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| author | Jeff Layton <jlayton@redhat.com> | 2013-06-21 08:58:21 -0400 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2013-07-08 13:36:41 +0400 |
| commit | 0bc77381c1b1600e659eb7322c39d1753615722d (patch) | |
| tree | 6e2adc4932f0fc136d08da5ba5adb032970a1b05 /include/linux/seq_file.h | |
| parent | 99b072bb38c9b398bc7c3fc8a0f30d0801f78750 (diff) | |
| download | lwn-0bc77381c1b1600e659eb7322c39d1753615722d.tar.gz lwn-0bc77381c1b1600e659eb7322c39d1753615722d.zip | |
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.h | 6 |
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 |