On Wed, Sep 21, 2011 at 10:58:14AM -0400, J. Bruce Fields wrote: > A read lease is used by NFSv4 as a guarantee that a client can perform > local read opens without informing the server. > > The open operation takes the last component of the pathname as an > argument, thus is also a lookup operation, and giving the client the > above guarantee means informing the client before we allow anything that > would change the set of names pointing to the inode. That seems like totally strange semantics. A useful defintion of a lase operation would mean it guarantees I/O can happen, and wouldn't care about metadata operation. That's the whole point in adding a stateful open to nfs4, isn't it? -- 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
