Robert Thurlow wrote: > Garrett D'Amore wrote: > >> I'm confused. Brian says that archivers Just Work with the current >> form, because the attributes are retained. Yet, you're saying that >> the attributes are not necessarily retained. Which is it? Right >> now, either way, you have an attribute... which I *think* means that >> the you need support (which may or may not be present) in the archivers. > > I know that some archivers in use today will not create a different > bitstream for a reparse point than for a regular symlink, but I > believe our intent to set the bit on restore or create means that > we don't have to teach all archivers about the new bit. If any > Sun-maintained archivers are aware, that's fine, but this should > work with GNU tar, too.
Okay, that's an important detail that I missed somewhere. (Was it in the original spec?) > > Logically, that bit is only a way for the NFS/CIFS server > code to avoid having to read the symlink data to understand > that it's touched a reparse point. We want this because the > referral is a two-part deal - we return an "it's not here" > error to the client first, and then respond to a followup > query later. The sysattr makes an NFSv4 READDIR op able to > avoid N accesses to symlink data. OK. -- Garrett > > Rob T