]> git.baikalelectronics.ru Git - kernel.git/commit
ring-buffer: fix ring_buffer_read_page
authorSteven Rostedt <srostedt@redhat.com>
Tue, 3 Mar 2009 05:27:49 +0000 (00:27 -0500)
committerSteven Rostedt <srostedt@redhat.com>
Wed, 4 Mar 2009 01:51:24 +0000 (20:51 -0500)
commitafc70a85f4f6f676a0b51e952017fb9c40f10c4e
tree17145213ece6872d34951a2d33af6670fc2ae453
parent7a6be07ee661624b8015a5a2dcf33cbb3916687b
ring-buffer: fix ring_buffer_read_page

The ring_buffer_read_page was broken if it were to only copy part
of the page. This patch fixes that up as well as adds a parameter
to allow a length field, in order to only copy part of the buffer page.

Signed-off-by: Steven Rostedt <srostedt@redhat.com>
include/linux/ring_buffer.h
kernel/trace/ring_buffer.c