On Monday May 26, bo@anthologysolutions.com wrote: > Hello, > > I want to write the data to the fixed sector with the same size frequently > just like MD super block, but I do not want to sync and flush the dev > on each write. > > For example, to write md super block in /drivers/md/md.c I suggest you look at a newer md.c. With 2.4.21pre or 2.5.* have "sync_page_io" which does what you want more effectively. NeilBrown - To unsubscribe from this list: send the line "unsubscribe linux-raid" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html