Are VFS modules stackable?
jra at samba.org
Mon Apr 7 12:40:13 MDT 2014
On Mon, Apr 07, 2014 at 07:39:12PM +0200, Jiri Sasek wrote:
> Hi all,
> SAM-QFS 5.3 has NFSv4 ACL (based on Solaris acl(2) interface
> ...similar to ZFS) so I was testing the following (share)
> path = /samfs1/.....
> comment = SAM-QFS share
> browseable = yes
> readonly = no
> inherit permissions = yes
> inherit acls = yes
> acl map full control = no
> dos filemode = yes
> ; To store the DOS attributes in extended attributes.
> ; https://bugzilla.samba.org/show_bug.cgi?id=5135#c5
> ; set the VFS module
> vfs objects = zfsacl
> ; store the alternate data stream in ext-attributes
> vfs objects = streams_xattr
> ; AIO
> aio read size = 1
> aio write size = 1
> vfs objects = aio_pthread
> ; Off-line files support
> vfs objects = samfs
> ...and it looks only *one* module (first used ...Solaris uses
> lazy-load by default) was available / share.
> Did I configured anything wrong or only one/share VFS module is
> available in Samba?
> Please correct me if I am wrong but I remember something like a
> opaque/transparent calls in VFS modules ...so I was convinced about
> stack-ability of VFS modules.
You're doing it wrong :-).
Each new 'vfs objects = ' will override
the previous one.
To stack you need to have :
vfs objects = zfsacl, samfs, aio_pthread
(put the aio_pthread last as that's not
a stackable module).
on *one* line.
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