feat: implement fsync(2) and hard link support [link(2)]

[lunaix-os.git] / lunaix-os / includes / lunaix / fs.h

diff --git a/lunaix-os/includes/lunaix/fs.h b/lunaix-os/includes/lunaix/fs.h
index fe9b39b6ea2cdff27de62b585c18a4bccf82a38c..d233ff09e0289d05f84e2a3c9578254766b7b7bf 100644 (file)
--- a/lunaix-os/includes/lunaix/fs.h
+++ b/lunaix-os/includes/lunaix/fs.h
@@ -14,6 +14,7 @@
 #define VFS_INODE_TYPE_DIR 0x1
 #define VFS_INODE_TYPE_FILE 0x2
 #define VFS_INODE_TYPE_DEVICE 0x4
+#define VFS_INODE_TYPE_SYMLINK 0x8
 
 #define VFS_ENOFS -2
 #define VFS_EBADMNT -3
@@ -89,6 +90,7 @@ struct v_file_ops
 struct v_file
 {
     struct v_inode* inode;
+    struct v_dnode* dnode;
     struct llist_header* f_list;
     uint32_t f_pos;
     void* data; // 允许底层FS绑定他的一些专有数据
@@ -107,17 +109,21 @@ struct v_inode
     uint32_t ctime;
     uint32_t mtime;
     uint64_t lb_addr;
-    uint32_t ref_count;
+    uint32_t open_count;
+    uint32_t link_count;
     uint32_t lb_usage;
     uint32_t fsize;
     void* data; // 允许底层FS绑定他的一些专有数据
     struct
     {
-        int (*create)(struct v_inode* inode, struct v_file* file);
-        int (*open)(struct v_inode* inode, struct v_file* file);
-        int (*sync)(struct v_inode* inode);
-        int (*mkdir)(struct v_inode* inode, struct v_dnode* dnode);
-        int (*dir_lookup)(struct v_inode* inode, struct v_dnode* dnode);
+        int (*create)(struct v_inode* this, struct v_file* file);
+        int (*open)(struct v_inode* this, struct v_file* file);
+        int (*sync)(struct v_inode* this);
+        int (*mkdir)(struct v_inode* this, struct v_dnode* dnode);
+        int (*rmdir)(struct v_inode* this);
+        int (*unlink)(struct v_inode* this);
+        int (*link)(struct v_inode* this, struct v_dnode* new_name);
+        int (*dir_lookup)(struct v_inode* this, struct v_dnode* dnode);
     } ops;
 };