zvfs: 完成open/close/read/write/unlink的hook动态库代码编写、编译与简单功能测试。

zvfs.h

@@ -13,7 +13,7 @@
 #define ZVFS_MAX_FD     64
 #define BUFFER_SIZE     (1024*8)
 
-static const char *json_file = "/home/lian/share/10.1-spdk/zvfs/zvfs.json";
+extern const char *json_file;
 extern struct spdk_thread *global_thread;
 static const int WAITER_MAX_TIME = 100000;
 
@@ -29,6 +29,7 @@ typedef struct {
 
 /* 文件系统全局结构 */
 typedef struct zvfs_s {
+    struct spdk_bs_dev      *bs_dev;
     struct spdk_blob_store  *bs;
     struct spdk_io_channel  *channel;
     struct spdk_blob        *super_blob;    // 承载目录日志的blob
@@ -39,7 +40,7 @@ typedef struct zvfs_s {
     uint32_t                dirent_count;   // 当前有效项数
 
     /* 伪FD表 */
-    struct zvfs_file        *fd_table[ZVFS_MAX_FD]; // // e.g., #define ZVFS_MAX_FD 64
+    struct zvfs_file_s      *fd_table[ZVFS_MAX_FD]; // // e.g., #define ZVFS_MAX_FD 64
     int                     fd_base;                // 伪FD起始值，如1000
 	int 					openfd_count;
 
@@ -66,6 +67,9 @@ typedef struct zvfs_file_s {
     void                    *dma_buf;
     uint64_t                dma_buf_size;
     
+    size_t          actual_io_count;
+    const uint8_t  *write_staging_buf; 
+
     size_t                  io_count;
     bool finished;
 } zvfs_file_t;
@@ -83,9 +87,10 @@ int zvfs_close(struct zvfs_file_s *file);
 int zvfs_delete(struct zvfs_file_s *file);
 
 /* POSIX hook API（zvfs_hook.c 实现） */
-int     zvfs_open_hook(const char *path, int flags, ...);
-ssize_t zvfs_read_hook(int fd, void *buf, size_t count);
-ssize_t zvfs_write_hook(int fd, const void *buf, size_t count);
-int     zvfs_close_hook(int fd);
+int     open(const char *path, int flags, ...);
+ssize_t read(int fd, void *buf, size_t count);
+ssize_t write(int fd, const void *buf, size_t count);
+int     close(int fd);
+int unlink(const char *name);
 
 #endif