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将具体磁盘类型与fat32文件系统进行分离

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fslongjin
2022-09-06 14:10:17 +08:00
parent 0fcba99282
commit 339053a20e
23 changed files with 307 additions and 138 deletions
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6
kernel/filesystem/fat32/fat_ent.h
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@ -26,21 +26,23 @@ int fat32_free_clusters(struct vfs_index_node_t *inode, int32_t cluster);
/**
* @brief 读取指定簇的FAT表项
*
* @param blk 块设备结构体
* @param fsbi fat32超级块私有信息结构体
* @param cluster 指定簇
* @return uint32_t 下一个簇的簇号
*/
uint32_t fat32_read_FAT_entry(fat32_sb_info_t *fsbi, uint32_t cluster);
uint32_t fat32_read_FAT_entry(struct block_device * blk, fat32_sb_info_t *fsbi, uint32_t cluster);
/**
* @brief 写入指定簇的FAT表项
*
* @param blk 块设备结构体
* @param fsbi fat32超级块私有信息结构体
* @param cluster 指定簇
* @param value 要写入该fat表项的值
* @return uint32_t errcode
*/
uint32_t fat32_write_FAT_entry(fat32_sb_info_t *fsbi, uint32_t cluster, uint32_t value);
uint32_t fat32_write_FAT_entry(struct block_device * blk, fat32_sb_info_t *fsbi, uint32_t cluster, uint32_t value);
/**
* @brief 在父亲inode的目录项簇中，寻找连续num个空的目录项