#ifndef _FS_MSDOS_FS_H #define _FS_MSDOS_FS_H /* * MS-DOS file system in-core superblock data */ struct msdos_sb_info { unsigned short cluster_size; /* sectors/cluster */ unsigned char fats, fat_bits; /* number of FATs, FAT bits (12 or 16) */ unsigned short fat_start, fat_length; /* FAT start & length (sec.) */ unsigned short dir_start, dir_entries; /* root dir start & entries */ unsigned short data_start; /* first data sector */ unsigned long clusters; /* number of clusters */ uid_t fs_uid; gid_t fs_gid; int quiet; /* fake successful chmods and chowns */ unsigned short fs_umask; unsigned char name_check; /* r = relaxed, n = normal, s = strict */ unsigned char conversion; /* b = binary, t = text, a = auto */ struct wait_queue *fat_wait; int fat_lock; int prev_free; /* previously returned free cluster number */ int free_clusters; /* -1 if undefined */ }; /* * MS-DOS file system inode data in memory */ struct msdos_inode_info { int i_start; /* first cluster or 0 */ int i_attrs; /* unused attribute bits */ int i_busy; /* file is either deleted but still open, or inconsistent (mkdir) */ struct inode *i_depend; /* pointer to inode that depends on the current inode */ struct inode *i_old; /* pointer to the old inode this inode depends on */ int i_binary; /* file contains non-text data */ }; #endif