> +struct fuse_inode_handle
> +{
> + u64 nodeid;
> + u32 generation;
> +};
This is the same filehandle type XFS uses for 64bit inode filesystems
where the parent is not encoded. I'll post a patch soon to move that
64bit inode handling to common code. I don't think it's a good idea
to delay your patch until that happens, but can you chose the fid
types to be the same as XFS does currently so that a conversion is
easily possible. The fh_type should be 0x81 (fh type 1 order by 0x80
to imply it's 64bit inodes)
In case you want to look at that patch I'v uploaded the current
version at http://verein.lst.de/~hch/generic-64bit-inode-export
> +static struct dentry *fuse_get_dentry(struct super_block *sb,
> + struct fuse_inode_handle *handle)
> +{
> + struct inode *inode;
> + struct dentry *entry;
> + int err = -ESTALE;
> +
> + if (handle->nodeid == 0)
> + goto out_err;
> +
> + inode = ilookup5(sb, handle->nodeid, fuse_inode_eq, &handle->nodeid);
> + if (!inode)
> + goto out_err;
Only finding in-memory inodes for nfs export is quite dangerous. I
think it would be a much better idea to support whatever upcalls are
needed to find the object if it's not in memory. Without that the nfs
exporting support is hardly useable.
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