Add file reference counting

[fio.git] / fio.h

diff --git a/fio.h b/fio.h
index 3b902a8da940ce20346a6e1d3a13c072735767b7..5bf8c43d3f9b0736422cf9fa3bb9973eaeafd81a 100644 (file)
--- a/fio.h
+++ b/fio.h
@@ -218,6 +218,12 @@ enum fio_ioengine_flags {
        FIO_NODISKUTIL  = 1 << 4,       /* diskutil can't handle filename */
 };
 
+enum fio_file_flags {
+       FIO_FILE_OPEN           = 1 << 0,       /* file is open */
+       FIO_FILE_UNLINK         = 1 << 1,       /* unlink on close */
+       FIO_FILE_CLOSING        = 1 << 2,       /* file being closed */
+};
+
 /*
  * Each thread_data structure has a number of files associated with it,
  * this structure holds state information for a single file.
@@ -247,8 +253,8 @@ struct fio_file {
        unsigned int num_maps;
        unsigned int last_free_lookup;
 
-       unsigned int unlink;
-       unsigned int open;
+       int references;
+       enum fio_file_flags flags;
 };
 
 /*
@@ -650,6 +656,8 @@ extern int __must_check file_invalidate_cache(struct thread_data *, struct fio_f
 extern int __must_check generic_open_file(struct thread_data *, struct fio_file *);
 extern void generic_close_file(struct thread_data *, struct fio_file *);
 extern void add_file(struct thread_data *, const char *);
+extern void get_file(struct fio_file *);
+extern void put_file(struct thread_data *, struct fio_file *);
 
 /*
  * ETA/status stuff