kernel: vfs: Add support for write()

Signed-off-by: Ian Moffett <ian@osmora.org>

1 files changed, 13 insertions, 0 deletions

diff --git a/sys/kern/vfs_subr.c b/sys/kern/vfs_subr.c
index f67bcfe..da0a4f9 100644
--- a/sys/kern/vfs_subr.c
+++ b/sys/kern/vfs_subr.c
@@ -167,6 +167,19 @@ vfs_vop_read(struct vnode *vp, struct sio_txn *sio)
 }
 
 int
+vfs_vop_write(struct vnode *vp, struct sio_txn *sio)
+{
+    const struct vops *vops = vp->vops;
+
+    if (vops == NULL)
+        return -EIO;
+    if (vops->write == NULL)
+        return -EIO;
+
+    return vops->write(vp, sio);
+}
+
+int
 vfs_vop_getattr(struct vnode *vp, struct vop_getattr_args *args)
 {
     const struct vops *vops = vp->vops;