First snapshot of FIO for Windows

[fio.git] / file.h

diff --git a/file.h b/file.h
index 7024d5ee9d6bcb8f1a4ecb71b46f2297ea836226..994d5fd0c828bd8de6c6c39bce44e42d45e11d8f 100644 (file)
--- a/file.h
+++ b/file.h
@@ -20,6 +20,7 @@ enum fio_file_flags {
        FIO_FILE_done           = 1 << 3,       /* io completed to this file */
        FIO_FILE_size_known     = 1 << 4,       /* size has been set */
        FIO_FILE_hashed         = 1 << 5,       /* file is on hash */
        FIO_FILE_done           = 1 << 3,       /* io completed to this file */
        FIO_FILE_size_known     = 1 << 4,       /* size has been set */
        FIO_FILE_hashed         = 1 << 5,       /* file is on hash */

+       FIO_FILE_partial_mmap   = 1 << 6,       /* can't do full mmap */

 };
 
 enum file_lock_mode {
 };
 
 enum file_lock_mode {


@@ -46,13 +47,12 @@ struct fio_file {
        struct flist_head hash_list;
        enum fio_filetype filetype;
 
        struct flist_head hash_list;
        enum fio_filetype filetype;
 

-       /*
-        * A file may not be a file descriptor, let the io engine decide
-        */
-       union {
-               unsigned long file_data;
-               int fd;
-       };
+       void *file_data;
+       int fd;
+#ifdef __CYGWIN__
+       HANDLE hFile;
+       HANDLE ioCP;
+#endif

 
        /*
         * filename and possible memory mapping
 
        /*
         * filename and possible memory mapping


@@ -72,6 +72,15 @@ struct fio_file {
        unsigned long long io_size;
 
        unsigned long long last_pos;
        unsigned long long io_size;
 
        unsigned long long last_pos;

+       unsigned long long last_start;
+
+       unsigned long long first_write;
+       unsigned long long last_write;
+
+       /*
+        * For use by the io engine
+        */
+       unsigned long long file_pos;

 
        /*
         * if io is protected by a semaphore, this is set
 
        /*
         * if io is protected by a semaphore, this is set


@@ -114,6 +123,7 @@ FILE_FLAG_FNS(extend);
 FILE_FLAG_FNS(done);
 FILE_FLAG_FNS(size_known);
 FILE_FLAG_FNS(hashed);
 FILE_FLAG_FNS(done);
 FILE_FLAG_FNS(size_known);
 FILE_FLAG_FNS(hashed);

+FILE_FLAG_FNS(partial_mmap);

 #undef FILE_FLAG_FNS
 
 /*
 #undef FILE_FLAG_FNS
 
 /*


@@ -129,8 +139,10 @@ extern int __must_check generic_close_file(struct thread_data *, struct fio_file
 extern int __must_check generic_get_file_size(struct thread_data *, struct fio_file *);
 extern int __must_check pre_read_files(struct thread_data *);
 extern int add_file(struct thread_data *, const char *);
 extern int __must_check generic_get_file_size(struct thread_data *, struct fio_file *);
 extern int __must_check pre_read_files(struct thread_data *);
 extern int add_file(struct thread_data *, const char *);

+extern int add_file_exclusive(struct thread_data *, const char *);

 extern void get_file(struct fio_file *);
 extern int __must_check put_file(struct thread_data *, struct fio_file *);
 extern void get_file(struct fio_file *);
 extern int __must_check put_file(struct thread_data *, struct fio_file *);

+extern void put_file_log(struct thread_data *, struct fio_file *);

 extern void lock_file(struct thread_data *, struct fio_file *, enum fio_ddir);
 extern void unlock_file(struct thread_data *, struct fio_file *);
 extern void unlock_file_all(struct thread_data *, struct fio_file *);
 extern void lock_file(struct thread_data *, struct fio_file *, enum fio_ddir);
 extern void unlock_file(struct thread_data *, struct fio_file *);
 extern void unlock_file_all(struct thread_data *, struct fio_file *);


@@ -144,6 +156,8 @@ static inline void fio_file_reset(struct fio_file *f)
 {
        f->last_free_lookup = 0;
        f->last_pos = f->file_offset;
 {
        f->last_free_lookup = 0;
        f->last_pos = f->file_offset;

+       f->last_start = -1ULL;
+       f->file_pos = -1ULL;

        if (f->file_map)
                memset(f->file_map, 0, f->num_maps * sizeof(int));
 }
        if (f->file_map)
                memset(f->file_map, 0, f->num_maps * sizeof(int));
 }