include blktrace_api.h in headers_install
[cascardo/linux.git] / include / linux / blktrace_api.h
index dcaf245..a2a7d0c 100644 (file)
@@ -1,8 +1,10 @@
 #ifndef BLKTRACE_H
 #define BLKTRACE_H
 
+#ifdef __KERNEL__
 #include <linux/blkdev.h>
 #include <linux/relay.h>
+#endif
 
 /*
  * Trace categories
@@ -92,17 +94,17 @@ enum blktrace_notify {
  * The trace itself
  */
 struct blk_io_trace {
-       u32 magic;              /* MAGIC << 8 | version */
-       u32 sequence;           /* event number */
-       u64 time;               /* in microseconds */
-       u64 sector;             /* disk offset */
-       u32 bytes;              /* transfer length */
-       u32 action;             /* what happened */
-       u32 pid;                /* who did it */
-       u32 device;             /* device number */
-       u32 cpu;                /* on what cpu did it happen */
-       u16 error;              /* completion error */
-       u16 pdu_len;            /* length of data after this trace */
+       __u32 magic;            /* MAGIC << 8 | version */
+       __u32 sequence;         /* event number */
+       __u64 time;             /* in microseconds */
+       __u64 sector;           /* disk offset */
+       __u32 bytes;            /* transfer length */
+       __u32 action;           /* what happened */
+       __u32 pid;              /* who did it */
+       __u32 device;           /* device number */
+       __u32 cpu;              /* on what cpu did it happen */
+       __u16 error;            /* completion error */
+       __u16 pdu_len;          /* length of data after this trace */
 };
 
 /*
@@ -120,6 +122,25 @@ enum {
        Blktrace_stopped,
 };
 
+/*
+ * User setup structure passed with BLKTRACESTART
+ */
+struct blk_user_trace_setup {
+#ifdef __KERNEL__
+       char name[BDEVNAME_SIZE];       /* output */
+#else
+       char name[32];                  /* output */
+#endif
+       __u16 act_mask;                 /* input */
+       __u32 buf_size;                 /* input */
+       __u32 buf_nr;                   /* input */
+       __u64 start_lba;
+       __u64 end_lba;
+       __u32 pid;
+};
+
+#ifdef __KERNEL__
+#if defined(CONFIG_BLK_DEV_IO_TRACE)
 struct blk_trace {
        int trace_state;
        struct rchan *rchan;
@@ -136,21 +157,6 @@ struct blk_trace {
        atomic_t dropped;
 };
 
-/*
- * User setup structure passed with BLKTRACESTART
- */
-struct blk_user_trace_setup {
-       char name[BDEVNAME_SIZE];       /* output */
-       u16 act_mask;                   /* input */
-       u32 buf_size;                   /* input */
-       u32 buf_nr;                     /* input */
-       u64 start_lba;
-       u64 end_lba;
-       u32 pid;
-};
-
-#ifdef __KERNEL__
-#if defined(CONFIG_BLK_DEV_IO_TRACE)
 extern int blk_trace_ioctl(struct block_device *, unsigned, char __user *);
 extern void blk_trace_shutdown(struct request_queue *);
 extern void __blk_add_trace(struct blk_trace *, sector_t, int, int, u32, int, int, void *);