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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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31
kernel/filesystem/VFS/VFS.h
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@ -28,12 +28,13 @@ extern struct vfs_superblock_t *vfs_root_sb;
#define VFS_MAX_PATHLEN 1024
/**
* @brief 目录项的属性
* @brief inode的属性
*
*/
#define VFS_ATTR_FILE (1UL << 0)
#define VFS_ATTR_DIR (1UL << 1)
#define VFS_ATTR_DEVICE (1UL << 2)
#define VFS_IF_FILE (1UL << 0)
#define VFS_IF_DIR (1UL << 1)
#define VFS_IF_DEVICE (1UL << 2)
#define VFS_IF_DEAD (1UL<<3) /* removed, but still open directory */
struct vfs_super_block_operations_t;
struct vfs_inode_operations_t;
@ -41,10 +42,13 @@ struct vfs_inode_operations_t;
struct vfs_index_node_t;
struct vfs_dir_entry_operations_t;
#define VFS_DF_MOUNTED (1 << 0) // 当前dentry是一个挂载点
#define VFS_DF_CANNOT_MOUNT (1 << 1) // 当前dentry是一个挂载点
struct vfs_dir_entry_t
{
char *name;
int name_length;
uint32_t d_flags; // dentry标志位
struct List child_node_list;
struct List subdirs_list;
@ -218,8 +222,8 @@ struct vfs_dir_entry_t *vfs_alloc_dentry(const int name_size);
/**
* @brief 打开文件
*
* @param filename 文件路径
*
* @param filename 文件路径
* @param flags 标志位
* @return uint64_t 错误码
*/
@ -227,10 +231,19 @@ uint64_t do_open(const char *filename, int flags);
/**
* @brief 创建文件夹
*
*
* @param path 文件夹路径
* @param mode 创建模式
* @param from_userland 该创建请求是否来自用户态
* @param from_userland 该创建请求是否来自用户态
* @return int64_t 错误码
*/
int64_t vfs_mkdir(const char* path, mode_t mode, bool from_userland);
int64_t vfs_mkdir(const char *path, mode_t mode, bool from_userland);
/**
* @brief 删除文件夹
*
* @param path 文件夹路径
* @param from_userland 请求是否来自用户态
* @return int64_t 错误码
*/
int64_t vfs_rmdir(const char *path, bool from_userland);