37 	struct exfat_entry_set_cache es;  in exfat_get_uniname_from_ext_entry()  local
40 	err = exfat_get_dentry_set(&es, sb, p_dir, entry, ES_ALL_ENTRIES);  in exfat_get_uniname_from_ext_entry()
50 	for (i = ES_IDX_FIRST_FILENAME; i < es.num_entries; i++) {  in exfat_get_uniname_from_ext_entry()
51 		struct exfat_dentry *ep = exfat_get_dentry_cached(&es, i);  in exfat_get_uniname_from_ext_entry()
64 	exfat_put_dentry_set(&es, false);  in exfat_get_uniname_from_ext_entry()
423 void exfat_init_dir_entry(struct exfat_entry_set_cache *es,  in exfat_init_dir_entry()  argument
427 	struct super_block *sb = es->sb;  in exfat_init_dir_entry()
431 	ep = exfat_get_dentry_cached(es, ES_IDX_FILE);  in exfat_init_dir_entry()
450 	ep = exfat_get_dentry_cached(es, ES_IDX_STREAM);  in exfat_init_dir_entry()
473 void exfat_init_ext_entry(struct exfat_entry_set_cache *es, int num_entries,  in exfat_init_ext_entry()  argument
480 	es->num_entries = num_entries;  in exfat_init_ext_entry()
481 	ep = exfat_get_dentry_cached(es, ES_IDX_FILE);  in exfat_init_ext_entry()
484 	ep = exfat_get_dentry_cached(es, ES_IDX_STREAM);  in exfat_init_ext_entry()
489 		ep = exfat_get_dentry_cached(es, i);  in exfat_init_ext_entry()
494 	exfat_update_dir_chksum(es);  in exfat_init_ext_entry()
497 void exfat_remove_entries(struct inode *inode, struct exfat_entry_set_cache *es,  in exfat_remove_entries()  argument
503 	for (i = order; i < es->num_entries; i++) {  in exfat_remove_entries()
504 		ep = exfat_get_dentry_cached(es, i);  in exfat_remove_entries()
512 	if (order < es->num_entries)  in exfat_remove_entries()
513 		es->modified = true;  in exfat_remove_entries()
516 void exfat_update_dir_chksum(struct exfat_entry_set_cache *es)  in exfat_update_dir_chksum()  argument
522 	for (i = ES_IDX_FILE; i < es->num_entries; i++) {  in exfat_update_dir_chksum()
523 		ep = exfat_get_dentry_cached(es, i);  in exfat_update_dir_chksum()
528 	ep = exfat_get_dentry_cached(es, ES_IDX_FILE);  in exfat_update_dir_chksum()
530 	es->modified = true;  in exfat_update_dir_chksum()
533 int exfat_put_dentry_set(struct exfat_entry_set_cache *es, int sync)  in exfat_put_dentry_set()  argument
537 	if (es->modified)  in exfat_put_dentry_set()
538 		err = exfat_update_bhs(es->bh, es->num_bh, sync);  in exfat_put_dentry_set()
540 	for (i = 0; i < es->num_bh; i++)  in exfat_put_dentry_set()
542 			bforget(es->bh[i]);  in exfat_put_dentry_set()
544 			brelse(es->bh[i]);  in exfat_put_dentry_set()
546 	if (IS_DYNAMIC_ES(es))  in exfat_put_dentry_set()
547 		kfree(es->bh);  in exfat_put_dentry_set()
672 	struct exfat_entry_set_cache *es, int num)  in exfat_get_dentry_cached()  argument
674 	int off = es->start_off + num * DENTRY_SIZE;  in exfat_get_dentry_cached()
675 	struct buffer_head *bh = es->bh[EXFAT_B_TO_BLK(off, es->sb)];  in exfat_get_dentry_cached()
676 	char *p = bh->b_data + EXFAT_BLK_OFFSET(off, es->sb);  in exfat_get_dentry_cached()
691  *                It will be set to es->num_entries if it is not 0.
692  *                If num_entries is 0, es->num_entries will be obtained
695  *   es: pointer of entry set on success.
700 static int __exfat_get_dentry_set(struct exfat_entry_set_cache *es,  in __exfat_get_dentry_set()  argument
719 	memset(es, 0, sizeof(*es));  in __exfat_get_dentry_set()
720 	es->sb = sb;  in __exfat_get_dentry_set()
721 	es->modified = false;  in __exfat_get_dentry_set()
722 	es->start_off = off;  in __exfat_get_dentry_set()
723 	es->bh = es->__bh;  in __exfat_get_dentry_set()
728 	es->bh[es->num_bh++] = bh;  in __exfat_get_dentry_set()
733 		ep = exfat_get_dentry_cached(es, ES_IDX_FILE);  in __exfat_get_dentry_set()
742 	es->num_entries = num_entries;  in __exfat_get_dentry_set()
745 	if (num_bh > ARRAY_SIZE(es->__bh)) {  in __exfat_get_dentry_set()
746 		es->bh = kmalloc_objs(*es->bh, num_bh, GFP_NOFS);  in __exfat_get_dentry_set()
747 		if (!es->bh) {  in __exfat_get_dentry_set()
751 		es->bh[0] = bh;  in __exfat_get_dentry_set()
769 		es->bh[es->num_bh++] = bh;  in __exfat_get_dentry_set()
775 	exfat_put_dentry_set(es, false);  in __exfat_get_dentry_set()
779 int exfat_get_dentry_set(struct exfat_entry_set_cache *es,  in exfat_get_dentry_set()  argument
787 	ret = __exfat_get_dentry_set(es, sb, p_dir, entry, num_entries);  in exfat_get_dentry_set()
792 	for (i = ES_IDX_STREAM; i < es->num_entries; i++) {  in exfat_get_dentry_set()
793 		ep = exfat_get_dentry_cached(es, i);  in exfat_get_dentry_set()
800 	exfat_put_dentry_set(es, false);  in exfat_get_dentry_set()
804 static int exfat_validate_empty_dentry_set(struct exfat_entry_set_cache *es)  in exfat_validate_empty_dentry_set()  argument
817 	for (i = 0; i < es->num_entries; i++) {  in exfat_validate_empty_dentry_set()
818 		ep = exfat_get_dentry_cached(es, i);  in exfat_validate_empty_dentry_set()
832 	off = es->start_off + (i << DENTRY_SIZE_BITS);  in exfat_validate_empty_dentry_set()
833 	bh = es->bh[EXFAT_B_TO_BLK(off, es->sb)];  in exfat_validate_empty_dentry_set()
835 	exfat_fs_error(es->sb,  in exfat_validate_empty_dentry_set()
842 	es->num_entries = EXFAT_B_TO_DEN(EXFAT_BLK_TO_B(es->num_bh, es->sb) - es->start_off);  in exfat_validate_empty_dentry_set()
843 	for (; i < es->num_entries; i++) {  in exfat_validate_empty_dentry_set()
844 		ep = exfat_get_dentry_cached(es, i);  in exfat_validate_empty_dentry_set()
859  *   es: pointer of empty dentry set on success.
866 int exfat_get_empty_dentry_set(struct exfat_entry_set_cache *es,  in exfat_get_empty_dentry_set()  argument
872 	ret = __exfat_get_dentry_set(es, sb, p_dir, entry, num_entries);  in exfat_get_empty_dentry_set()
876 	ret = exfat_validate_empty_dentry_set(es);  in exfat_get_empty_dentry_set()
878 		exfat_put_dentry_set(es, false);  in exfat_get_empty_dentry_set()
1173 		struct exfat_entry_set_cache *es)  in exfat_get_volume_label_dentry()  argument
1213 			memset(es, 0, sizeof(*es));  in exfat_get_volume_label_dentry()
1214 			es->sb = sb;  in exfat_get_volume_label_dentry()
1215 			es->bh = es->__bh;  in exfat_get_volume_label_dentry()
1216 			es->bh[0] = bh;  in exfat_get_volume_label_dentry()
1217 			es->num_bh = 1;  in exfat_get_volume_label_dentry()
1218 			es->start_off = EXFAT_DEN_TO_B(i) % sb->s_blocksize;  in exfat_get_volume_label_dentry()
1243 	struct exfat_entry_set_cache es;  in exfat_read_volume_label()  local
1249 	ret = exfat_get_volume_label_dentry(sb, &es);  in exfat_read_volume_label()
1261 	ep = exfat_get_dentry_cached(&es, 0);  in exfat_read_volume_label()
1265 		exfat_put_dentry_set(&es, false);  in exfat_read_volume_label()
1272 	exfat_put_dentry_set(&es, false);  in exfat_read_volume_label()
1284 	struct exfat_entry_set_cache es;  in exfat_write_volume_label()  local
1293 	ret = exfat_get_volume_label_dentry(sb, &es);  in exfat_write_volume_label()
1301 		ret = exfat_find_empty_entry(root_inode, &clu, 1, &es);  in exfat_write_volume_label()
1307 	ep = exfat_get_dentry_cached(&es, 0);  in exfat_write_volume_label()
1311 		exfat_put_dentry_set(&es, 0);  in exfat_write_volume_label()
1323 	es.modified = true;  in exfat_write_volume_label()
1325 	ret = exfat_put_dentry_set(&es, IS_DIRSYNC(root_inode));  in exfat_write_volume_label()