On Tue, Dec 20, 2005 at 12:35:17PM +0000, David Woodhouse wrote:
Imagine a 'RAID resync' which only needed to resync those blocks which the file system's journal says have been modified since the state was last consistent...
The fact Linux md doesn't currently deal with that isn't about fs/md splits its about 'nobody has written it'. High level raid stuff tends to keep dirty bitmaps and journals them so that the consistency of any stripe can be established.