Remove the file->last_completed_pos variable
This tracks where we last did IO to this file, however with file
sharing that may break. So just remove this optimization, it'll
cost an extra lseek() for the sync engine but doesn't do much else
outside of that.
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
diff --git a/engines/net.c b/engines/net.c
index f6ae379..60d53bc 100644
--- a/engines/net.c
+++ b/engines/net.c
@@ -28,7 +28,6 @@
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 @@
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)