kernel: vfs: Add support for O_CREAT flag

Add support for the O_CREAT flag which allows file creation upon an
open() call.

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

2 files changed, 9 insertions, 0 deletions

diff --git a/sys/include/sys/fcntl.h b/sys/include/sys/fcntl.h
index 122a378..83d38af 100644
--- a/sys/include/sys/fcntl.h
+++ b/sys/include/sys/fcntl.h
@@ -33,6 +33,7 @@
 #define O_RDONLY    0x0000
 #define O_WRONLY    0x0001
 #define O_RDWR      0x0002
+#define O_CREAT     0x0004
 
 /* Makes seal checking easier */
 #if defined(_KERNEL)
diff --git a/sys/include/sys/vnode.h b/sys/include/sys/vnode.h
index cd71817..1a6b2aa 100644
--- a/sys/include/sys/vnode.h
+++ b/sys/include/sys/vnode.h
@@ -86,6 +86,13 @@ struct vop_lookup_args {
     struct vnode **vpp;     /* Result vnode */
 };
 
+struct vop_create_args {
+    const char *path;       /* Full path */
+    const char *ppath;      /* Parent path */
+    struct vnode *dirvp;    /* Directory vnode */
+    struct vnode **vpp;     /* Result vnode */
+};
+
 /*
  * A field in this structure is unavailable
  * if it has a value of VNOVAL.
@@ -106,6 +113,7 @@ struct vops {
     int(*read)(struct vnode *vp, struct sio_txn *sio);
     int(*write)(struct vnode *vp, struct sio_txn *sio);
     int(*reclaim)(struct vnode *vp);
+    int(*create)(struct vop_create_args *args);
 };
 
 extern struct vnode *g_root_vnode;