[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: [Gluster-devel] regressions due to 64-bit ext4 directory cookies
From: |
Theodore Ts'o |
Subject: |
Re: [Gluster-devel] regressions due to 64-bit ext4 directory cookies |
Date: |
Wed, 13 Feb 2013 10:14:55 -0500 |
User-agent: |
Mutt/1.5.21 (2010-09-15) |
On Wed, Feb 13, 2013 at 08:31:31AM -0500, J. Bruce Fields wrote:
> They're assuming they can take the high bits of the cookie for their own
> use.
>
> (In more detail: they're spreading a single directory across multiple
> nodes, and encoding a node ID into the cookie they return, so they can
> tell which node the cookie came from when they get it back.)
>
> That works if you assume the cookie is an "offset" bounded above by some
> measure of the directory size, hence unlikely to ever use the high
> bits....
Right, but why wouldn't a nfs export option solave the problem for
gluster?
Basically, it would be nice if we did not have to degrade locally
running userspace applications by globally turning off 64-bit telldir
cookies just because there are some broken cluster file systems and
nfsv3 clients out there. And if we are only turning off 64-bit
cookies for NFS, wouldn't it make sense to make this be a NFS export
option, as opposed to a mount option?
Regards,
- Ted
Message not available
- Re: [Gluster-devel] regressions due to 64-bit ext4 directory cookies, J. Bruce Fields, 2013/02/13
- Re: [Gluster-devel] regressions due to 64-bit ext4 directory cookies,
Theodore Ts'o <=
- Re: [Gluster-devel] regressions due to 64-bit ext4 directory cookies, J. Bruce Fields, 2013/02/13
- Re: [Gluster-devel] regressions due to 64-bit ext4 directory cookies, Theodore Ts'o, 2013/02/13
- Re: [Gluster-devel] regressions due to 64-bit ext4 directory cookies, J. Bruce Fields, 2013/02/13
- Re: [Gluster-devel] regressions due to 64-bit ext4 directory cookies, Myklebust, Trond, 2013/02/13
- Re: [Gluster-devel] regressions due to 64-bit ext4 directory cookies, J. Bruce Fields, 2013/02/13
- Re: [Gluster-devel] regressions due to 64-bit ext4 directory cookies, Myklebust, Trond, 2013/02/13
- Re: [Gluster-devel] regressions due to 64-bit ext4 directory cookies, Dave Chinner, 2013/02/14
Re: [Gluster-devel] regressions due to 64-bit ext4 directory cookies, Anand Avati, 2013/02/13
Re: [Gluster-devel] regressions due to 64-bit ext4 directory cookies, Theodore Ts'o, 2013/02/13
Re: [Gluster-devel] regressions due to 64-bit ext4 directory cookies, Joe Julian, 2013/02/13