These functions are copied from the kernel and are needed by
net/bluetooth/af_bluetooth.c
Signed-off-by: Hauke Mehrtens <hauke@xxxxxxxxxx>
---
compat/compat-2.6.34.c | 55 +++++++++++++++++++++++++++++++++++++++++
include/linux/compat-2.6.34.h | 6 +++++
2 files changed, 61 insertions(+)
diff --git a/compat/compat-2.6.34.c b/compat/compat-2.6.34.c
index b905a26..80a6107 100644
--- a/compat/compat-2.6.34.c
+++ b/compat/compat-2.6.34.c
@@ -28,3 +28,58 @@ int sdio_set_host_pm_flags(struct sdio_func *func, mmc_pm_flag_t flags)
{
return -EINVAL;
}
+
+/**
+ * seq_hlist_start - start an iteration of a hlist
+ * @head: the head of the hlist
+ * @pos: the start position of the sequence
+ *
+ * Called at seq_file->op->start().
+ */
+struct hlist_node *seq_hlist_start(struct hlist_head *head, loff_t pos)
+{
+ struct hlist_node *node;
+
+ hlist_for_each(node, head)
+ if (pos-- == 0)
+ return node;
+ return NULL;
+}
+
+/**
+ * seq_hlist_start_head - start an iteration of a hlist
+ * @head: the head of the hlist
+ * @pos: the start position of the sequence
+ *
+ * Called at seq_file->op->start(). Call this function if you want to
+ * print a header at the top of the output.
+ */
+struct hlist_node *seq_hlist_start_head(struct hlist_head *head, loff_t pos)
+{
+ if (!pos)
+ return SEQ_START_TOKEN;
+
+ return seq_hlist_start(head, pos - 1);
+}
+EXPORT_SYMBOL(seq_hlist_start_head);
+
+/**
+ * seq_hlist_next - move to the next position of the hlist
+ * @v: the current iterator
+ * @head: the head of the hlist
+ * @ppos: the current position
+ *
+ * Called at seq_file->op->next().
+ */
+struct hlist_node *seq_hlist_next(void *v, struct hlist_head *head,
+ loff_t *ppos)
+{
+ struct hlist_node *node = v;
+
+ ++*ppos;
+ if (v == SEQ_START_TOKEN)
+ return head->first;
+ else
+ return node->next;
+}
+EXPORT_SYMBOL(seq_hlist_next);
diff --git a/include/linux/compat-2.6.34.h b/include/linux/compat-2.6.34.h
index b5a40e2..39bc13b 100644
--- a/include/linux/compat-2.6.34.h
+++ b/include/linux/compat-2.6.34.h
@@ -319,6 +319,12 @@ static inline int lockdep_rtnl_is_held(void)
}
#endif /* #ifdef CONFIG_PROVE_LOCKING */
+extern struct hlist_node *seq_hlist_start_head(struct hlist_head *head,
+ loff_t pos);
+
+extern struct hlist_node *seq_hlist_next(void *v, struct hlist_head *head,
+ loff_t *ppos);
+
#else /* Kernels >= 2.6.34 */
static inline void init_compat_mmc_pm_flags(void)
--
1.7.9.5
--
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