Jan Kara <[EMAIL PROTECTED]> writes: > Hello! > > In thread http://lkml.org/lkml/2007/3/9/403, we discussed a problem > with the current heuristic for detecting sequential IO in > do_generic_mapping_read() - for small files a page is marked as accessed > only once which can cause a performance problems. > Attached is a patch that improves the heuristic by introducing a > ra.offset variable so now we can reliably detect sequetial reads. > The patch replaces Nick's patch from http://lkml.org/lkml/2007/3/15/177 > (Nick has acked to replace the patch). Could you please put the patch > into -mm?
There's a much more complete patchkit for this that gets reposted regularly on l-k. Perhaps it would make sense to test that first? -Andi - 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/
