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authorJeff Layton <jlayton@redhat.com>2013-06-21 08:58:21 -0400
committerAl Viro <viro@zeniv.linux.org.uk>2013-07-08 13:36:41 +0400
commit0bc77381c1b1600e659eb7322c39d1753615722d (patch)
tree6e2adc4932f0fc136d08da5ba5adb032970a1b05 /include/linux/seq_file.h
parent99b072bb38c9b398bc7c3fc8a0f30d0801f78750 (diff)
seq_file: add seq_list_*_percpu helpers
When we convert the file_lock_list to a set of percpu lists, we'll need a way to iterate over them in order to output /proc/locks info. Add some seq_list_*_percpu helpers to handle that. Signed-off-by: Jeff Layton <jlayton@redhat.com> Acked-by: J. Bruce Fields <bfields@fieldses.org> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'include/linux/seq_file.h')
-rw-r--r--include/linux/seq_file.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/include/linux/seq_file.h b/include/linux/seq_file.h
index 2da29ac178fc..4e32edc8f506 100644
--- a/include/linux/seq_file.h
+++ b/include/linux/seq_file.h
@@ -173,4 +173,10 @@ extern struct hlist_node *seq_hlist_start_head_rcu(struct hlist_head *head,
extern struct hlist_node *seq_hlist_next_rcu(void *v,
struct hlist_head *head,
loff_t *ppos);
+
+/* Helpers for iterating over per-cpu hlist_head-s in seq_files */
+extern struct hlist_node *seq_hlist_start_percpu(struct hlist_head __percpu *head, int *cpu, loff_t pos);
+
+extern struct hlist_node *seq_hlist_next_percpu(void *v, struct hlist_head __percpu *head, int *cpu, loff_t *pos);
+
#endif