Merge branch 'master' of https://github.com/bvanassche/fio

[fio.git] / io_u.c

diff --git a/io_u.c b/io_u.c
index a37b723e7f03124c48508b26cc64bd8786d37a6c..5fbb2386237de6ba8aa106917e9f222ae564e014 100644 (file)
--- a/io_u.c
+++ b/io_u.c
@@ -1,12 +1,8 @@
 #include <unistd.h>
-#include <fcntl.h>
 #include <string.h>
-#include <signal.h>
-#include <time.h>
 #include <assert.h>
 
 #include "fio.h"
-#include "hash.h"
 #include "verify.h"
 #include "trim.h"
 #include "lib/rand.h"
@@ -430,7 +426,11 @@ static int get_next_seq_offset(struct thread_data *td, struct fio_file *f,
        if (f->last_pos[ddir] < f->real_file_size) {
                uint64_t pos;
 
-               if (f->last_pos[ddir] == f->file_offset && o->ddir_seq_add < 0) {
+               /*
+                * Only rewind if we already hit the end
+                */
+               if (f->last_pos[ddir] == f->file_offset &&
+                   f->file_offset && o->ddir_seq_add < 0) {
                        if (f->real_file_size > f->io_size)
                                f->last_pos[ddir] = f->io_size;
                        else
@@ -852,8 +852,8 @@ void put_io_u(struct thread_data *td, struct io_u *io_u)
                assert(!(td->flags & TD_F_CHILD));
        }
        io_u_qpush(&td->io_u_freelist, io_u);
-       td_io_u_unlock(td);
        td_io_u_free_notify(td);
+       td_io_u_unlock(td);
 }
 
 void clear_io_u(struct thread_data *td, struct io_u *io_u)
@@ -885,8 +885,8 @@ void requeue_io_u(struct thread_data *td, struct io_u **io_u)
        }
 
        io_u_rpush(&td->io_u_requeues, __io_u);
-       td_io_u_unlock(td);
        td_io_u_free_notify(td);
+       td_io_u_unlock(td);
        *io_u = NULL;
 }
 
@@ -1554,6 +1554,7 @@ bool queue_full(const struct thread_data *td)
 struct io_u *__get_io_u(struct thread_data *td)
 {
        struct io_u *io_u = NULL;
+       int ret;
 
        if (td->stop_io)
                return NULL;
@@ -1590,7 +1591,8 @@ again:
                 * return one
                 */
                assert(!(td->flags & TD_F_CHILD));
-               assert(!pthread_cond_wait(&td->free_cond, &td->io_u_lock));
+               ret = pthread_cond_wait(&td->free_cond, &td->io_u_lock);
+               assert(ret == 0);
                goto again;
        }
 
@@ -1697,7 +1699,7 @@ static void small_content_scramble(struct io_u *io_u)
 
 /*
  * Return an io_u to be processed. Gets a buflen and offset, sets direction,
- * etc. The returned io_u is fully ready to be prepped and submitted.
+ * etc. The returned io_u is fully ready to be prepped, populated and submitted.
  */
 struct io_u *get_io_u(struct thread_data *td)
 {
@@ -1758,12 +1760,9 @@ struct io_u *get_io_u(struct thread_data *td)
                                        td->o.min_bs[DDIR_WRITE],
                                        io_u->buflen);
                        } else if ((td->flags & TD_F_SCRAMBLE_BUFFERS) &&
-                                  !(td->flags & TD_F_COMPRESS))
+                                  !(td->flags & TD_F_COMPRESS) &&
+                                  !(td->flags & TD_F_DO_VERIFY))
                                do_scramble = 1;
-                       if (td->flags & TD_F_VER_NONE) {
-                               populate_verify_io_u(td, io_u);
-                               do_scramble = 0;
-                       }
                } else if (io_u->ddir == DDIR_READ) {
                        /*
                         * Reset the buf_filled parameters so next time if the