On Sat, Jan 06, 2007 at 12:16:11PM -0800, Andrew Morton wrote: > On Sat, 6 Jan 2007 22:58:31 +0300 > Alexey Dobriyan <adobriyan@xxxxxxxxx> wrote: > > --- a/fs/ext2/namei.c > > +++ b/fs/ext2/namei.c > > @@ -70,6 +70,7 @@ static struct dentry *ext2_lookup(struct > > return d_splice_alias(inode, dentry); > > } > > > > +#if defined(CONFIG_EXPORTFS) || defined(CONFIG_EXPORTFS_MODULE) > > struct dentry *ext2_get_parent(struct dentry *child) > > hm. Officially, one module isn't supposed to know about the presence of > another one at compile-time. Whole new requirement. > Someone might want to come along and later > configure and compile the nfsd module and then try to load it into a kernel > which wasn't compiled with nfsd enabled. methinks, this is not a case. agrep _MODULE -n | grep defined -w shows plenty of cases, where code is conditionally compiled out with CONFIG_IPV6 being the major "offender". > But given that both modules are in mainline I suspect that nobody would > really be doing that in practice, and in the case of nfsd it might not even > work. Yes, compat_sys_nfsservctl() is conditionally compiled in. I interpret CONFIG_FOO=n as "I am not going to use FOO, not now, not in future". - 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