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-rw-r--r--include/linux/blktrace_api.h12
1 files changed, 12 insertions, 0 deletions
diff --git a/include/linux/blktrace_api.h b/include/linux/blktrace_api.h
index 23faa67e8022..07c698621ad0 100644
--- a/include/linux/blktrace_api.h
+++ b/include/linux/blktrace_api.h
@@ -5,6 +5,7 @@
5#ifdef __KERNEL__ 5#ifdef __KERNEL__
6#include <linux/blkdev.h> 6#include <linux/blkdev.h>
7#include <linux/relay.h> 7#include <linux/relay.h>
8#include <linux/compat.h>
8#endif 9#endif
9 10
10/* 11/*
@@ -203,6 +204,17 @@ extern int blk_trace_init_sysfs(struct device *dev);
203 204
204extern struct attribute_group blk_trace_attr_group; 205extern struct attribute_group blk_trace_attr_group;
205 206
207struct compat_blk_user_trace_setup {
208 char name[32];
209 u16 act_mask;
210 u32 buf_size;
211 u32 buf_nr;
212 compat_u64 start_lba;
213 compat_u64 end_lba;
214 u32 pid;
215};
216#define BLKTRACESETUP32 _IOWR(0x12, 115, struct compat_blk_user_trace_setup)
217
206#else /* !CONFIG_BLK_DEV_IO_TRACE */ 218#else /* !CONFIG_BLK_DEV_IO_TRACE */
207# define blk_trace_ioctl(bdev, cmd, arg) (-ENOTTY) 219# define blk_trace_ioctl(bdev, cmd, arg) (-ENOTTY)
208# define blk_trace_shutdown(q) do { } while (0) 220# define blk_trace_shutdown(q) do { } while (0)