"J. Bruce Fields" <bfields@xxxxxxxxxxxx> writes: > On Thu, Feb 24, 2011 at 06:06:00PM +0100, Ferenc Wagner wrote: >> "J. Bruce Fields" <bfields@xxxxxxxxxxxx> writes: >> >>> On Tue, Feb 22, 2011 at 06:05:14PM +0100, Ferenc Wagner wrote: >>> >>>> "J. Bruce Fields" <bfields@xxxxxxxxxxxx> writes: >>>> >>>>> - In the NFSv4.1 case there is a "reclaim complete" rpc that >>>>> clients are required to send. Currently we don't take >>>>> advantage of that to end the grace period early, but we >>>>> should. That's no help for 4.0 clients. >>>> >>>> /proc/fs/nfsd/versions shows +4.1 on the server, does this mean that >>>> nfs4 type Linux client mounts should issue "reclaim complete"? >>> >>> It means that a 4.1 is supported, so a client *could* use 4.1 if it >>> asked to. And if it did use 4.1, yes, it would be required to issue >>> reclaim complete. Current linux clients do not use 4.1 unless you >>> explicitly ask for it on the mount commandline. >> >> I can't find any mention of 4.1 in man nfs (nfs-common version 1.2.2), >> is there an undocumented nfsvers=4.1 mount option or some other means? > > -ominorversion=1 Hmm, looks like this feature didn't make it into the squeeze version of mount.nfs4. And it's disabled in the kernel, anyway. >>> (Aside: the server really shouldn't have +4.1 by default, as the 4.1 >>> server is not done. We should fix that; which distro are you using?) >> >> Debian squeeze. If it's switchable, then it's possible I switched it >> on, I can't remember. However, 4.1 client support is disabled in the >> stock kernel config, and 4.1 server support isn't even mentioned: > > There's no separate config option, but the kernel keeps it off by > default. I think nfs-utils is overriding the kernel's default. We > should fix that. At least I can't find any occurence of fs/nfsd/version in my startup and config scripts. -- Regards, Feri. -- 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
