On Thu, 06 Jul 2006 11:10:39 -0400
Trond Myklebust <Trond.Myklebust@xxxxxxxxxx> wrote:
> From: David Howells <dhowells@xxxxxxxxxx>
>
> Add a lookup filehandle NFS RPC op so that a file handle can be looked up
> without requiring dentries and inodes and other VFS stuff when doing an NFS4
> pathwalk during mounting.
>
> Signed-Off-By: David Howells <dhowells@xxxxxxxxxx>
> Signed-off-by: Trond Myklebust <Trond.Myklebust@xxxxxxxxxx>
> ---
>
> fs/nfs/nfs4proc.c | 47 +++++++++++++++++++++++++++++++++++++++++++++++
> include/linux/nfs_xdr.h | 3 +++
> 2 files changed, 50 insertions(+), 0 deletions(-)
>
> diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
> index eff6043..7fa2938 100644
> --- a/fs/nfs/nfs4proc.c
> +++ b/fs/nfs/nfs4proc.c
> @@ -1583,6 +1583,52 @@ nfs4_proc_setattr(struct dentry *dentry,
> return status;
> }
>
> +static int _nfs4_proc_lookupfh(struct nfs_server *server, struct nfs_fh *dirfh,
> + struct qstr *name, struct nfs_fh *fhandle,
> + struct nfs_fattr *fattr)
> +{
> + int status;
> + struct nfs4_lookup_arg args = {
> + .bitmask = server->attr_bitmask,
> + .dir_fh = dirfh,
> + .name = name,
> + };
> + struct nfs4_lookup_res res = {
> + .server = server,
> + .fattr = fattr,
> + .fh = fhandle,
> + };
> + struct rpc_message msg = {
> + .rpc_proc = &nfs4_procedures[NFSPROC4_CLNT_LOOKUP],
> + .rpc_argp = &args,
> + .rpc_resp = &res,
> + };
If this is called with any frequency then we might want to take a look at
the code generation quality. gcc doesn't do this well.
-
To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
