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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 /kernel
parent3d5b6fccc4b900cc4267692f015ea500bad4c6bf (diff)
downloadlinux-6c5c934153513dc72e2d6464f39e8ef1f27c0a3e.tar.bz2
[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 'kernel')
-rw-r--r--kernel/fork.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/kernel/fork.c b/kernel/fork.c
index 802b1cf0e63f..bca6ce6d3ded 100644
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -183,7 +183,9 @@ static struct task_struct *dup_task_struct(struct task_struct *orig)
/* One for us, one for whoever does the "release_task()" (usually parent) */
atomic_set(&tsk->usage,2);
atomic_set(&tsk->fs_excl, 0);
+#ifdef CONFIG_BLK_DEV_IO_TRACE
tsk->btrace_seq = 0;
+#endif
tsk->splice_pipe = NULL;
return tsk;
}