disk_page_erase_t erase; ///< Page erase.
disk_close_t close; ///< Disk deinit.
- pgaddr_t page_size; ///< Size of a disk page, in bytes.
+ pgaddr_t page_size; ///< Size of a memory page, in bytes. Used by disk low level driver.
+ pgaddr_t data_size; ///< Size of space usable for data in a disk page, in bytes. The rest is used by the page header.
pgcnt_t page_count; ///< Number of pages on disk.
/**
* the entire disk in memory.
*/
pgcnt_t *page_array;
- struct BattFsPageHeader curr_hdr; ///< Current page header (cached)-
pgcnt_t curr_page; ///< Current page loaded in disk buffer.
bool cache_dirty; ///< True if current cache is dirty (nneds to be flushed).
/* TODO add other fields. */
} BattFsSuper;
+/**
+ * True if space on \a disk is over.
+ */
+#define SPACE_OVER(disk) ((disk)->free_page_start >= (disk)->page_count)
+
typedef uint8_t filemode_t; ///< Type for file open modes.
typedef int32_t file_size_t; ///< Type for file sizes.
BattFsSuper *disk; ///< Disk context
filemode_t mode; ///< File open mode
pgcnt_t *start; ///< Pointer to page_array file start position.
+ pgcnt_t max_off; ///< Max page offset allocated for the file.
} BattFs;
/**
return (BattFs *)fd;
}
-bool battfs_init(struct BattFsSuper *d);
-bool battfs_close(struct BattFsSuper *disk);
+bool battfs_mount(struct BattFsSuper *d);
+bool battfs_fsck(struct BattFsSuper *disk);
+bool battfs_umount(struct BattFsSuper *disk);
bool battfs_fileExists(BattFsSuper *disk, inode_t inode);
bool battfs_fileopen(BattFsSuper *disk, BattFs *fd, inode_t inode, filemode_t mode);