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authorSage Weil <sage@inktank.com>2012-06-15 12:32:04 -0700
committerSage Weil <sage@inktank.com>2012-06-15 12:32:04 -0700
commit9a64e8e0ace51b309fdcff4b4754b3649250382a (patch)
tree1f0d75c196c5ab0408c55ed6cf3a152f1f921e15 /include/linux/ring_buffer.h
parentf3dea7edd3d449fe7a6d402c1ce56a294b985261 (diff)
parentf8f5701bdaf9134b1f90e5044a82c66324d2073f (diff)
downloadlwn-9a64e8e0ace51b309fdcff4b4754b3649250382a.tar.gz
lwn-9a64e8e0ace51b309fdcff4b4754b3649250382a.zip
Merge tag 'v3.5-rc1'
Linux 3.5-rc1 Conflicts: net/ceph/messenger.c
Diffstat (limited to 'include/linux/ring_buffer.h')
-rw-r--r--include/linux/ring_buffer.h9
1 files changed, 7 insertions, 2 deletions
diff --git a/include/linux/ring_buffer.h b/include/linux/ring_buffer.h
index 67be0376d8e3..6c8835f74f79 100644
--- a/include/linux/ring_buffer.h
+++ b/include/linux/ring_buffer.h
@@ -96,9 +96,11 @@ __ring_buffer_alloc(unsigned long size, unsigned flags, struct lock_class_key *k
__ring_buffer_alloc((size), (flags), &__key); \
})
+#define RING_BUFFER_ALL_CPUS -1
+
void ring_buffer_free(struct ring_buffer *buffer);
-int ring_buffer_resize(struct ring_buffer *buffer, unsigned long size);
+int ring_buffer_resize(struct ring_buffer *buffer, unsigned long size, int cpu);
void ring_buffer_change_overwrite(struct ring_buffer *buffer, int val);
@@ -129,7 +131,7 @@ ring_buffer_read(struct ring_buffer_iter *iter, u64 *ts);
void ring_buffer_iter_reset(struct ring_buffer_iter *iter);
int ring_buffer_iter_empty(struct ring_buffer_iter *iter);
-unsigned long ring_buffer_size(struct ring_buffer *buffer);
+unsigned long ring_buffer_size(struct ring_buffer *buffer, int cpu);
void ring_buffer_reset_cpu(struct ring_buffer *buffer, int cpu);
void ring_buffer_reset(struct ring_buffer *buffer);
@@ -151,6 +153,9 @@ int ring_buffer_empty_cpu(struct ring_buffer *buffer, int cpu);
void ring_buffer_record_disable(struct ring_buffer *buffer);
void ring_buffer_record_enable(struct ring_buffer *buffer);
+void ring_buffer_record_off(struct ring_buffer *buffer);
+void ring_buffer_record_on(struct ring_buffer *buffer);
+int ring_buffer_record_is_on(struct ring_buffer *buffer);
void ring_buffer_record_disable_cpu(struct ring_buffer *buffer, int cpu);
void ring_buffer_record_enable_cpu(struct ring_buffer *buffer, int cpu);