Cache layout improvements

[fio.git] / ioengine.h

diff --git a/ioengine.h b/ioengine.h
index be74b66fd65c8770e715c717617f97e94385f41d..e27dab1c1785ea1ac7af9b4f84361efe331082d8 100644 (file)
--- a/ioengine.h
+++ b/ioengine.h
@@ -11,6 +11,7 @@ enum {
        IO_U_F_BUSY_OK          = 1 << 4,
        IO_U_F_TRIMMED          = 1 << 5,
        IO_U_F_BARRIER          = 1 << 6,
+       IO_U_F_VER_LIST         = 1 << 7,
 };
 
 /*
@@ -44,12 +45,16 @@ struct io_u {
        struct timeval start_time;
        struct timeval issue_time;
 
+       struct fio_file *file;
+       unsigned int flags;
+       enum fio_ddir ddir;
+
        /*
         * Allocated/set buffer and length
         */
-       void *buf;
        unsigned long buflen;
        unsigned long long offset;
+       void *buf;
 
        /*
         * Initial seed for generating the buffer contents
@@ -72,8 +77,6 @@ struct io_u {
        unsigned int resid;
        unsigned int error;
 
-       enum fio_ddir ddir;
-
        /*
         * io engine private data
         */
@@ -83,10 +86,6 @@ struct io_u {
                void *engine_data;
        };
 
-       unsigned int flags;
-
-       struct fio_file *file;
-
        struct flist_head list;
 
        /*
@@ -132,7 +131,7 @@ enum fio_ioengine_flags {
        FIO_RAWIO       = 1 << 1,       /* some sort of direct/raw io */
        FIO_DISKLESSIO  = 1 << 2,       /* no disk involved */
        FIO_NOEXTEND    = 1 << 3,       /* engine can't extend file */
-       FIO_NODISKUTIL  = 1 << 4,       /* diskutil can't handle filename */
+       FIO_NODISKUTIL  = 1 << 4,       /* diskutil can't handle filename */
        FIO_UNIDIR      = 1 << 5,       /* engine is uni-directional */
        FIO_NOIO        = 1 << 6,       /* thread does only pseudo IO */
        FIO_SIGTERM     = 1 << 7,       /* needs SIGTERM to exit */
@@ -176,7 +175,7 @@ extern int __must_check io_u_queued_complete(struct thread_data *, int, unsigned
 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);
-extern void io_u_fill_buffer(struct thread_data *td, struct io_u *, unsigned int);
+extern void io_u_fill_buffer(struct thread_data *td, struct io_u *, unsigned int, unsigned int);
 void io_u_mark_complete(struct thread_data *, unsigned int);
 void io_u_mark_submit(struct thread_data *, unsigned int);