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authorOmar Sandoval <osandov@fb.com>2017-01-31 14:53:19 -0800
committerJens Axboe <axboe@fb.com>2017-02-02 10:20:16 -0700
commita428d314ebcf65842fd64ad850c02c280586e74d (patch)
treefa7418aca3b2ca52b4083c112813acaf9b533e8e
parentblock: fix debugfs config conditional in struct request_queue (diff)
downloadlinux-dev-a428d314ebcf65842fd64ad850c02c280586e74d.tar.xz
linux-dev-a428d314ebcf65842fd64ad850c02c280586e74d.zip
blktrace: make do_blk_trace_setup() static
This isn't used outside of blktrace.c anymore. Fixes: 62c2a7d969f3 ("block: push BKL into blktrace ioctls") Signed-off-by: Omar Sandoval <osandov@fb.com> Signed-off-by: Jens Axboe <axboe@fb.com>
-rw-r--r--include/linux/blktrace_api.h4
-rw-r--r--kernel/trace/blktrace.c6
2 files changed, 3 insertions, 7 deletions
diff --git a/include/linux/blktrace_api.h b/include/linux/blktrace_api.h
index 341f9418bd68..d2e908586e3d 100644
--- a/include/linux/blktrace_api.h
+++ b/include/linux/blktrace_api.h
@@ -30,9 +30,6 @@ struct blk_trace {
extern int blk_trace_ioctl(struct block_device *, unsigned, char __user *);
extern void blk_trace_shutdown(struct request_queue *);
-extern int do_blk_trace_setup(struct request_queue *q, char *name,
- dev_t dev, struct block_device *bdev,
- struct blk_user_trace_setup *buts);
extern __printf(2, 3)
void __trace_note_message(struct blk_trace *, const char *fmt, ...);
@@ -80,7 +77,6 @@ extern struct attribute_group blk_trace_attr_group;
#else /* !CONFIG_BLK_DEV_IO_TRACE */
# define blk_trace_ioctl(bdev, cmd, arg) (-ENOTTY)
# define blk_trace_shutdown(q) do { } while (0)
-# define do_blk_trace_setup(q, name, dev, bdev, buts) (-ENOTTY)
# define blk_add_driver_data(q, rq, data, len) do {} while (0)
# define blk_trace_setup(q, name, dev, bdev, arg) (-ENOTTY)
# define blk_trace_startstop(q, start) (-ENOTTY)
diff --git a/kernel/trace/blktrace.c b/kernel/trace/blktrace.c
index e33050e3ea1c..84763e0c83cf 100644
--- a/kernel/trace/blktrace.c
+++ b/kernel/trace/blktrace.c
@@ -433,9 +433,9 @@ static void blk_trace_setup_lba(struct blk_trace *bt,
/*
* Setup everything required to start tracing
*/
-int do_blk_trace_setup(struct request_queue *q, char *name, dev_t dev,
- struct block_device *bdev,
- struct blk_user_trace_setup *buts)
+static int do_blk_trace_setup(struct request_queue *q, char *name, dev_t dev,
+ struct block_device *bdev,
+ struct blk_user_trace_setup *buts)
{
struct blk_trace *bt = NULL;
struct dentry *dir = NULL;