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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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18
kernel/filesystem/fat32/fat32.h
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@ -155,9 +155,9 @@ typedef struct fat32_partition_info_t fat32_sb_info_t;
struct fat32_inode_info_t
{
uint64_t first_clus;
uint64_t dEntry_location_clus; // dEntry struct in cluster (0 is root, 1 is invalid)
uint64_t dEntry_location_clus_offset; // dEntry struct offset in cluster
uint64_t first_clus; // 文件的起始簇号
uint64_t dEntry_location_clus; // fat entry的起始簇号 dEntry struct in cluster (0 is root, 1 is invalid)
uint64_t dEntry_location_clus_offset; // fat entry在起始簇中的偏移量(是第几个entry) dEntry struct offset in cluster
uint16_t create_date;
uint16_t create_time;
@ -189,4 +189,14 @@ struct vfs_superblock_t *fat32_read_superblock(void *DPTE, uint8_t DPT_type, voi
long fat32_create(struct vfs_index_node_t *inode, struct vfs_dir_entry_t *dentry, int mode);
void fat32_init();
void fat32_init();
/**
* @brief 读取文件夹(在指定目录中找出有效目录项)
*
* @param file_ptr 文件结构体指针
* @param dirent 返回的dirent
* @param filler 填充dirent的函数
* @return int64_t
*/
int64_t fat32_readdir(struct vfs_file_t *file_ptr, void *dirent, vfs_filldir_t filler);