On Fri, Oct 03 2008, Matthew Wilcox wrote: > It is today the case in Linux that each extent will be sent from the > filesystem to the block layer individually. I can't speak to other > operating systems, maybe some of them allow filesystems to send a list > of extents to the SCSI layer, maybe their SCSI layer can take extents > out of the queue and bundle them together into a single command. We do that for lots of regular IO as well, but still support merging them into a single command - the same could be done for trim, basically making any of them mergable into a single command. -- Jens Axboe -- To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
