From e3811a93235976fc85a11846ea8363a86329ee5f Mon Sep 17 00:00:00 2001
From: hinus <hinus@163.com>
Date: Wed, 11 Aug 2021 17:03:51 +0800
Subject: [PATCH] Title: System call 'stat' Issue:
 https://gitee.com/hinus/linux_kernel_011/issues/I44ZQJ Description: System
 call 'stat'

---
 fs/stat.c           | 9 +++++++++
 include/linux/sys.h | 4 ++--
 2 files changed, 11 insertions(+), 2 deletions(-)

diff --git a/fs/stat.c b/fs/stat.c
index 6508e45..8e8dda7 100644
--- a/fs/stat.c
+++ b/fs/stat.c
@@ -29,6 +29,15 @@ static void cp_stat(struct m_inode * inode, struct stat * statbuf) {
     }
 }
 
+int sys_stat(char * filename, struct stat * statbuf) {
+    struct m_inode * inode;
+    if (!(inode=namei(filename)))
+        return -ENOENT;
+    cp_stat(inode,statbuf);
+    iput(inode);
+    return 0;
+}
+
 int sys_fstat(unsigned int fd, struct stat * statbuf) {
     struct file * f;
     struct m_inode * inode;
diff --git a/include/linux/sys.h b/include/linux/sys.h
index e37c652..8c92ab3 100644
--- a/include/linux/sys.h
+++ b/include/linux/sys.h
@@ -16,7 +16,7 @@ extern int sys_time();
 extern int sys_chmod();
 extern int sys_chown();
 extern int sys_break();
-//extern int sys_stat();
+extern int sys_stat();
 extern int sys_lseek();
 extern int sys_getpid();
 //extern int sys_mount();
@@ -107,7 +107,7 @@ fn_ptr sys_call_table[] = {
 
     sys_chown,
     sys_break,
-    0, //sys_stat,
+    sys_stat,
     sys_lseek,
     sys_getpid,
     0, //sys_mount,
-- 
Gitee