On 2010-12-08, at 10:27, J. Bruce Fields wrote: > On Wed, Dec 08, 2010 at 10:16:29AM -0700, Andreas Dilger wrote: >> It looks like mk_fsid() is only actually using the UUID if it is specified in the /etc/exports file (AFAICS, this depends on ex_uuid being set from a uuid="..." option). > > No, if you look at the nfs-utils source you'll find mountd sets a uuid > by default (in utils/mountd/cache.c:uuid_by_path()). Unfortunately, this only works for block devices, not network filesystems. >> There was a patch in the open_by_handle() patch series that added an s_uuid field to the superblock, that could be used if no uuid= option is specified in the /etc/exports file. > > Agreed that doing this in the kernel would probably be simpler. Agreed. Cheers, Andreas -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
