30 	struct zonefs_inode_info *zi = ZONEFS_I(inode);  in zonefs_zone_mgmt()  local
33 	lockdep_assert_held(&zi->i_truncate_mutex);  in zonefs_zone_mgmt()
35 	ret = blkdev_zone_mgmt(inode->i_sb->s_bdev, op, zi->i_zsector,  in zonefs_zone_mgmt()
36 			       zi->i_zone_size >> SECTOR_SHIFT, GFP_NOFS);  in zonefs_zone_mgmt()
40 			   blk_op_str(op), zi->i_zsector, ret);  in zonefs_zone_mgmt()
49 	struct zonefs_inode_info *zi = ZONEFS_I(inode);  in zonefs_i_size_write()  local
56 	if (isize >= zi->i_max_size)  in zonefs_i_size_write()
57 		zi->i_flags &= ~ZONEFS_ZONE_OPEN;  in zonefs_i_size_write()
64 	struct zonefs_inode_info *zi = ZONEFS_I(inode);  in zonefs_iomap_begin()  local
69 	if (WARN_ON_ONCE(offset + length > zi->i_max_size))  in zonefs_iomap_begin()
77 	if (WARN_ON_ONCE(zi->i_ztype == ZONEFS_ZTYPE_SEQ &&  in zonefs_iomap_begin()
86 	mutex_lock(&zi->i_truncate_mutex);  in zonefs_iomap_begin()
93 		length = zi->i_max_size - offset;  in zonefs_iomap_begin()
96 	mutex_unlock(&zi->i_truncate_mutex);  in zonefs_iomap_begin()
101 	iomap->addr = (zi->i_zsector << SECTOR_SHIFT) + iomap->offset;  in zonefs_iomap_begin()
127 	struct zonefs_inode_info *zi = ZONEFS_I(inode);  in zonefs_map_blocks()  local
129 	if (WARN_ON_ONCE(zi->i_ztype != ZONEFS_ZTYPE_CNV))  in zonefs_map_blocks()
139 	return zonefs_iomap_begin(inode, offset, zi->i_max_size - offset,  in zonefs_map_blocks()
217 	struct zonefs_inode_info *zi = ZONEFS_I(inode);  in zonefs_check_zone_condition()  local
254 		if (zi->i_ztype == ZONEFS_ZTYPE_CNV)  in zonefs_check_zone_condition()
255 			return zi->i_max_size;  in zonefs_check_zone_condition()
270 	struct zonefs_inode_info *zi = ZONEFS_I(inode);  in zonefs_io_error_cb()  local
307 	if (zi->i_ztype == ZONEFS_ZTYPE_SEQ && isize != data_size)  in zonefs_io_error_cb()
346 		zi->i_flags &= ~ZONEFS_ZONE_OPEN;  in zonefs_io_error_cb()
363 	zi->i_wpoffset = data_size;  in zonefs_io_error_cb()
377 	struct zonefs_inode_info *zi = ZONEFS_I(inode);  in __zonefs_io_error()  local
382 		zi->i_zone_size >> (sbi->s_zone_sectors_shift + SECTOR_SHIFT);  in __zonefs_io_error()
398 	ret = blkdev_report_zones(sb->s_bdev, zi->i_zsector, nr_zones,  in __zonefs_io_error()
408 	struct zonefs_inode_info *zi = ZONEFS_I(inode);  in zonefs_io_error()  local
410 	mutex_lock(&zi->i_truncate_mutex);  in zonefs_io_error()
412 	mutex_unlock(&zi->i_truncate_mutex);  in zonefs_io_error()
417 	struct zonefs_inode_info *zi = ZONEFS_I(inode);  in zonefs_file_truncate()  local
427 	if (zi->i_ztype != ZONEFS_ZTYPE_SEQ)  in zonefs_file_truncate()
432 	else if (isize == zi->i_max_size)  in zonefs_file_truncate()
440 	down_write(&zi->i_mmap_sem);  in zonefs_file_truncate()
443 	mutex_lock(&zi->i_truncate_mutex);  in zonefs_file_truncate()
457 	if (zi->i_flags & ZONEFS_ZONE_OPEN) {  in zonefs_file_truncate()
469 			zi->i_flags &= ~ZONEFS_ZONE_OPEN;  in zonefs_file_truncate()
474 	zi->i_wpoffset = isize;  in zonefs_file_truncate()
477 	mutex_unlock(&zi->i_truncate_mutex);  in zonefs_file_truncate()
478 	up_write(&zi->i_mmap_sem);  in zonefs_file_truncate()
554 	struct zonefs_inode_info *zi = ZONEFS_I(file_inode(vmf->vma->vm_file));  in zonefs_filemap_fault()  local
557 	down_read(&zi->i_mmap_sem);  in zonefs_filemap_fault()
559 	up_read(&zi->i_mmap_sem);  in zonefs_filemap_fault()
567 	struct zonefs_inode_info *zi = ZONEFS_I(inode);  in zonefs_filemap_page_mkwrite()  local
577 	if (WARN_ON_ONCE(zi->i_ztype != ZONEFS_ZTYPE_CNV))  in zonefs_filemap_page_mkwrite()
584 	down_read(&zi->i_mmap_sem);  in zonefs_filemap_page_mkwrite()
586 	up_read(&zi->i_mmap_sem);  in zonefs_filemap_page_mkwrite()
632 	struct zonefs_inode_info *zi = ZONEFS_I(inode);  in zonefs_file_write_dio_end_io()  local
639 	if (size && zi->i_ztype != ZONEFS_ZTYPE_CNV) {  in zonefs_file_write_dio_end_io()
647 		mutex_lock(&zi->i_truncate_mutex);  in zonefs_file_write_dio_end_io()
652 		mutex_unlock(&zi->i_truncate_mutex);  in zonefs_file_write_dio_end_io()
665 	struct zonefs_inode_info *zi = ZONEFS_I(inode);  in zonefs_file_dio_append()  local
686 	bio->bi_iter.bi_sector = zi->i_zsector;  in zonefs_file_dio_append()
732 	struct zonefs_inode_info *zi = ZONEFS_I(inode);  in zonefs_file_dio_write()  local
744 	if (zi->i_ztype == ZONEFS_ZTYPE_SEQ && !sync &&  in zonefs_file_dio_write()
759 	iov_iter_truncate(from, zi->i_max_size - iocb->ki_pos);  in zonefs_file_dio_write()
768 	if (zi->i_ztype == ZONEFS_ZTYPE_SEQ) {  in zonefs_file_dio_write()
769 		mutex_lock(&zi->i_truncate_mutex);  in zonefs_file_dio_write()
770 		if (iocb->ki_pos != zi->i_wpoffset) {  in zonefs_file_dio_write()
771 			mutex_unlock(&zi->i_truncate_mutex);  in zonefs_file_dio_write()
775 		mutex_unlock(&zi->i_truncate_mutex);  in zonefs_file_dio_write()
784 	if (zi->i_ztype == ZONEFS_ZTYPE_SEQ &&  in zonefs_file_dio_write()
788 		mutex_lock(&zi->i_truncate_mutex);  in zonefs_file_dio_write()
789 		zi->i_wpoffset += count;  in zonefs_file_dio_write()
790 		mutex_unlock(&zi->i_truncate_mutex);  in zonefs_file_dio_write()
803 	struct zonefs_inode_info *zi = ZONEFS_I(inode);  in zonefs_file_buffered_write()  local
810 	if (zi->i_ztype != ZONEFS_ZTYPE_CNV)  in zonefs_file_buffered_write()
824 	iov_iter_truncate(from, zi->i_max_size - iocb->ki_pos);  in zonefs_file_buffered_write()
881 	struct zonefs_inode_info *zi = ZONEFS_I(inode);  in zonefs_file_read_iter()  local
890 	if (iocb->ki_pos >= zi->i_max_size)  in zonefs_file_read_iter()
901 	mutex_lock(&zi->i_truncate_mutex);  in zonefs_file_read_iter()
904 		mutex_unlock(&zi->i_truncate_mutex);  in zonefs_file_read_iter()
909 	mutex_unlock(&zi->i_truncate_mutex);  in zonefs_file_read_iter()
935 	struct zonefs_inode_info *zi = ZONEFS_I(inode);  in zonefs_file_use_exp_open()  local
941 	if (zi->i_ztype != ZONEFS_ZTYPE_SEQ)  in zonefs_file_use_exp_open()
952 	struct zonefs_inode_info *zi = ZONEFS_I(inode);  in zonefs_open_zone()  local
956 	mutex_lock(&zi->i_truncate_mutex);  in zonefs_open_zone()
958 	zi->i_wr_refcnt++;  in zonefs_open_zone()
959 	if (zi->i_wr_refcnt == 1) {  in zonefs_open_zone()
967 		if (i_size_read(inode) < zi->i_max_size) {  in zonefs_open_zone()
970 				zi->i_wr_refcnt--;  in zonefs_open_zone()
974 			zi->i_flags |= ZONEFS_ZONE_OPEN;  in zonefs_open_zone()
979 	mutex_unlock(&zi->i_truncate_mutex);  in zonefs_open_zone()
1000 	struct zonefs_inode_info *zi = ZONEFS_I(inode);  in zonefs_close_zone()  local
1003 	mutex_lock(&zi->i_truncate_mutex);  in zonefs_close_zone()
1004 	zi->i_wr_refcnt--;  in zonefs_close_zone()
1005 	if (!zi->i_wr_refcnt) {  in zonefs_close_zone()
1013 		if (!(zi->i_flags & ZONEFS_ZONE_OPEN))  in zonefs_close_zone()
1025 			if (zi->i_flags & ZONEFS_ZONE_OPEN &&  in zonefs_close_zone()
1031 		zi->i_flags &= ~ZONEFS_ZONE_OPEN;  in zonefs_close_zone()
1035 	mutex_unlock(&zi->i_truncate_mutex);  in zonefs_close_zone()
1069 	struct zonefs_inode_info *zi;  in zonefs_alloc_inode()  local
1071 	zi = kmem_cache_alloc(zonefs_inode_cachep, GFP_KERNEL);  in zonefs_alloc_inode()
1072 	if (!zi)  in zonefs_alloc_inode()
1075 	inode_init_once(&zi->i_vnode);  in zonefs_alloc_inode()
1076 	mutex_init(&zi->i_truncate_mutex);  in zonefs_alloc_inode()
1077 	init_rwsem(&zi->i_mmap_sem);  in zonefs_alloc_inode()
1078 	zi->i_wr_refcnt = 0;  in zonefs_alloc_inode()
1080 	return &zi->i_vnode;  in zonefs_alloc_inode()
1238 	struct zonefs_inode_info *zi = ZONEFS_I(inode);  in zonefs_init_file_inode()  local
1243 	zi->i_ztype = type;  in zonefs_init_file_inode()
1244 	zi->i_zsector = zone->start;  in zonefs_init_file_inode()
1245 	zi->i_zone_size = zone->len << SECTOR_SHIFT;  in zonefs_init_file_inode()
1247 	zi->i_max_size = min_t(loff_t, MAX_LFS_FILESIZE,  in zonefs_init_file_inode()
1249 	zi->i_wpoffset = zonefs_check_zone_condition(inode, zone, true, true);  in zonefs_init_file_inode()
1253 	inode->i_size = zi->i_wpoffset;  in zonefs_init_file_inode()
1254 	inode->i_blocks = zi->i_max_size >> SECTOR_SHIFT;  in zonefs_init_file_inode()
1260 	sb->s_maxbytes = max(zi->i_max_size, sb->s_maxbytes);  in zonefs_init_file_inode()
1261 	sbi->s_blocks += zi->i_max_size >> sb->s_blocksize_bits;  in zonefs_init_file_inode()
1262 	sbi->s_used_blocks += zi->i_wpoffset >> sb->s_blocksize_bits;  in zonefs_init_file_inode()