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[Qemu-devel] [PATCH v2 19/27] 9pfs: break out virtio_init_iov_from_pdu
From: |
Wei Liu |
Subject: |
[Qemu-devel] [PATCH v2 19/27] 9pfs: break out virtio_init_iov_from_pdu |
Date: |
Thu, 7 Jan 2016 19:56:16 +0000 |
Signed-off-by: Wei Liu <address@hidden>
---
hw/9pfs/virtio-9p-device.c | 12 ++++++++++++
hw/9pfs/virtio-9p.c | 8 +-------
hw/9pfs/virtio-9p.h | 2 ++
3 files changed, 15 insertions(+), 7 deletions(-)
diff --git a/hw/9pfs/virtio-9p-device.c b/hw/9pfs/virtio-9p-device.c
index d77247f..5cad654 100644
--- a/hw/9pfs/virtio-9p-device.c
+++ b/hw/9pfs/virtio-9p-device.c
@@ -170,6 +170,18 @@ ssize_t virtio_pdu_vunmarshal(V9fsPDU *pdu, size_t offset,
offset, 1, fmt, ap);
}
+void virtio_init_iov_from_pdu(V9fsPDU *pdu, struct iovec **piov,
+ unsigned int *pniov, bool is_write)
+{
+ if (is_write) {
+ *piov = pdu->elem.out_sg;
+ *pniov = pdu->elem.out_num;
+ } else {
+ *piov = pdu->elem.in_sg;
+ *pniov = pdu->elem.in_num;
+ }
+}
+
/* virtio-9p device */
static Property virtio_9p_properties[] = {
diff --git a/hw/9pfs/virtio-9p.c b/hw/9pfs/virtio-9p.c
index af9b1d1..3c39247 100644
--- a/hw/9pfs/virtio-9p.c
+++ b/hw/9pfs/virtio-9p.c
@@ -1702,13 +1702,7 @@ static void v9fs_init_qiov_from_pdu(QEMUIOVector *qiov,
V9fsPDU *pdu,
struct iovec *iov;
unsigned int niov;
- if (is_write) {
- iov = pdu->elem.out_sg;
- niov = pdu->elem.out_num;
- } else {
- iov = pdu->elem.in_sg;
- niov = pdu->elem.in_num;
- }
+ virtio_init_iov_from_pdu(pdu, &iov, &niov, is_write);
qemu_iovec_init_external(&elem, iov, niov);
qemu_iovec_init(qiov, niov);
diff --git a/hw/9pfs/virtio-9p.h b/hw/9pfs/virtio-9p.h
index e298949..5024ad0 100644
--- a/hw/9pfs/virtio-9p.h
+++ b/hw/9pfs/virtio-9p.h
@@ -327,6 +327,8 @@ ssize_t virtio_pdu_vmarshal(V9fsPDU *pdu, size_t offset,
const char *fmt, va_list ap);
ssize_t virtio_pdu_vunmarshal(V9fsPDU *pdu, size_t offset,
const char *fmt, va_list ap);
+void virtio_init_iov_from_pdu(V9fsPDU *pdu, struct iovec **piov,
+ unsigned int *pniov, bool is_write);
#define TYPE_VIRTIO_9P "virtio-9p-device"
#define VIRTIO_9P(obj) \
--
2.1.4
- [Qemu-devel] [PATCH v2 23/27] 9pfs: move handle_9p_output and make it static function, (continued)
- [Qemu-devel] [PATCH v2 23/27] 9pfs: move handle_9p_output and make it static function, Wei Liu, 2016/01/07
- [Qemu-devel] [PATCH v2 27/27] 9pfs: disentangle V9fsState, Wei Liu, 2016/01/07
- [Qemu-devel] [PATCH v2 20/27] 9pfs: break out 9p.h from virtio-9p.h, Wei Liu, 2016/01/07
- [Qemu-devel] [PATCH v2 25/27] 9pfs: rename virtio-9p.c to 9p.c, Wei Liu, 2016/01/07
- [Qemu-devel] [PATCH v2 11/27] fsdev: 9p-marshal: introduce V9fsBlob, Wei Liu, 2016/01/07
- [Qemu-devel] [PATCH v2 21/27] 9pfs: factor out virtio_9p_push_and_notify, Wei Liu, 2016/01/07
- [Qemu-devel] [PATCH v2 19/27] 9pfs: break out virtio_init_iov_from_pdu,
Wei Liu <=
- [Qemu-devel] [PATCH v2 22/27] 9pfs: export pdu_{submit, alloc, free}, Wei Liu, 2016/01/07
- [Qemu-devel] [PATCH v2 15/27] 9pfs: PDU processing functions should start pdu_ prefix, Wei Liu, 2016/01/07
- Re: [Qemu-devel] [PATCH v2 00/27] 9pfs: disentangling virtio and generic code, Aneesh Kumar K.V, 2016/01/08