return -EOPNOTSUPP; 
struct inode *inode = dentry->d_inode;  if (strcmp(key, XATTR_NAME_NFSV4_ACL) != 0) return -EOPNOTSUPP;  if (!S_ISREG(inode->i_mode) && (!S_ISDIR(inode->i_mode) || inode->i_mode & S_ISVTX)) return -EPERM;  return nfs4_proc_set_acl(inode, buf, buflen); 
int nfs4_setxattr(struct dentry *dentry, const char *key, const void *buf,		size_t buflen, int flags){	return -EOPNOTSUPP;}
10457	/local/tlutelli/issta_data/temp/c/2005_temp/2005/10457/4b580ee3dc00f9828a9a7aad2724f448fdc94075/nfs4proc.c/clean/fs/nfs/nfs4proc.c