first commit

1 files changed, 70 insertions, 0 deletions

diff --git a/fs/fuse/fuse.h b/fs/fuse/fuse.h
new file mode 100644
index 000000000..9d2c68f53
--- /dev/null
+++ b/fs/fuse/fuse.h
@@ -0,0 +1,70 @@
+#ifndef ___FUSE_H___
+#define ___FUSE_H___
+extern void fuse_request_send_background_ex(struct fuse_conn *fc,
+    struct fuse_req *req, __u32 size);
+extern void fuse_request_send_ex(struct fuse_conn *fc, struct fuse_req *req,
+    __u32 size);
+
+#if defined(CONFIG_MT_ENG_BUILD)  /* IO log is only enabled in eng load */
+#define FUSEIO_TRACE
+#endif
+
+
+#ifdef FUSEIO_TRACE
+#include <linux/sched.h>
+#include <linux/xlog.h>
+#include <linux/kthread.h>
+
+extern void fuse_time_diff(struct timespec *start,
+    struct timespec *end,
+    struct timespec *diff);
+
+extern void fuse_iolog_add(__u32 io_bytes, int type,
+    struct timespec *start,
+    struct timespec *end);
+
+extern __u32 fuse_iolog_timeus_diff(struct timespec *start,
+    struct timespec *end);
+
+extern void fuse_iolog_exit(void);
+extern void fuse_iolog_init(void);
+
+struct fuse_rw_info
+{
+    __u32  count;
+    __u32  bytes;
+    __u32  us;
+};
+
+struct fuse_proc_info
+{
+    pid_t pid;
+    __u32 valid;
+    int misc_type;
+    struct fuse_rw_info read;
+    struct fuse_rw_info write;
+    struct fuse_rw_info misc;
+};
+
+#define FUSE_IOLOG_MAX     12
+#define FUSE_IOLOG_BUFLEN  512
+#define FUSE_IOLOG_LATENCY 1
+
+#define FUSE_IOLOG_INIT()   struct timespec _tstart, _tend
+#define FUSE_IOLOG_START()  get_monotonic_boottime(&_tstart)
+#define FUSE_IOLOG_END()    get_monotonic_boottime(&_tend)
+#define FUSE_IOLOG_US()     fuse_iolog_timeus_diff(&_tstart, &_tend)
+#define FUSE_IOLOG_PRINT(iobytes, type)  fuse_iolog_add(iobytes, type, &_tstart, &_tend)
+
+#else
+
+#define FUSE_IOLOG_INIT(...)
+#define FUSE_IOLOG_START(...)
+#define FUSE_IOLOG_END(...)
+#define FUSE_IOLOG_PRINT(...)
+#define fuse_iolog_init(...)
+#define fuse_iolog_exit(...)
+
+#endif
+
+#endif