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blktrace: make do_blk_trace_setup() static

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This isn't used outside of blktrace.c anymore.

Fixes: 62c2a7d969 ("block: push BKL into blktrace ioctls")
Signed-off-by: Omar Sandoval <osandov@fb.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
This commit is contained in:
Omar Sandoval 2017-01-31 14:53:19 -08:00 committed by Jens Axboe
parent 03796c149a
commit a428d314eb
2 changed files with 3 additions and 7 deletions
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4
include/linux/blktrace_api.h
View File

@ -30,9 +30,6 @@ struct blk_trace {
extern int blk_trace_ioctl(struct block_device *, unsigned, char __user *); extern int blk_trace_ioctl(struct block_device *, unsigned, char __user *);
extern void blk_trace_shutdown(struct request_queue *); 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) extern __printf(2, 3)
void __trace_note_message(struct blk_trace *, const char *fmt, ...); 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 */ #else /* !CONFIG_BLK_DEV_IO_TRACE */
# define blk_trace_ioctl(bdev, cmd, arg) (-ENOTTY) # define blk_trace_ioctl(bdev, cmd, arg) (-ENOTTY)
# define blk_trace_shutdown(q) do { } while (0) # 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_add_driver_data(q, rq, data, len) do {} while (0)
# define blk_trace_setup(q, name, dev, bdev, arg) (-ENOTTY) # define blk_trace_setup(q, name, dev, bdev, arg) (-ENOTTY)
# define blk_trace_startstop(q, start) (-ENOTTY) # define blk_trace_startstop(q, start) (-ENOTTY)

6
kernel/trace/blktrace.c
View File

@ -433,9 +433,9 @@ static void blk_trace_setup_lba(struct blk_trace *bt,
/* /*
* Setup everything required to start tracing * Setup everything required to start tracing
*/ */
int do_blk_trace_setup(struct request_queue *q, char *name, dev_t dev, static int do_blk_trace_setup(struct request_queue *q, char *name, dev_t dev,
struct block_device *bdev, struct block_device *bdev,
struct blk_user_trace_setup *buts) struct blk_user_trace_setup *buts)
{ {
struct blk_trace *bt = NULL; struct blk_trace *bt = NULL;
struct dentry *dir = NULL; struct dentry *dir = NULL;