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authorLinus Torvalds <torvalds@linux-foundation.org>2009-06-10 22:53:40 -0400
committerLinus Torvalds <torvalds@linux-foundation.org>2009-06-10 22:53:40 -0400
commit862366118026a358882eefc70238dbcc3db37aac (patch)
tree4eb62bc10327a5afac064a95a091ea05ecd2acc1 /block/elevator.c
parent57eee9ae7bbcfb692dc96c739a5184adb6349733 (diff)
parent511b01bdf64ad8a38414096eab283c7784aebfc4 (diff)
Merge branch 'tracing-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'tracing-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: (244 commits) Revert "x86, bts: reenable ptrace branch trace support" tracing: do not translate event helper macros in print format ftrace/documentation: fix typo in function grapher name tracing/events: convert block trace points to TRACE_EVENT(), fix !CONFIG_BLOCK tracing: add protection around module events unload tracing: add trace_seq_vprint interface tracing: fix the block trace points print size tracing/events: convert block trace points to TRACE_EVENT() ring-buffer: fix ret in rb_add_time_stamp ring-buffer: pass in lockdep class key for reader_lock tracing: add annotation to what type of stack trace is recorded tracing: fix multiple use of __print_flags and __print_symbolic tracing/events: fix output format of user stack tracing/events: fix output format of kernel stack tracing/trace_stack: fix the number of entries in the header ring-buffer: discard timestamps that are at the start of the buffer ring-buffer: try to discard unneeded timestamps ring-buffer: fix bug in ring_buffer_discard_commit ftrace: do not profile functions when disabled tracing: make trace pipe recognize latency format flag ...
Diffstat (limited to 'block/elevator.c')
-rw-r--r--block/elevator.c8
1 files changed, 2 insertions, 6 deletions
diff --git a/block/elevator.c b/block/elevator.c
index 7073a9072577..e220f0c543e3 100644
--- a/block/elevator.c
+++ b/block/elevator.c
@@ -33,17 +33,16 @@
33#include <linux/compiler.h> 33#include <linux/compiler.h>
34#include <linux/delay.h> 34#include <linux/delay.h>
35#include <linux/blktrace_api.h> 35#include <linux/blktrace_api.h>
36#include <trace/block.h>
37#include <linux/hash.h> 36#include <linux/hash.h>
38#include <linux/uaccess.h> 37#include <linux/uaccess.h>
39 38
39#include <trace/events/block.h>
40
40#include "blk.h" 41#include "blk.h"
41 42
42static DEFINE_SPINLOCK(elv_list_lock); 43static DEFINE_SPINLOCK(elv_list_lock);
43static LIST_HEAD(elv_list); 44static LIST_HEAD(elv_list);
44 45
45DEFINE_TRACE(block_rq_abort);
46
47/* 46/*
48 * Merge hash stuff. 47 * Merge hash stuff.
49 */ 48 */
@@ -55,9 +54,6 @@ static const int elv_hash_shift = 6;
55#define rq_hash_key(rq) ((rq)->sector + (rq)->nr_sectors) 54#define rq_hash_key(rq) ((rq)->sector + (rq)->nr_sectors)
56#define ELV_ON_HASH(rq) (!hlist_unhashed(&(rq)->hash)) 55#define ELV_ON_HASH(rq) (!hlist_unhashed(&(rq)->hash))
57 56
58DEFINE_TRACE(block_rq_insert);
59DEFINE_TRACE(block_rq_issue);
60
61/* 57/*
62 * Query io scheduler to see if the current process issuing bio may be 58 * Query io scheduler to see if the current process issuing bio may be
63 * merged with rq. 59 * merged with rq.