/*
* smb_ofile_lookup_by_uniqid
*
* Find the open file whose uniqid matches the one specified in the request.
*/
smb_ofile_t *
smb_ofile_lookup_by_uniqid(smb_tree_t *tree, uint32_t uniqid)
{
smb_llist_t *of_list;
smb_ofile_t *of;
ASSERT(tree->t_magic == SMB_TREE_MAGIC);
of_list = &tree->t_ofile_list;
smb_llist_enter(of_list, RW_READER);
of = smb_llist_head(of_list);
while (of) {
ASSERT(of->f_magic == SMB_OFILE_MAGIC);
ASSERT(of->f_tree == tree);
if (of->f_uniqid == uniqid) {
if (smb_ofile_hold(of)) {
smb_llist_exit(of_list);
return (of);
}
}
of = smb_llist_next(of_list, of);
}
smb_llist_exit(of_list);
return (NULL);
}
/*
* Get the next open ofile in the list. A reference is taken on
* the ofile, which can be released later with smb_ofile_release().
*
* If the specified ofile is NULL, search from the beginning of the
* list. Otherwise, the search starts just after that ofile.
*
* Returns NULL if there are no open files in the list.
*/
static smb_ofile_t *
smb_tree_get_ofile(smb_tree_t *tree, smb_ofile_t *of)
{
smb_llist_t *ofile_list;
ASSERT(tree);
ASSERT(tree->t_magic == SMB_TREE_MAGIC);
ofile_list = &tree->t_ofile_list;
smb_llist_enter(ofile_list, RW_READER);
if (of) {
ASSERT(of->f_magic == SMB_OFILE_MAGIC);
of = smb_llist_next(ofile_list, of);
} else {
of = smb_llist_head(ofile_list);
}
while (of) {
if (smb_ofile_hold(of))
break;
of = smb_llist_next(ofile_list, of);
}
smb_llist_exit(ofile_list);
return (of);
}
