fix: memory leakage in file descriptor allocation

[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 94c6e6bbd918d112bb3d1761a810e2d2ceb8b3e9..4f57e08c37a99ac5fe547cb11645cda9d54b088b 100644 (file)
--- a/lunaix-os/includes/lunaix/fs.h
+++ b/lunaix-os/includes/lunaix/fs.h
@@ -197,12 +197,13 @@ struct v_inode
     uint32_t link_count;
     uint32_t lb_usage;
     uint32_t fsize;
     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 llist_header aka_dnodes;

     struct llist_header xattrs;
     struct v_superblock* sb;
     struct hlist_node hash_list;
     struct lru_node lru;
     struct pcache* pg_cache;
     struct llist_header xattrs;
     struct v_superblock* sb;
     struct hlist_node hash_list;
     struct lru_node lru;
     struct pcache* pg_cache;

-    void* data; // 允许底层FS绑定他的一些专有数据

     struct v_inode_ops* ops;
     struct v_file_ops* default_fops;
 };
     struct v_inode_ops* ops;
     struct v_file_ops* default_fops;
 };


@@ -228,6 +229,7 @@ struct v_dnode
     struct v_inode* inode;
     struct v_dnode* parent;
     struct hlist_node hash_list;
     struct v_inode* inode;
     struct v_dnode* parent;
     struct hlist_node hash_list;

+    struct llist_header aka_list;

     struct llist_header children;
     struct llist_header siblings;
     struct v_superblock* super_block;
     struct llist_header children;
     struct llist_header siblings;
     struct v_superblock* super_block;


@@ -262,7 +264,7 @@ struct pcache_pg
     uint32_t flags;
     uint32_t fpos;
 };
     uint32_t flags;
     uint32_t fpos;
 };

-/* --- file system manager --- */
+

 void
 fsm_init();
 
 void
 fsm_init();
 


@@ -281,6 +283,9 @@ fsm_get(const char* fs_name);
 void
 vfs_init();
 
 void
 vfs_init();
 

+void
+vfs_export_attributes();
+

 struct v_dnode*
 vfs_dcache_lookup(struct v_dnode* parent, struct hstr* str);
 
 struct v_dnode*
 vfs_dcache_lookup(struct v_dnode* parent, struct hstr* str);
 


@@ -330,9 +335,15 @@ vfs_mkdir(const char* path, struct v_dnode** dentry);
 int
 vfs_open(struct v_dnode* dnode, struct v_file** file);
 
 int
 vfs_open(struct v_dnode* dnode, struct v_file** file);
 

+int
+vfs_pclose(struct v_file* file, pid_t pid);
+

 int
 vfs_close(struct v_file* file);
 
 int
 vfs_close(struct v_file* file);
 

+void
+vfs_free_fd(struct v_fd* fd);
+

 int
 vfs_fsync(struct v_file* file);
 
 int
 vfs_fsync(struct v_file* file);
 


@@ -372,6 +383,15 @@ vfs_getfd(int fd, struct v_fd** fd_s);
 int
 vfs_get_dtype(int itype);
 
 int
 vfs_get_dtype(int itype);
 

+void
+vfs_ref_dnode(struct v_dnode* dnode);
+
+void
+vfs_unref_dnode(struct v_dnode* dnode);
+
+int
+vfs_get_path(struct v_dnode* dnode, char* buf, size_t size, int depth);
+

 void
 pcache_init(struct pcache* pcache);
 
 void
 pcache_init(struct pcache* pcache);