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Code Issues Releases Wiki Activity

new: devfs删除文件夹

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This commit is contained in:
fslongjin
2022-09-12 23:56:31 +08:00
parent d60f1a8f80
commit 9f2b080cda
24 changed files with 366 additions and 92 deletions
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9
kernel/filesystem/VFS/mount.c
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@ -29,16 +29,17 @@ int do_mount(struct vfs_dir_entry_t *old_dentry, struct vfs_dir_entry_t *new_den
list_init(&mp->mnt_list);
mp->dentry = old_dentry;
mp->parent_dentry = old_dentry->parent;
// kdebug("&new_dentry->name=%#018lx, &old_dentry->name=%#018lx", &new_dentry->name, &old_dentry->name);
// 拷贝名称
strncpy(new_dentry->name, old_dentry->name, old_dentry->name_length);
new_dentry->d_flags |= VFS_DF_MOUNTED; // 标记新的dentry是一个挂载点
list_init(&new_dentry->child_node_list);
list_init(&new_dentry->subdirs_list);
new_dentry->parent = old_dentry->parent;
// 将新的dentry的list结点替换掉父dentry的列表中的old_dentry的list结点
list_replace(&old_dentry->child_node_list, &new_dentry->child_node_list);
@ -50,11 +51,11 @@ int do_mount(struct vfs_dir_entry_t *old_dentry, struct vfs_dir_entry_t *new_den
/**
* @brief 取消某个文件系统的挂载
*
*
* @param dentry 对应文件系统的根dentry
* @return int 错误码
*/
int do_umount(struct vfs_dir_entry_t* dentry)
int do_umount(struct vfs_dir_entry_t *dentry)
{
// todo: 实现umount（主要是结点的恢复问题）