Remove unused variable

[qemu] / posix-aio-compat.h

diff --git a/posix-aio-compat.h b/posix-aio-compat.h
index 5eb1704..1c5dcbd 100644 (file)
--- a/posix-aio-compat.h
+++ b/posix-aio-compat.h
@@ -27,14 +27,25 @@
 struct qemu_paiocb
 {
     int aio_fildes;
-    void *aio_buf;
+    union {
+        struct iovec *aio_iov;
+       void *aio_ioctl_buf;
+    };
+    int aio_niov;
     size_t aio_nbytes;
-    int sigev_signo;
+#define aio_ioctl_cmd   aio_nbytes /* for QEMU_PAIO_IOCTL */
+    int ev_signo;
     off_t aio_offset;
+    unsigned aio_flags;
+/* 512 byte alignment required for buffer, offset and length */
+#define QEMU_AIO_SECTOR_ALIGNED        0x01
 
     /* private */
     TAILQ_ENTRY(qemu_paiocb) node;
-    int is_write;
+    int aio_type;
+#define QEMU_PAIO_READ         0x01
+#define QEMU_PAIO_WRITE        0x02
+#define QEMU_PAIO_IOCTL        0x03
     ssize_t ret;
     int active;
 };
@@ -49,6 +60,7 @@ struct qemu_paioinit
 int qemu_paio_init(struct qemu_paioinit *aioinit);
 int qemu_paio_read(struct qemu_paiocb *aiocb);
 int qemu_paio_write(struct qemu_paiocb *aiocb);
+int qemu_paio_ioctl(struct qemu_paiocb *aiocb);
 int qemu_paio_error(struct qemu_paiocb *aiocb);
 ssize_t qemu_paio_return(struct qemu_paiocb *aiocb);
 int qemu_paio_cancel(int fd, struct qemu_paiocb *aiocb);