On Wed, Dec 14, 2011 at 02:22:07PM -0500, Ric Wheeler wrote: > We had an active thread a couple of years back that came out of the > reflink work and, at the time, there seemed to be moderately > positive support for adding a new system call that would fit this > use case (Joel Becker's copyfile()). > > Can we resurrect this effort? Is copyfile() still a good way to go, > or should we look at other hooks? copyfile(2) is probably a good way to go, provided that we do _not_ go baroque as it had happened the last time syscall had been discussed. IOW, to hell with progress reports, etc. - just a fastpath kind of thing, in the same kind of relationship to cp(1) as rename(2) is to mv(1). If it works - fine, if not - caller has to be ready to deal with handling cross-device case anyway. -- 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