static talpa_mount_struct* talpa_lookup_mnt_last(struct vfsmount *mnt, struct dentry *dentry)
{
#ifdef TALPA_HAVE_LOOKUP_MNT_LAST
TALPA_PTR_FIX lookup_mnt_last_func lookup_mnt_last = (lookup_mnt_last_func)talpa_get_symbol("__lookup_mnt_last", (void *)TALPA__LOOKUP_MNT_LAST);
return lookup_mnt_last(mnt, dentry);
#endif
#ifdef TALPA_HAVE_LOOKUP_MNT
TALPA_PTR_FIX lookup_mnt_func lookup_mnt = (lookup_mnt_func)talpa_get_symbol("__lookup_mnt", (void *)TALPA__LOOKUP_MNT);
return lookup_mnt(mnt, dentry, 0);
#endif
return NULL;
}
/* Traverse a dentry's list of vfsmounts and return the number of
non-busy mounts */
static int check_vfsmnt(struct vfsmount *mnt, struct dentry *dentry)
{
int ret = dentry->d_mounted;
struct vfsmount *vfs = lookup_mnt(mnt, dentry);
if (vfs) {
mntput(vfs);
if (is_vfsmnt_tree_busy(vfs))
ret--;
}
DPRINTK(("check_vfsmnt: ret=%d\n", ret));
return ret;
}
