mutex error handling

[fio.git] / io_u.c

diff --git a/io_u.c b/io_u.c
index 79a0ce84632ad9e13338e354926ceda842178d12..e283e7276a84ca75b6a11de4d3c40d9dcd93e716 100644 (file)
--- a/io_u.c
+++ b/io_u.c
@@ -335,9 +335,9 @@ static struct fio_file *get_next_file_rand(struct thread_data *td)
        do {
                long r = os_random_long(&td->next_file_state);
 
-               fileno = (unsigned int) ((double) (td->nr_files - 1) * r / (RAND_MAX + 1.0));
+               fileno = (unsigned int) ((double) (td->open_files * r) / (RAND_MAX + 1.0));
                f = &td->files[fileno];
-               if (f->fd != -1)
+               if (f->open)
                        return f;
        } while (1);
 }
@@ -354,10 +354,10 @@ static struct fio_file *get_next_file_rr(struct thread_data *td)
                f = &td->files[td->next_file];
 
                td->next_file++;
-               if (td->next_file >= td->nr_files)
+               if (td->next_file >= td->open_files)
                        td->next_file = 0;
 
-               if (f->fd != -1)
+               if (f->open)
                        break;
 
                f = NULL;
@@ -441,7 +441,21 @@ struct io_u *get_io_u(struct thread_data *td)
                 * No more to do for this file, close it
                 */
                io_u->file = NULL;
-               close_file(td, f);
+               td_io_close_file(td, f);
+
+               /*
+                * probably not the right place to do this, but see
+                * if we need to open a new file
+                */
+               if (td->nr_open_files < td->nr_files &&
+                   td->open_files != td->nr_files) {
+                       int ret = td_io_open_file(td, f);
+
+                       if (ret) {
+                               put_io_u(td, io_u);
+                               return NULL;
+                       }
+               }
        } while (1);
 
        if (td->zone_bytes >= td->zone_size) {