Fix refill buffers overwriting verify data

[fio.git] / engines / net.c

diff --git a/engines/net.c b/engines/net.c
index 0adc00647ed3fd1dea23875b3fbbdc6e27784707..df8b62597ef681392c76f25110d4dd9007b98870 100644 (file)
--- a/engines/net.c
+++ b/engines/net.c
@@ -28,7 +28,6 @@ struct netio_data {
 static int fio_netio_prep(struct thread_data *td, struct io_u *io_u)
 {
        struct netio_data *nd = td->io_ops->data;
-       struct fio_file *f = io_u->file;
 
        /*
         * Make sure we don't see spurious reads to a receiver, and vice versa
@@ -39,17 +38,7 @@ static int fio_netio_prep(struct thread_data *td, struct io_u *io_u)
                return 1;
        }
                
-       if (io_u->ddir == DDIR_SYNC)
-               return 0;
-       if (io_u->offset == f->last_completed_pos)
-               return 0;
-
-       /*
-        * If offset is different from last end position, it's a seek.
-        * As network io is purely sequential, we don't allow seeks.
-        */
-       td_verror(td, EINVAL, "cannot seek");
-       return 1;
+       return 0;
 }
 
 static int splice_io_u(int fdin, int fdout, unsigned int len)
@@ -198,6 +187,8 @@ static int fio_netio_queue(struct thread_data *td, struct io_u *io_u)
        struct netio_data *nd = td->io_ops->data;
        int ret;
 
+       fio_ro_check(td, io_u);
+
        if (io_u->ddir == DDIR_WRITE) {
                if (nd->use_splice)
                        ret = fio_netio_splice_out(td, io_u);
@@ -461,7 +452,8 @@ static struct ioengine_ops ioengine_rw = {
        .cleanup        = fio_netio_cleanup,
        .open_file      = fio_netio_open_file,
        .close_file     = generic_close_file,
-       .flags          = FIO_SYNCIO | FIO_DISKLESSIO | FIO_UNIDIR,
+       .flags          = FIO_SYNCIO | FIO_DISKLESSIO | FIO_UNIDIR |
+                         FIO_SIGQUIT,
 };
 
 static struct ioengine_ops ioengine_splice = {
@@ -474,7 +466,8 @@ static struct ioengine_ops ioengine_splice = {
        .cleanup        = fio_netio_cleanup,
        .open_file      = fio_netio_open_file,
        .close_file     = generic_close_file,
-       .flags          = FIO_SYNCIO | FIO_DISKLESSIO | FIO_UNIDIR,
+       .flags          = FIO_SYNCIO | FIO_DISKLESSIO | FIO_UNIDIR |
+                         FIO_SIGQUIT,
 };
 
 static void fio_init fio_netio_register(void)