Fix race condition when using asynch verify

[fio.git] / ioengine.h

diff --git a/ioengine.h b/ioengine.h
index 2caece72c644e4e4f144715f586e73bcb6b5ffac..eb6655d165cad381e747a332cfee5b93736e7fd8 100644 (file)
--- a/ioengine.h
+++ b/ioengine.h
@@ -4,8 +4,10 @@
 #define FIO_IOOPS_VERSION      10
 
 enum {
-       IO_U_F_FREE     = 1 << 0,
-       IO_U_F_FLIGHT   = 1 << 1,
+       IO_U_F_FREE             = 1 << 0,
+       IO_U_F_FLIGHT           = 1 << 1,
+       IO_U_F_FREE_DEF         = 1 << 2,
+       IO_U_F_IN_CUR_DEPTH     = 1 << 3,
 };
 
 /*
@@ -112,6 +114,7 @@ enum fio_ioengine_flags {
        FIO_UNIDIR      = 1 << 5,       /* engine is uni-directional */
        FIO_NOIO        = 1 << 6,       /* thread does only pseudo IO */
        FIO_SIGQUIT     = 1 << 7,       /* needs SIGQUIT to exit */
+       FIO_PIPEIO      = 1 << 8,       /* input/output no seekable */
 };
 
 /*
@@ -139,9 +142,10 @@ extern void close_ioengine(struct thread_data *);
 extern struct io_u *__get_io_u(struct thread_data *);
 extern struct io_u *get_io_u(struct thread_data *);
 extern void put_io_u(struct thread_data *, struct io_u *);
+extern void clear_io_u(struct thread_data *, struct io_u *);
 extern void requeue_io_u(struct thread_data *, struct io_u **);
-extern long __must_check io_u_sync_complete(struct thread_data *, struct io_u *);
-extern long __must_check io_u_queued_complete(struct thread_data *, int);
+extern int __must_check io_u_sync_complete(struct thread_data *, struct io_u *, unsigned long *);
+extern int __must_check io_u_queued_complete(struct thread_data *, int, unsigned long *);
 extern void io_u_queued(struct thread_data *, struct io_u *);
 extern void io_u_log_error(struct thread_data *, struct io_u *);
 extern void io_u_mark_depth(struct thread_data *, unsigned int);
@@ -149,4 +153,23 @@ extern void io_u_fill_buffer(struct thread_data *td, struct io_u *, unsigned int
 void io_u_mark_complete(struct thread_data *, unsigned int);
 void io_u_mark_submit(struct thread_data *, unsigned int);
 
+#ifdef FIO_INC_DEBUG
+static inline void dprint_io_u(struct io_u *io_u, const char *p)
+{
+       struct fio_file *f = io_u->file;
+
+       dprint(FD_IO, "%s: io_u %p: off=%llu/len=%lu/ddir=%d", p, io_u,
+                                       (unsigned long long) io_u->offset,
+                                       io_u->buflen, io_u->ddir);
+       if (fio_debug & (1 << FD_IO)) {
+               if (f)
+                       log_info("/%s", f->file_name);
+
+               log_info("\n");
+       }
+}
+#else
+#define dprint_io_u(io_u, p)
+#endif
+
 #endif