> ext[234]_reserve_window_node. i_mutex will cover it for write(), but not > AM> for pageout over a file hole. If we end up with a zero- or negative-sized > AM> window then odd things might happen. > > truncate_mutex? > yes. hmm. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] 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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