->getevents() should take unsigned args

[fio.git] / engines / libaio.c

diff --git a/engines/libaio.c b/engines/libaio.c
index 871c5a4785d727a72471499ffca93344ff660b1c..29eac20fe80412f55b7783fd8586dc880fac054b 100644 (file)
--- a/engines/libaio.c
+++ b/engines/libaio.c
@@ -60,8 +60,8 @@ static struct io_u *fio_libaio_event(struct thread_data *td, int event)
        return io_u;
 }
 
-static int fio_libaio_getevents(struct thread_data *td, int min, int max,
-                               struct timespec *t)
+static int fio_libaio_getevents(struct thread_data *td, unsigned int min,
+                               unsigned int max, struct timespec *t)
 {
        struct libaio_data *ld = td->io_ops->data;
        long r;
@@ -86,6 +86,8 @@ static int fio_libaio_queue(struct thread_data *td, struct io_u *io_u)
 {
        struct libaio_data *ld = td->io_ops->data;
 
+       fio_ro_check(td, io_u);
+
        if (ld->iocbs_nr == (int) td->o.iodepth)
                return FIO_Q_BUSY;
 
@@ -189,8 +191,14 @@ static void fio_libaio_cleanup(struct thread_data *td)
 static int fio_libaio_init(struct thread_data *td)
 {
        struct libaio_data *ld = malloc(sizeof(*ld));
+       static int warn_print;
        int err;
 
+       if (td->o.iodepth > 1 && !td->o.odirect && !warn_print) {
+               log_info("fio: libaio engine is only async for non-buffered IO\n");
+               warn_print = 1;
+       }
+
        memset(ld, 0, sizeof(*ld));
 
        err = io_queue_init(td->o.iodepth, &ld->aio_ctx);