On Thu, Feb 05, 2015 at 04:16:19PM +0200, Boaz Harrosh wrote: > On 02/03/2015 11:09 PM, Anna Schumaker wrote: > > The NFS implementation of fallocate() does not support passing the > > KEEP_SIZE flag by itself, causing tests to randomly fail. > > > > This I do not understand please explain. If all the other FSs just ignore > a trivial case, then why should NFS not ignore it the same as all > other filesystems. > > Why NFS is allowed to be special. (And apparently break user code xfs > being an example of one) fsx is a test tool. We've never guaranteed that a filesystem needs to support all or a special subset of fallocate options. The NFSv4.2 protocol doesn't support preallocations beyond the file size, which is something I decided would be to horrible to refit into the NFS file abstraction when rewriting the preallocation / reservation section of the spec. -- To unsubscribe from this list: send the line "unsubscribe linux-nfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
