On Wed, Mar 30, 2016 at 05:32:42PM -0700, Liu Bo wrote: > Well, btrfs fallocate doesn't allocate space if it's a shared one > because it thinks the space is already allocated. So a later overwrite > over this shared extent may hit enospc errors. And this makes it an incorrect implementation of posix_fallocate, which glibcs implements using fallocate if available. _______________________________________________ xfs mailing list xfs@xxxxxxxxxxx http://oss.sgi.com/mailman/listinfo/xfs