fix incorrect errno usage

diff --git a/linux/blkdev.c b/linux/blkdev.c
index 70995c8bb472e0a19c8cd04741a226659526b998..2e03889d8c574a2eb8e31df76a9771aeef708d0e 100644 (file)
--- a/linux/blkdev.c
+++ b/linux/blkdev.c
@@ -65,8 +65,9 @@ void generic_make_request(struct bio *bio)
                iocb.u.v.nr             = i;
                iocb.u.v.offset         = bio->bi_iter.bi_sector << 9;
 
-               if (io_submit(aio_ctx, 1, &iocbp) != 1)
-                       die("io_submit err: %m");
+               ret = io_submit(aio_ctx, 1, &iocbp);
+               if (ret != 1)
+                       die("io_submit err: %s", strerror(-ret));
                break;
        case REQ_OP_WRITE:
                iocb.aio_lio_opcode     = IO_CMD_PWRITEV;
@@ -74,8 +75,9 @@ void generic_make_request(struct bio *bio)
                iocb.u.v.nr             = i;
                iocb.u.v.offset         = bio->bi_iter.bi_sector << 9;
 
-               if (io_submit(aio_ctx, 1, &iocbp) != 1)
-                       die("io_submit err: %m");
+               ret = io_submit(aio_ctx, 1, &iocbp);
+               if (ret != 1)
+                       die("io_submit err: %s", strerror(-ret));
                break;
        default:
                BUG();
@@ -219,10 +221,10 @@ static int aio_completion_thread(void *arg)
                ret = io_getevents(aio_ctx, 1, ARRAY_SIZE(events),
                                   events, NULL);
 
-               if (ret < 0 && errno == EINTR)
+               if (ret < 0 && ret == -EINTR)
                        continue;
                if (ret < 0)
-                       die("io_getevents() error: %m");
+                       die("io_getevents() error: %s", strerror(-ret));
 
                for (ev = events; ev < events + ret; ev++) {
                        struct bio *bio = (struct bio *) ev->data;