44 				    struct buffer_head *bh,  in fat_make_i_pos()  argument
47 	return ((loff_t)bh->b_blocknr << MSDOS_SB(sb)->dir_per_block_bits)  in fat_make_i_pos()
48 		| (de - (struct msdos_dir_entry *)bh->b_data);  in fat_make_i_pos()
56 	struct buffer_head *bh;  in fat_dir_readahead()  local
66 	bh = sb_find_get_block(sb, phys);  in fat_dir_readahead()
67 	if (bh == NULL || !buffer_uptodate(bh)) {  in fat_dir_readahead()
71 	brelse(bh);  in fat_dir_readahead()
85 			  struct buffer_head **bh, struct msdos_dir_entry **de)  in fat__get_entry()  argument
93 	brelse(*bh);  in fat__get_entry()
94 	*bh = NULL;  in fat__get_entry()
102 	*bh = sb_bread(sb, phys);  in fat__get_entry()
103 	if (*bh == NULL) {  in fat__get_entry()
113 	*de = (struct msdos_dir_entry *)((*bh)->b_data + offset);  in fat__get_entry()
119 				struct buffer_head **bh,  in fat_get_entry()  argument
123 	if (*bh && *de &&  in fat_get_entry()
124 	   (*de - (struct msdos_dir_entry *)(*bh)->b_data) <  in fat_get_entry()
130 	return fat__get_entry(dir, pos, bh, de);  in fat_get_entry()
144 			     struct buffer_head **bh,  in fat_get_entry_eod()  argument
147 	int err = fat_get_entry(dir, pos, bh, de);  in fat_get_entry_eod()
150 		brelse(*bh);  in fat_get_entry_eod()
151 		*bh = NULL;  in fat_get_entry_eod()
319 			  struct buffer_head **bh, struct msdos_dir_entry **de,  in fat_parse_long()  argument
328 			brelse(*bh);  in fat_parse_long()
355 		if (fat_get_entry_eod(dir, pos, bh, de) < 0)  in fat_parse_long()
507 	struct buffer_head *bh = NULL;  in fat_search_long()  local
517 		if (fat_get_entry_eod(inode, &cpos, &bh, &de) == -1)  in fat_search_long()
528 			int status = fat_parse_long(inode, &cpos, &bh, &de,  in fat_search_long()
570 	sinfo->bh = bh;  in fat_search_long()
571 	sinfo->i_pos = fat_make_i_pos(sb, sinfo->bh, sinfo->de);  in fat_search_long()
598 	struct buffer_head *bh;  in __fat_readdir()  local
627 	bh = NULL;  in __fat_readdir()
629 	if (fat_get_entry_eod(inode, &cpos, &bh, &de) == -1)  in __fat_readdir()
650 		int status = fat_parse_long(inode, &cpos, &bh, &de,  in __fat_readdir()
653 			bh = NULL;  in __fat_readdir()
709 		loff_t i_pos = fat_make_i_pos(sb, bh, de);  in __fat_readdir()
732 	brelse(bh);  in __fat_readdir()
910 			       struct buffer_head **bh,  in fat_get_short_entry()  argument
913 	while (fat_get_entry_eod(dir, pos, bh, de) >= 0) {  in fat_get_short_entry()
930 int fat_get_dotdot_entry(struct inode *dir, struct buffer_head **bh,  in fat_get_dotdot_entry()  argument
936 	while (fat_get_short_entry(dir, &offset, bh, de) >= 0) {  in fat_get_dotdot_entry()
947 	struct buffer_head *bh;  in fat_dir_empty()  local
952 	bh = NULL;  in fat_dir_empty()
954 	while (fat_get_short_entry(dir, &cpos, &bh, &de) >= 0) {  in fat_dir_empty()
961 	brelse(bh);  in fat_dir_empty()
972 	struct buffer_head *bh;  in fat_subdirs()  local
977 	bh = NULL;  in fat_subdirs()
979 	while (fat_get_short_entry(dir, &cpos, &bh, &de) >= 0) {  in fat_subdirs()
983 	brelse(bh);  in fat_subdirs()
997 	sinfo->bh = NULL;  in fat_scan()
998 	while (fat_get_short_entry(dir, &sinfo->slot_off, &sinfo->bh,  in fat_scan()
1003 			sinfo->i_pos = fat_make_i_pos(sb, sinfo->bh, sinfo->de);  in fat_scan()
1021 	sinfo->bh = NULL;  in fat_scan_logstart()
1022 	while (fat_get_short_entry(dir, &sinfo->slot_off, &sinfo->bh,  in fat_scan_logstart()
1027 			sinfo->i_pos = fat_make_i_pos(sb, sinfo->bh, sinfo->de);  in fat_scan_logstart()
1037 	struct buffer_head *bh;  in __fat_remove_entries()  local
1042 		bh = NULL;  in __fat_remove_entries()
1043 		if (fat_get_entry(dir, &pos, &bh, &de) < 0) {  in __fat_remove_entries()
1049 		endp = (struct msdos_dir_entry *)(bh->b_data + sb->s_blocksize);  in __fat_remove_entries()
1055 		mmb_mark_buffer_dirty(bh, &MSDOS_I(dir)->i_metadata_bhs);  in __fat_remove_entries()
1057 			err = sync_dirty_buffer(bh);  in __fat_remove_entries()
1058 		brelse(bh);  in __fat_remove_entries()
1073 	struct buffer_head *bh;  in fat_remove_entries()  local
1083 	bh = sinfo->bh;  in fat_remove_entries()
1084 	sinfo->bh = NULL;  in fat_remove_entries()
1085 	while (nr_slots && de >= (struct msdos_dir_entry *)bh->b_data) {  in fat_remove_entries()
1090 	mmb_mark_buffer_dirty(bh, &MSDOS_I(dir)->i_metadata_bhs);  in fat_remove_entries()
1092 		err = sync_dirty_buffer(bh);  in fat_remove_entries()
1093 	brelse(bh);  in fat_remove_entries()
1240 			       struct buffer_head **bh)  in fat_add_new_entries()  argument
1299 	*bh = bhs[n];  in fat_add_new_entries()
1300 	*de = (struct msdos_dir_entry *)((*bh)->b_data + offset);  in fat_add_new_entries()
1310 	brelse(*bh);  in fat_add_new_entries()
1311 	*bh = NULL;  in fat_add_new_entries()
1326 	struct buffer_head *bh, *prev, *bhs[3]; /* 32*slots (672bytes) */  in fat_add_entries()  local
1336 	bh = prev = NULL;  in fat_add_entries()
1340 	while (fat_get_entry(dir, &pos, &bh, &de) > -1) {  in fat_add_entries()
1348 			if (prev != bh) {  in fat_add_entries()
1349 				get_bh(bh);  in fat_add_entries()
1350 				bhs[nr_bhs] = prev = bh;  in fat_add_entries()
1430 					      &de, &bh);  in fat_add_entries()
1450 	sinfo->bh = bh;  in fat_add_entries()
1451 	sinfo->i_pos = fat_make_i_pos(sb, sinfo->bh, sinfo->de);  in fat_add_entries()
1456 	brelse(bh);  in fat_add_entries()
1462 	brelse(bh);  in fat_add_entries()