On Wed, Nov 30, 2011 at 01:33:32PM +0000, Alasdair G Kergon wrote: > Have I missed something in this > reasoning, Mikulas? Ah - counter-example: mmap? So sync might indeed be required to block on the filesystem iff there are newly-dirtied pages. Alasdair -- dm-devel mailing list dm-devel@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/dm-devel