[PATCH] Add option to specify the exact file used

[fio.git] / fio.h

diff --git a/fio.h b/fio.h
index b9ae15bf29a9f07c56025002176eb2041644c82d..015af8db476a5121a485bcfd349cb4efee1e1ec6 100644 (file)
--- a/fio.h
+++ b/fio.h
@@ -161,6 +161,7 @@ struct fio_file {
 struct thread_data {
        char name[32];
        char *directory;
+       char *filename;
        char verror[80];
        pthread_t thread;
        int thread_number;
@@ -168,6 +169,7 @@ struct thread_data {
        enum fio_filetype filetype;
        struct fio_file *files;
        unsigned int nr_files;
+       unsigned int nr_uniq_files;
        unsigned int next_file;
        int error;
        pid_t pid;
@@ -335,9 +337,6 @@ struct thread_data {
 #define td_verror(td, err)     __td_verror((td), (err), strerror((err)))
 #define td_vmsg(td, err, msg)  __td_verror((td), (err), (msg))
 
-extern struct io_u *__get_io_u(struct thread_data *);
-extern void put_io_u(struct thread_data *, struct io_u *);
-
 extern int rate_quit;
 extern int exitall_on_terminate;
 extern int thread_number;
@@ -487,6 +486,25 @@ extern void fio_unpin_memory(void);
 extern int allocate_io_mem(struct thread_data *);
 extern void free_io_mem(struct thread_data *);
 
+/*
+ * io unit handling
+ */
+#define queue_full(td) list_empty(&(td)->io_u_freelist)
+extern struct io_u *__get_io_u(struct thread_data *);
+extern struct io_u *get_io_u(struct thread_data *, struct fio_file *);
+extern void put_io_u(struct thread_data *, struct io_u *);
+extern void ios_completed(struct thread_data *, struct io_completion_data *);
+extern void io_completed(struct thread_data *, struct io_u *, struct io_completion_data *);
+
+/*
+ * io engine entry points
+ */
+extern int td_io_init(struct thread_data *);
+extern int td_io_prep(struct thread_data *, struct io_u *);
+extern int td_io_queue(struct thread_data *, struct io_u *);
+extern int td_io_sync(struct thread_data *, struct fio_file *);
+extern int td_io_getevents(struct thread_data *, int, int, struct timespec *);
+
 /*
  * This is a pretty crappy semaphore implementation, but with the use that fio
  * has (just signalling start/go conditions), it doesn't have to be better.