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sg engine: IO should be done sync of O_SYNC and O_DIRECT
author
Jens Axboe
<jens.axboe@oracle.com>
Tue, 16 Jun 2009 21:23:01 +0000
(23:23 +0200)
committer
Jens Axboe
<jens.axboe@oracle.com>
Tue, 16 Jun 2009 21:23:01 +0000
(23:23 +0200)
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
engines/sg.c
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diff --git
a/engines/sg.c
b/engines/sg.c
index 0ed39b3d9527e5569bc84015e376c5296caff5be..57c3834add235362acdd18ee672c176456ae9e16 100644
(file)
--- a/
engines/sg.c
+++ b/
engines/sg.c
@@
-240,11
+240,14
@@
static int fio_sgio_prep(struct thread_data *td, struct io_u *io_u)
static int fio_sgio_queue(struct thread_data *td, struct io_u *io_u)
{
struct sg_io_hdr *hdr = &io_u->hdr;
- int ret;
+ int ret
, do_sync = 0
;
fio_ro_check(td, io_u);
- ret = fio_sgio_doio(td, io_u, ddir_sync(io_u->ddir));
+ if (td->o.sync_io || td->o.odirect || ddir_sync(io_u->ddir))
+ do_sync = 1;
+
+ ret = fio_sgio_doio(td, io_u, do_sync);
if (ret < 0)
io_u->error = errno;