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[Qemu-devel] [PATCH] 9pfs: drop v9fs_register_transport()
From: |
Greg Kurz |
Subject: |
[Qemu-devel] [PATCH] 9pfs: drop v9fs_register_transport() |
Date: |
Wed, 20 Dec 2017 20:42:54 +0100 |
User-agent: |
StGit/0.17.1-46-g6855-dirty |
No good reasons to do this outside of v9fs_device_realize_common().
Signed-off-by: Greg Kurz <address@hidden>
---
hw/9pfs/9p.c | 6 +++++-
hw/9pfs/9p.h | 10 ++--------
hw/9pfs/virtio-9p-device.c | 8 ++------
hw/9pfs/xen-9p-backend.c | 3 +--
4 files changed, 10 insertions(+), 17 deletions(-)
diff --git a/hw/9pfs/9p.c b/hw/9pfs/9p.c
index ccbc75265a52..2f836a59deac 100644
--- a/hw/9pfs/9p.c
+++ b/hw/9pfs/9p.c
@@ -3502,7 +3502,8 @@ void pdu_submit(V9fsPDU *pdu, P9MsgHeader *hdr)
}
/* Returns 0 on success, 1 on failure. */
-int v9fs_device_realize_common(V9fsState *s, Error **errp)
+int v9fs_device_realize_common(V9fsState *s, const V9fsTransport *t,
+ Error **errp)
{
int i, len;
struct stat stat;
@@ -3510,6 +3511,9 @@ int v9fs_device_realize_common(V9fsState *s, Error **errp)
V9fsPath path;
int rc = 1;
+ assert(!s->transport);
+ s->transport = t;
+
/* initialize pdu allocator */
QLIST_INIT(&s->free_list);
QLIST_INIT(&s->active_list);
diff --git a/hw/9pfs/9p.h b/hw/9pfs/9p.h
index ea7657837784..e2aa64577fe1 100644
--- a/hw/9pfs/9p.h
+++ b/hw/9pfs/9p.h
@@ -346,7 +346,8 @@ void v9fs_path_sprintf(V9fsPath *path, const char *fmt,
...);
void v9fs_path_copy(V9fsPath *lhs, V9fsPath *rhs);
int v9fs_name_to_path(V9fsState *s, V9fsPath *dirpath,
const char *name, V9fsPath *path);
-int v9fs_device_realize_common(V9fsState *s, Error **errp);
+int v9fs_device_realize_common(V9fsState *s, const V9fsTransport *t,
+ Error **errp);
void v9fs_device_unrealize_common(V9fsState *s, Error **errp);
V9fsPDU *pdu_alloc(V9fsState *s);
@@ -366,11 +367,4 @@ struct V9fsTransport {
void (*pdu_complete)(V9fsPDU *pdu, bool discard);
};
-static inline int v9fs_register_transport(V9fsState *s, const V9fsTransport *t)
-{
- assert(!s->transport);
- s->transport = t;
- return 0;
-}
-
#endif
diff --git a/hw/9pfs/virtio-9p-device.c b/hw/9pfs/virtio-9p-device.c
index d874f48467ba..806e7573276c 100644
--- a/hw/9pfs/virtio-9p-device.c
+++ b/hw/9pfs/virtio-9p-device.c
@@ -201,17 +201,13 @@ static void virtio_9p_device_realize(DeviceState *dev,
Error **errp)
V9fsVirtioState *v = VIRTIO_9P(dev);
V9fsState *s = &v->state;
- if (v9fs_device_realize_common(s, errp)) {
- goto out;
+ if (v9fs_device_realize_common(s, &virtio_9p_transport, errp)) {
+ return;
}
v->config_size = sizeof(struct virtio_9p_config) + strlen(s->fsconf.tag);
virtio_init(vdev, "virtio-9p", VIRTIO_ID_9P, v->config_size);
v->vq = virtio_add_queue(vdev, MAX_REQ, handle_9p_output);
- v9fs_register_transport(s, &virtio_9p_transport);
-
-out:
- return;
}
static void virtio_9p_device_unrealize(DeviceState *dev, Error **errp)
diff --git a/hw/9pfs/xen-9p-backend.c b/hw/9pfs/xen-9p-backend.c
index dc1e6c88885d..e2ae1ac148eb 100644
--- a/hw/9pfs/xen-9p-backend.c
+++ b/hw/9pfs/xen-9p-backend.c
@@ -448,7 +448,6 @@ static int xen_9pfs_connect(struct XenDevice *xendev)
xen_9pdev->id = s->fsconf.fsdev_id =
g_strdup_printf("xen9p%d", xendev->dev);
xen_9pdev->tag = s->fsconf.tag = xenstore_read_fe_str(xendev, "tag");
- v9fs_register_transport(s, &xen_9p_transport);
fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
s->fsconf.tag,
1, NULL);
@@ -457,7 +456,7 @@ static int xen_9pfs_connect(struct XenDevice *xendev)
qemu_opt_set(fsdev, "security_model", xen_9pdev->security_model, NULL);
qemu_opts_set_id(fsdev, s->fsconf.fsdev_id);
qemu_fsdev_add(fsdev);
- v9fs_device_realize_common(s, NULL);
+ v9fs_device_realize_common(s, &xen_9p_transport, NULL);
return 0;
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