On Thu, May 29, 2014 at 02:42:04PM +0200, Lukáš Czerner wrote: > > I wonder what is the performance impact of this change ? Especially > since we're not longer taking the lock only in unaligned aio/dio > case but in all cases ? Thinking about this some more, this is also going to break parallel writes, which would be unfortunate. We might want to change this to using a rw mutex, where writes take a shared lock, and require fallocate to take an exclusive lock.... - Ted -- To unsubscribe from this list: send the line "unsubscribe linux-ext4" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
