virtio-9p: Add P9_TWRITE support

Implement P9_TWRITE support.
This gets write to file to work

Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>

1 files changed, 7 insertions, 0 deletions

diff --git a/hw/virtio-9p-local.c b/hw/virtio-9p-local.c
index 81d1971..87aeba8 100644
--- a/hw/virtio-9p-local.c
+++ b/hw/virtio-9p-local.c
@@ -127,6 +127,12 @@ static off_t local_lseek(FsContext *ctx, int fd, off_t offset, int whence)
     return lseek(fd, offset, whence);
 }
 
+static ssize_t local_writev(FsContext *ctx, int fd, const struct iovec *iov,
+                            int iovcnt)
+{
+    return writev(fd, iov, iovcnt);
+}
+
 FileOperations local_ops = {
     .lstat = local_lstat,
     .setuid = local_setuid,
@@ -141,4 +147,5 @@ FileOperations local_ops = {
     .seekdir = local_seekdir,
     .readv = local_readv,
     .lseek = local_lseek,
+    .writev = local_writev,
 };