Update file_dev.c

linux-0.11-lab/0/linux/fs/file_dev.c

@@ -116,29 +116,32 @@ int sys_getdents(unsigned int fd, struct linux_dirent *d, unsigned int count)
         return ENOTDIR;
 
     inode = file->f_inode;
-    block = bread(inode->i_dev,inode->i_zone[0]);
+	for (i = 0; i <= inode->i_size/0x400; i++)
+	{
+		block = bread(inode->i_dev,inode->i_zone[i]);
 
-    /* count:   size of linux_dirent[], target 
-     * dd_size: size of dir_entry[], block 400?
-     */
-    for (dpos = 0,bpos = 0;bpos<inode->i_size;bpos += sizeof(struct dir_entry)) {
-        if (dpos >= (count-ld_size))
-            return 0; /* d full */
-        ptr = (struct dir_entry *) (bpos + block->b_data);
-        if (!ptr -> inode)
-            continue; /* when it 's empty inode, jump it */
-        
-        tmp.d_ino = ptr -> inode;
-		for (i = 0; i < 14; i++) tmp.d_name[i] = ptr -> name[i];
-        tmp.d_reclen = sizeof(tmp);
-        tmp.d_off = 0;
+		/* count:   size of linux_dirent[], target 
+		* dd_size: size of dir_entry[], block 400?
+		*/
+		for (dpos = 0,bpos = 0;bpos<inode->i_size;bpos += sizeof(struct dir_entry)) {
+			if (dpos >= (count-ld_size))
+				return 0; /* d full */
+			ptr = (struct dir_entry *) (bpos + block->b_data);
+			if (!ptr -> inode)
+				continue; /* when it 's empty inode, jump it */
+			
+			tmp.d_ino = ptr -> inode;
+			for (i = 0; i < 14; i++) tmp.d_name[i] = ptr -> name[i];
+			tmp.d_reclen = sizeof(tmp);
+			tmp.d_off = 0;
 
-		buf = &tmp;
-        for (i = 0; i < tmp.d_reclen; i++){
-            put_fs_byte(*(buf+i),((char*)d)+i+dpos); /* move data from kernel to user */ 
-        }
-        dpos += tmp.d_reclen;
-    }
+			buf = &tmp;
+			for (i = 0; i < tmp.d_reclen; i++){
+				put_fs_byte(*(buf+i),((char*)d)+i+dpos); /* move data from kernel to user */ 
+			}
+			dpos += tmp.d_reclen;
+		}
+	}
     return dpos;
 }