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Code Issues Releases Wiki Activity

部分完成了readdir

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This commit is contained in:
fslongjin
2022-05-27 13:41:10 +08:00
parent 156c2c2389
commit a4157bb4a7
10 changed files with 385 additions and 12 deletions
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16
kernel/filesystem/VFS/VFS.h
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@ -124,6 +124,12 @@ struct vfs_dir_entry_operations_t
long (*iput)(struct vfs_dir_entry_t *dEntry, struct vfs_index_node_t *inode);
};
/**
* @brief 填充dirent的函数指针的类型定义
*
*/
typedef int (*vfs_filldir_t)(void *buf, ino_t d_ino, char *name, int namelen, unsigned char type, off_t offset);
struct vfs_file_operations_t
{
long (*open)(struct vfs_index_node_t *inode, struct vfs_file_t *file_ptr);
@ -132,6 +138,8 @@ struct vfs_file_operations_t
long (*write)(struct vfs_file_t *file_ptr, char *buf, int64_t count, long *position);
long (*lseek)(struct vfs_file_t *file_ptr, long offset, long origin);
long (*ioctl)(struct vfs_index_node_t *inode, struct vfs_file_t *file_ptr, uint64_t cmd, uint64_t arg);
long (*readdir)(struct vfs_file_t *file_ptr, void *dirent, vfs_filldir_t filler); // 读取文件夹
};
/**
@ -161,4 +169,10 @@ struct vfs_superblock_t *vfs_mount_fs(char *name, void *DPTE, uint8_t DPT_type,
* @param flags 1：返回父目录项， 0：返回结果目录项
* @return struct vfs_dir_entry_t* 目录项
*/
struct vfs_dir_entry_t *vfs_path_walk(char *path, uint64_t flags);
struct vfs_dir_entry_t *vfs_path_walk(char *path, uint64_t flags);
/**
* @brief 填充dentry
*
*/
int vfs_fill_dentry(void *buf, ino_t d_ino, char *name, int namelen, unsigned char type, off_t offset);