X-Git-Url: https://git.kernel.dk/?p=fio.git;a=blobdiff_plain;f=engines%2Fposixaio.c;h=65a88e90756ceeb6b8640a99aff46d752abd0a80;hp=ebd6faf86b14b30e2dd4eabf8b5f9726d1d8d6aa;hb=e7d2e61694c62b90a2fb84c012b4edcc1973d72c;hpb=e1161c325f7866bae879e686d1c673ca32ab09ae

diff --git a/engines/posixaio.c b/engines/posixaio.c
index ebd6faf8..65a88e90 100644
--- a/engines/posixaio.c
+++ b/engines/posixaio.c
@@ -1,5 +1,7 @@
 /*
- * posix aio io engine
+ * posixaio engine
+ *
+ * IO engine that uses the posix defined aio interface.
  *
  */
 #include <stdio.h>
@@ -9,7 +11,6 @@
 #include <assert.h>
 
 #include "../fio.h"
-#include "../os.h"
 
 #ifdef FIO_HAVE_POSIXAIO
 
@@ -75,8 +76,8 @@ static int fio_posixaio_prep(struct thread_data fio_unused *td,
 	return 0;
 }
 
-static int fio_posixaio_getevents(struct thread_data *td, int min, int max,
-				  struct timespec *t)
+static int fio_posixaio_getevents(struct thread_data *td, unsigned int min,
+				  unsigned int max, struct timespec *t)
 {
 	struct posixaio_data *pd = td->io_ops->data;
 	struct list_head *entry;
@@ -96,17 +97,20 @@ restart:
 			continue;
 
 		err = aio_error(&io_u->aiocb);
-		switch (err) {
-			default:
-				io_u->error = err;
-			case ECANCELED:
-			case 0:
-				pd->aio_events[r++] = io_u;
-				io_u->seen = 1;
-				break;
-			case EINPROGRESS:
-				break;
-		}
+		if (err == EINPROGRESS)
+			continue;
+
+		io_u->seen = 1;
+		pd->aio_events[r++] = io_u;
+
+		if (err == ECANCELED)
+			io_u->resid = io_u->xfer_buflen;
+		else if (!err) {
+			ssize_t retval = aio_return(&io_u->aiocb);
+
+			io_u->resid = io_u->xfer_buflen - retval;
+		} else
+			io_u->error = err;
 
 		if (r >= max)
 			break;
@@ -144,6 +148,8 @@ static int fio_posixaio_queue(struct thread_data fio_unused *td,
 	struct aiocb *aiocb = &io_u->aiocb;
 	int ret;
 
+	fio_ro_check(td, io_u);
+
 	if (io_u->ddir == DDIR_READ)
 		ret = aio_read(aiocb);
 	else if (io_u->ddir == DDIR_WRITE)
@@ -176,8 +182,8 @@ static int fio_posixaio_init(struct thread_data *td)
 	struct posixaio_data *pd = malloc(sizeof(*pd));
 
 	memset(pd, 0, sizeof(*pd));
-	pd->aio_events = malloc(td->iodepth * sizeof(struct io_u *));
-	memset(pd->aio_events, 0, td->iodepth * sizeof(struct io_u *));
+	pd->aio_events = malloc(td->o.iodepth * sizeof(struct io_u *));
+	memset(pd->aio_events, 0, td->o.iodepth * sizeof(struct io_u *));
 
 	td->io_ops->data = pd;
 	return 0;
@@ -193,6 +199,8 @@ static struct ioengine_ops ioengine = {
 	.getevents	= fio_posixaio_getevents,
 	.event		= fio_posixaio_event,
 	.cleanup	= fio_posixaio_cleanup,
+	.open_file	= generic_open_file,
+	.close_file	= generic_close_file,
 };
 
 #else /* FIO_HAVE_POSIXAIO */