NFSv4: convert fs-locations-components to conform to RFC3530

[karo-tx-linux.git] / fs / nfs / nfs4proc.c

diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index 308407205e6c2f8d09b0b38c3d9ec040ec21441b..043223a0eda63a2ed56504569c90e5d2709df1db 100644 (file)
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -3570,6 +3570,35 @@ ssize_t nfs4_listxattr(struct dentry *dentry, char *buf, size_t buflen)
        return len;
 }
 
+int nfs4_proc_fs_locations(struct inode *dir, struct dentry *dentry,
+               struct nfs4_fs_locations *fs_locations, struct page *page)
+{
+       struct nfs_server *server = NFS_SERVER(dir);
+       u32 bitmask[2] = {
+               [0] = server->attr_bitmask[0] | FATTR4_WORD0_FS_LOCATIONS,
+               [1] = server->attr_bitmask[1],
+       };
+       struct nfs4_fs_locations_arg args = {
+               .dir_fh = NFS_FH(dir),
+               .name = &dentry->d_name,
+               .page = page,
+               .bitmask = bitmask,
+       };
+       struct rpc_message msg = {
+               .rpc_proc = &nfs4_procedures[NFSPROC4_CLNT_FS_LOCATIONS],
+               .rpc_argp = &args,
+               .rpc_resp = fs_locations,
+       };
+       int status;
+
+       dprintk("%s: start\n", __FUNCTION__);
+       fs_locations->fattr.valid = 0;
+       fs_locations->server = server;
+       status = rpc_call_sync(server->client, &msg, 0);
+       dprintk("%s: returned status = %d\n", __FUNCTION__, status);
+       return status;
+}
+
 struct nfs4_state_recovery_ops nfs4_reboot_recovery_ops = {
        .recover_open   = nfs4_open_reclaim,
        .recover_lock   = nfs4_lock_reclaim,