diff options
Diffstat (limited to 'include/linux/blktrace_api.h')
| -rw-r--r-- | include/linux/blktrace_api.h | 5 | 
1 files changed, 5 insertions, 0 deletions
diff --git a/include/linux/blktrace_api.h b/include/linux/blktrace_api.h index 6e915878e88..d960889e92e 100644 --- a/include/linux/blktrace_api.h +++ b/include/linux/blktrace_api.h @@ -144,6 +144,9 @@ struct blk_user_trace_setup {  #ifdef __KERNEL__  #if defined(CONFIG_BLK_DEV_IO_TRACE) + +#include <linux/sysfs.h> +  struct blk_trace {  	int trace_state;  	struct rchan *rchan; @@ -194,6 +197,8 @@ extern int blk_trace_setup(struct request_queue *q, char *name, dev_t dev,  extern int blk_trace_startstop(struct request_queue *q, int start);  extern int blk_trace_remove(struct request_queue *q); +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)  |