On Wed, 28 November 2007 16:06:25 -0800, Nicholas Miell wrote: > > I'd have to reread the original proposal, but I remember FIEMAP as being > a generalized way of getting information about a files extents. I think > the original proposal only dealt with mapping file offsets to physical > extents, but IIRC the interface was flexible enough to implement a > "where are the holes" request. > > Regardless, SEEK_HOLE/SEEK_DATA being a better suited interface for the > needs of logfs doesn't make it the best interface for that need. I'm not sure we are looking for the best interface. A significant improvement without significant drawbacks would be enough for me. Having to provide "physical extends" complete with device offsets would be a significant drawback. Even if such an interface may have greater advantages under ideal circumstances. Jörn -- He who knows others is wise. He who knows himself is enlightened. -- Lao Tsu - To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
