Dave Chinner wrote: > > It's not harmful but suggests it might do something important - > > e.g. provide atomicity between the fsync and getting extends. > > It does precisely that. Ok - so nobody can modify the file in between? Is that useful, given the file can be modified as soon as FIEMAP returns anyway? I suppose it does ensure all the instantiated data blocks will be allocated on disk in the returned extents. -- Jamie -- 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