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authorAlexey Dobriyan <adobriyan@gmail.com>2006-09-29 01:59:40 -0700
committerLinus Torvalds <torvalds@g5.osdl.org>2006-09-29 09:18:09 -0700
commit6c5c934153513dc72e2d6464f39e8ef1f27c0a3e (patch)
treebe799da4af646a96c2d6ab473e276a7361beb685 /include
parent3d5b6fccc4b900cc4267692f015ea500bad4c6bf (diff)
[PATCH] ifdef blktrace debugging fields
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Acked-by: Jens Axboe <axboe@suse.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'include')
-rw-r--r--include/linux/blkdev.h4
-rw-r--r--include/linux/sched.h3
2 files changed, 4 insertions, 3 deletions
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index c773ee545eb..cfde8b3ee91 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -417,9 +417,9 @@ struct request_queue
unsigned int sg_timeout;
unsigned int sg_reserved_size;
int node;
-
+#ifdef CONFIG_BLK_DEV_IO_TRACE
struct blk_trace *blk_trace;
-
+#endif
/*
* reserved for flush operations
*/
diff --git a/include/linux/sched.h b/include/linux/sched.h
index 27122575d90..3696f2f7126 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -784,8 +784,9 @@ struct task_struct {
struct prio_array *array;
unsigned short ioprio;
+#ifdef CONFIG_BLK_DEV_IO_TRACE
unsigned int btrace_seq;
-
+#endif
unsigned long sleep_avg;
unsigned long long timestamp, last_ran;
unsigned long long sched_time; /* sched_clock time spent running */