[PATCH virtio 15/19] virtiofs: convert to use virtio_find_vqs_info()

[Jiri Pirko <jiri@xxxxxxxxxxx>]

From: Jiri Pirko <jiri@xxxxxxxxxx>

Instead of passing separate names and callbacks arrays
to virtio_find_vqs(), allocate one of virtual_queue_info structs and
pass it to virtio_find_vqs_info().

Signed-off-by: Jiri Pirko <jiri@xxxxxxxxxx>
---
 fs/fuse/virtio_fs.c | 22 +++++++++-------------
 1 file changed, 9 insertions(+), 13 deletions(-)

diff --git a/fs/fuse/virtio_fs.c b/fs/fuse/virtio_fs.c
index ca7b64f9c3c7..466d4888d664 100644
--- a/fs/fuse/virtio_fs.c
+++ b/fs/fuse/virtio_fs.c
@@ -740,9 +740,8 @@ static void virtio_fs_init_vq(struct virtio_fs_vq *fsvq, char *name,
 static int virtio_fs_setup_vqs(struct virtio_device *vdev,
 			       struct virtio_fs *fs)
 {
+	struct virtio_queue_info *vqs_info;
 	struct virtqueue **vqs;
-	vq_callback_t **callbacks;
-	const char **names;
 	unsigned int i;
 	int ret = 0;
 
@@ -757,18 +756,16 @@ static int virtio_fs_setup_vqs(struct virtio_device *vdev,
 		return -ENOMEM;
 
 	vqs = kmalloc_array(fs->nvqs, sizeof(vqs[VQ_HIPRIO]), GFP_KERNEL);
-	callbacks = kmalloc_array(fs->nvqs, sizeof(callbacks[VQ_HIPRIO]),
-					GFP_KERNEL);
-	names = kmalloc_array(fs->nvqs, sizeof(names[VQ_HIPRIO]), GFP_KERNEL);
-	if (!vqs || !callbacks || !names) {
+	vqs_info = kcalloc(fs->nvqs, sizeof(*vqs_info), GFP_KERNEL);
+	if (!vqs || !vqs_info) {
 		ret = -ENOMEM;
 		goto out;
 	}
 
 	/* Initialize the hiprio/forget request virtqueue */
-	callbacks[VQ_HIPRIO] = virtio_fs_vq_done;
+	vqs_info[VQ_HIPRIO].callback = virtio_fs_vq_done;
 	virtio_fs_init_vq(&fs->vqs[VQ_HIPRIO], "hiprio", VQ_HIPRIO);
-	names[VQ_HIPRIO] = fs->vqs[VQ_HIPRIO].name;
+	vqs_info[VQ_HIPRIO].name = fs->vqs[VQ_HIPRIO].name;
 
 	/* Initialize the requests virtqueues */
 	for (i = VQ_REQUEST; i < fs->nvqs; i++) {
@@ -776,11 +773,11 @@ static int virtio_fs_setup_vqs(struct virtio_device *vdev,
 
 		snprintf(vq_name, VQ_NAME_LEN, "requests.%u", i - VQ_REQUEST);
 		virtio_fs_init_vq(&fs->vqs[i], vq_name, VQ_REQUEST);
-		callbacks[i] = virtio_fs_vq_done;
-		names[i] = fs->vqs[i].name;
+		vqs_info[i].callback = virtio_fs_vq_done;
+		vqs_info[i].name = fs->vqs[i].name;
 	}
 
-	ret = virtio_find_vqs(vdev, fs->nvqs, vqs, callbacks, names, NULL);
+	ret = virtio_find_vqs_info(vdev, fs->nvqs, vqs, vqs_info, NULL);
 	if (ret < 0)
 		goto out;
 
@@ -789,8 +786,7 @@ static int virtio_fs_setup_vqs(struct virtio_device *vdev,
 
 	virtio_fs_start_all_queues(fs);
 out:
-	kfree(names);
-	kfree(callbacks);
+	kfree(vqs_info);
 	kfree(vqs);
 	if (ret)
 		kfree(fs->vqs);
-- 
2.45.2