39 static inline loff_t fat_make_i_pos(struct super_block *sb,  in fat_make_i_pos()  argument
43 	return ((loff_t)bh->b_blocknr << MSDOS_SB(sb)->dir_per_block_bits)  in fat_make_i_pos()
50 	struct super_block *sb = dir->i_sb;  in fat_dir_readahead()  local
51 	struct msdos_sb_info *sbi = MSDOS_SB(sb);  in fat_dir_readahead()
62 	bh = sb_find_get_block(sb, phys);  in fat_dir_readahead()
65 			sb_breadahead(sb, phys + sec);  in fat_dir_readahead()
83 	struct super_block *sb = dir->i_sb;  in fat__get_entry()  local
93 	iblock = *pos >> sb->s_blocksize_bits;  in fat__get_entry()
100 	*bh = sb_bread(sb, phys);  in fat__get_entry()
102 		fat_msg_ratelimit(sb, KERN_ERR,  in fat__get_entry()
105 		*pos = (iblock + 1) << sb->s_blocksize_bits;  in fat__get_entry()
109 	offset = *pos & (sb->s_blocksize - 1);  in fat__get_entry()
141 static int uni16_to_x8(struct super_block *sb, unsigned char *ascii,  in uni16_to_x8()  argument
144 	int uni_xlate = MSDOS_SB(sb)->options.unicode_xlate;  in uni16_to_x8()
173 		fat_msg(sb, KERN_WARNING,  in uni16_to_x8()
181 static inline int fat_uni_to_x8(struct super_block *sb, const wchar_t *uni,  in fat_uni_to_x8()  argument
184 	struct msdos_sb_info *sbi = MSDOS_SB(sb);  in fat_uni_to_x8()
189 		return uni16_to_x8(sb, buf, uni, size, sbi->nls_io);  in fat_uni_to_x8()
350 static int fat_parse_short(struct super_block *sb,  in fat_parse_short()  argument
354 	const struct msdos_sb_info *sbi = MSDOS_SB(sb);  in fat_parse_short()
451 			name_len = fat_uni_to_x8(sb, uni_name, name,  in fat_parse_short()
465 	struct super_block *sb = inode->i_sb;  in fat_search_long()  local
466 	struct msdos_sb_info *sbi = MSDOS_SB(sb);  in fat_search_long()
506 		len = fat_parse_short(sb, de, bufname, 0);  in fat_search_long()
519 			len = fat_uni_to_x8(sb, unicode, longname, size);  in fat_search_long()
531 	sinfo->i_pos = fat_make_i_pos(sb, sinfo->bh, sinfo->de);  in fat_search_long()
556 	struct super_block *sb = inode->i_sb;  in __fat_readdir()  local
557 	struct msdos_sb_info *sbi = MSDOS_SB(sb);  in __fat_readdir()
626 			int len = fat_uni_to_x8(sb, unicode, longname, size);  in __fat_readdir()
634 			short_len = fat_parse_short(sb, de, bufname,  in __fat_readdir()
649 	short_len = fat_parse_short(sb, de, bufname, sbi->options.dotsOK);  in __fat_readdir()
668 		loff_t i_pos = fat_make_i_pos(sb, bh, de);  in __fat_readdir()
669 		struct inode *tmp = fat_iget(sb, i_pos);  in __fat_readdir()
674 			inum = iunique(sb, MSDOS_ROOT_INO);  in __fat_readdir()
951 	struct super_block *sb = dir->i_sb;  in fat_scan()  local
960 			sinfo->i_pos = fat_make_i_pos(sb, sinfo->bh, sinfo->de);  in fat_scan()
975 	struct super_block *sb = dir->i_sb;  in fat_scan_logstart()  local
981 		if (fat_get_start(MSDOS_SB(sb), sinfo->de) == i_logstart) {  in fat_scan_logstart()
984 			sinfo->i_pos = fat_make_i_pos(sb, sinfo->bh, sinfo->de);  in fat_scan_logstart()
993 	struct super_block *sb = dir->i_sb;  in __fat_remove_entries()  local
1006 		endp = (struct msdos_dir_entry *)(bh->b_data + sb->s_blocksize);  in __fat_remove_entries()
1028 	struct super_block *sb = dir->i_sb;  in fat_remove_entries()  local
1063 			fat_msg(sb, KERN_WARNING,  in fat_remove_entries()
1081 	struct super_block *sb = dir->i_sb;  in fat_zeroed_cluster()  local
1082 	sector_t last_blknr = blknr + MSDOS_SB(sb)->sec_per_clus;  in fat_zeroed_cluster()
1089 		bhs[n] = sb_getblk(sb, blknr);  in fat_zeroed_cluster()
1094 		memset(bhs[n]->b_data, 0, sb->s_blocksize);  in fat_zeroed_cluster()
1129 	struct super_block *sb = dir->i_sb;  in fat_alloc_new_dir()  local
1130 	struct msdos_sb_info *sbi = MSDOS_SB(sb);  in fat_alloc_new_dir()
1143 	bhs[0] = sb_getblk(sb, blknr);  in fat_alloc_new_dir()
1172 	memset(de + 2, 0, sb->s_blocksize - 2 * sizeof(*de));  in fat_alloc_new_dir()
1193 	struct super_block *sb = dir->i_sb;  in fat_add_new_entries()  local
1194 	struct msdos_sb_info *sbi = MSDOS_SB(sb);  in fat_add_new_entries()
1223 			bhs[n] = sb_getblk(sb, blknr);  in fat_add_new_entries()
1230 			copy = min(size, sb->s_blocksize);  in fat_add_new_entries()
1243 	memset(bhs[n]->b_data + copy, 0, sb->s_blocksize - copy);  in fat_add_new_entries()
1248 	*i_pos = fat_make_i_pos(sb, *bh, *de);  in fat_add_new_entries()
1272 	struct super_block *sb = dir->i_sb;  in fat_add_entries()  local
1273 	struct msdos_sb_info *sbi = MSDOS_SB(sb);  in fat_add_entries()
1311 		fat_msg(sb, KERN_ERR, "Corrupted directory (i_pos %lld)",  in fat_add_entries()
1328 		int offset = pos & (sb->s_blocksize - 1);  in fat_add_entries()
1333 			int copy = min_t(int, sb->s_blocksize - offset, size);  in fat_add_entries()
1344 			int copy = min_t(int, sb->s_blocksize - offset, size);  in fat_add_entries()
1376 			fat_fs_error(sb, "Odd directory size");  in fat_add_entries()
1386 	sinfo->i_pos = fat_make_i_pos(sb, sinfo->bh, sinfo->de);  in fat_add_entries()