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()
43 	if (op == REQ_OP_ZONE_CLOSE && !zi->i_wpoffset)  in zonefs_zone_mgmt()
46 	ret = blkdev_zone_mgmt(inode->i_sb->s_bdev, op, zi->i_zsector,  in zonefs_zone_mgmt()
47 			       zi->i_zone_size >> SECTOR_SHIFT, GFP_NOFS);  in zonefs_zone_mgmt()
51 			   blk_op_str(op), zi->i_zsector, ret);  in zonefs_zone_mgmt()
60 	struct zonefs_inode_info *zi = ZONEFS_I(inode);  in zonefs_i_size_write()  local
67 	if (isize >= zi->i_max_size)  in zonefs_i_size_write()
68 		zi->i_flags &= ~ZONEFS_ZONE_OPEN;  in zonefs_i_size_write()
75 	struct zonefs_inode_info *zi = ZONEFS_I(inode);  in zonefs_read_iomap_begin()  local
83 	mutex_lock(&zi->i_truncate_mutex);  in zonefs_read_iomap_begin()
93 		iomap->addr = (zi->i_zsector << SECTOR_SHIFT) + iomap->offset;  in zonefs_read_iomap_begin()
96 	mutex_unlock(&zi->i_truncate_mutex);  in zonefs_read_iomap_begin()
109 	struct zonefs_inode_info *zi = ZONEFS_I(inode);  in zonefs_write_iomap_begin()  local
114 	if (WARN_ON_ONCE(offset + length > zi->i_max_size))  in zonefs_write_iomap_begin()
122 	if (WARN_ON_ONCE(zi->i_ztype == ZONEFS_ZTYPE_SEQ &&  in zonefs_write_iomap_begin()
131 	mutex_lock(&zi->i_truncate_mutex);  in zonefs_write_iomap_begin()
134 	iomap->addr = (zi->i_zsector << SECTOR_SHIFT) + iomap->offset;  in zonefs_write_iomap_begin()
138 		iomap->length = zi->i_max_size - iomap->offset;  in zonefs_write_iomap_begin()
143 	mutex_unlock(&zi->i_truncate_mutex);  in zonefs_write_iomap_begin()
169 	struct zonefs_inode_info *zi = ZONEFS_I(inode);  in zonefs_write_map_blocks()  local
171 	if (WARN_ON_ONCE(zi->i_ztype != ZONEFS_ZTYPE_CNV))  in zonefs_write_map_blocks()
181 	return zonefs_write_iomap_begin(inode, offset, zi->i_max_size - offset,  in zonefs_write_map_blocks()
208 	struct zonefs_inode_info *zi = ZONEFS_I(inode);  in zonefs_swap_activate()  local
210 	if (zi->i_ztype != ZONEFS_ZTYPE_CNV) {  in zonefs_swap_activate()
276 	struct zonefs_inode_info *zi = ZONEFS_I(inode);  in zonefs_check_zone_condition()  local
314 		return zi->i_max_size;  in zonefs_check_zone_condition()
316 		if (zi->i_ztype == ZONEFS_ZTYPE_CNV)  in zonefs_check_zone_condition()
317 			return zi->i_max_size;  in zonefs_check_zone_condition()
332 	struct zonefs_inode_info *zi = ZONEFS_I(inode);  in zonefs_io_error_cb()  local
369 	if (zi->i_ztype == ZONEFS_ZTYPE_SEQ && isize != data_size)  in zonefs_io_error_cb()
408 		zi->i_flags &= ~ZONEFS_ZONE_OPEN;  in zonefs_io_error_cb()
425 	zi->i_wpoffset = data_size;  in zonefs_io_error_cb()
439 	struct zonefs_inode_info *zi = ZONEFS_I(inode);  in __zonefs_io_error()  local
455 	if (zi->i_zone_size > bdev_zone_sectors(sb->s_bdev))  in __zonefs_io_error()
456 		nr_zones = zi->i_zone_size >>  in __zonefs_io_error()
468 	ret = blkdev_report_zones(sb->s_bdev, zi->i_zsector, nr_zones,  in __zonefs_io_error()
478 	struct zonefs_inode_info *zi = ZONEFS_I(inode);  in zonefs_io_error()  local
480 	mutex_lock(&zi->i_truncate_mutex);  in zonefs_io_error()
482 	mutex_unlock(&zi->i_truncate_mutex);  in zonefs_io_error()
487 	struct zonefs_inode_info *zi = ZONEFS_I(inode);  in zonefs_file_truncate()  local
497 	if (zi->i_ztype != ZONEFS_ZTYPE_SEQ)  in zonefs_file_truncate()
502 	else if (isize == zi->i_max_size)  in zonefs_file_truncate()
510 	down_write(&zi->i_mmap_sem);  in zonefs_file_truncate()
513 	mutex_lock(&zi->i_truncate_mutex);  in zonefs_file_truncate()
527 	if (zi->i_flags & ZONEFS_ZONE_OPEN) {  in zonefs_file_truncate()
539 			zi->i_flags &= ~ZONEFS_ZONE_OPEN;  in zonefs_file_truncate()
544 	zi->i_wpoffset = isize;  in zonefs_file_truncate()
547 	mutex_unlock(&zi->i_truncate_mutex);  in zonefs_file_truncate()
548 	up_write(&zi->i_mmap_sem);  in zonefs_file_truncate()
624 	struct zonefs_inode_info *zi = ZONEFS_I(file_inode(vmf->vma->vm_file));  in zonefs_filemap_fault()  local
627 	down_read(&zi->i_mmap_sem);  in zonefs_filemap_fault()
629 	up_read(&zi->i_mmap_sem);  in zonefs_filemap_fault()
637 	struct zonefs_inode_info *zi = ZONEFS_I(inode);  in zonefs_filemap_page_mkwrite()  local
647 	if (WARN_ON_ONCE(zi->i_ztype != ZONEFS_ZTYPE_CNV))  in zonefs_filemap_page_mkwrite()
654 	down_read(&zi->i_mmap_sem);  in zonefs_filemap_page_mkwrite()
656 	up_read(&zi->i_mmap_sem);  in zonefs_filemap_page_mkwrite()
702 	struct zonefs_inode_info *zi = ZONEFS_I(inode);  in zonefs_file_write_dio_end_io()  local
709 	if (size && zi->i_ztype != ZONEFS_ZTYPE_CNV) {  in zonefs_file_write_dio_end_io()
717 		mutex_lock(&zi->i_truncate_mutex);  in zonefs_file_write_dio_end_io()
722 		mutex_unlock(&zi->i_truncate_mutex);  in zonefs_file_write_dio_end_io()
735 	struct zonefs_inode_info *zi = ZONEFS_I(inode);  in zonefs_file_dio_append()  local
756 	bio->bi_iter.bi_sector = zi->i_zsector;  in zonefs_file_dio_append()
797 	struct zonefs_inode_info *zi = ZONEFS_I(inode);  in zonefs_write_check_limits()  local
799 	loff_t max_size = zi->i_max_size;  in zonefs_write_check_limits()
822 	struct zonefs_inode_info *zi = ZONEFS_I(inode);  in zonefs_write_checks()  local
835 		if (zi->i_ztype != ZONEFS_ZTYPE_SEQ)  in zonefs_write_checks()
837 		mutex_lock(&zi->i_truncate_mutex);  in zonefs_write_checks()
838 		iocb->ki_pos = zi->i_wpoffset;  in zonefs_write_checks()
839 		mutex_unlock(&zi->i_truncate_mutex);  in zonefs_write_checks()
864 	struct zonefs_inode_info *zi = ZONEFS_I(inode);  in zonefs_file_dio_write()  local
875 	if (zi->i_ztype == ZONEFS_ZTYPE_SEQ && !sync &&  in zonefs_file_dio_write()
898 	if (zi->i_ztype == ZONEFS_ZTYPE_SEQ) {  in zonefs_file_dio_write()
899 		mutex_lock(&zi->i_truncate_mutex);  in zonefs_file_dio_write()
900 		if (iocb->ki_pos != zi->i_wpoffset) {  in zonefs_file_dio_write()
901 			mutex_unlock(&zi->i_truncate_mutex);  in zonefs_file_dio_write()
905 		mutex_unlock(&zi->i_truncate_mutex);  in zonefs_file_dio_write()
914 	if (zi->i_ztype == ZONEFS_ZTYPE_SEQ &&  in zonefs_file_dio_write()
918 		mutex_lock(&zi->i_truncate_mutex);  in zonefs_file_dio_write()
919 		zi->i_wpoffset += count;  in zonefs_file_dio_write()
920 		mutex_unlock(&zi->i_truncate_mutex);  in zonefs_file_dio_write()
933 	struct zonefs_inode_info *zi = ZONEFS_I(inode);  in zonefs_file_buffered_write()  local
940 	if (zi->i_ztype != ZONEFS_ZTYPE_CNV)  in zonefs_file_buffered_write()
1009 	struct zonefs_inode_info *zi = ZONEFS_I(inode);  in zonefs_file_read_iter()  local
1018 	if (iocb->ki_pos >= zi->i_max_size)  in zonefs_file_read_iter()
1029 	mutex_lock(&zi->i_truncate_mutex);  in zonefs_file_read_iter()
1032 		mutex_unlock(&zi->i_truncate_mutex);  in zonefs_file_read_iter()
1037 	mutex_unlock(&zi->i_truncate_mutex);  in zonefs_file_read_iter()
1063 	struct zonefs_inode_info *zi = ZONEFS_I(inode);  in zonefs_file_use_exp_open()  local
1069 	if (zi->i_ztype != ZONEFS_ZTYPE_SEQ)  in zonefs_file_use_exp_open()
1080 	struct zonefs_inode_info *zi = ZONEFS_I(inode);  in zonefs_open_zone()  local
1084 	mutex_lock(&zi->i_truncate_mutex);  in zonefs_open_zone()
1086 	if (!zi->i_wr_refcnt) {  in zonefs_open_zone()
1093 		if (i_size_read(inode) < zi->i_max_size) {  in zonefs_open_zone()
1099 			zi->i_flags |= ZONEFS_ZONE_OPEN;  in zonefs_open_zone()
1103 	zi->i_wr_refcnt++;  in zonefs_open_zone()
1106 	mutex_unlock(&zi->i_truncate_mutex);  in zonefs_open_zone()
1127 	struct zonefs_inode_info *zi = ZONEFS_I(inode);  in zonefs_close_zone()  local
1130 	mutex_lock(&zi->i_truncate_mutex);  in zonefs_close_zone()
1131 	zi->i_wr_refcnt--;  in zonefs_close_zone()
1132 	if (!zi->i_wr_refcnt) {  in zonefs_close_zone()
1140 		if (!(zi->i_flags & ZONEFS_ZONE_OPEN))  in zonefs_close_zone()
1152 			if (zi->i_flags & ZONEFS_ZONE_OPEN &&  in zonefs_close_zone()
1158 		zi->i_flags &= ~ZONEFS_ZONE_OPEN;  in zonefs_close_zone()
1162 	mutex_unlock(&zi->i_truncate_mutex);  in zonefs_close_zone()
1196 	struct zonefs_inode_info *zi;  in zonefs_alloc_inode()  local
1198 	zi = kmem_cache_alloc(zonefs_inode_cachep, GFP_KERNEL);  in zonefs_alloc_inode()
1199 	if (!zi)  in zonefs_alloc_inode()
1202 	inode_init_once(&zi->i_vnode);  in zonefs_alloc_inode()
1203 	mutex_init(&zi->i_truncate_mutex);  in zonefs_alloc_inode()
1204 	init_rwsem(&zi->i_mmap_sem);  in zonefs_alloc_inode()
1205 	zi->i_wr_refcnt = 0;  in zonefs_alloc_inode()
1206 	zi->i_flags = 0;  in zonefs_alloc_inode()
1208 	return &zi->i_vnode;  in zonefs_alloc_inode()
1366 	struct zonefs_inode_info *zi = ZONEFS_I(inode);  in zonefs_init_file_inode()  local
1372 	zi->i_ztype = type;  in zonefs_init_file_inode()
1373 	zi->i_zsector = zone->start;  in zonefs_init_file_inode()
1374 	zi->i_zone_size = zone->len << SECTOR_SHIFT;  in zonefs_init_file_inode()
1375 	if (zi->i_zone_size > bdev_zone_sectors(sb->s_bdev) << SECTOR_SHIFT &&  in zonefs_init_file_inode()
1379 			   zi->i_zone_size,  in zonefs_init_file_inode()
1384 	zi->i_max_size = min_t(loff_t, MAX_LFS_FILESIZE,  in zonefs_init_file_inode()
1386 	zi->i_wpoffset = zonefs_check_zone_condition(inode, zone, true, true);  in zonefs_init_file_inode()
1390 	inode->i_size = zi->i_wpoffset;  in zonefs_init_file_inode()
1391 	inode->i_blocks = zi->i_max_size >> SECTOR_SHIFT;  in zonefs_init_file_inode()
1397 	sb->s_maxbytes = max(zi->i_max_size, sb->s_maxbytes);  in zonefs_init_file_inode()
1398 	sbi->s_blocks += zi->i_max_size >> sb->s_blocksize_bits;  in zonefs_init_file_inode()
1399 	sbi->s_used_blocks += zi->i_wpoffset >> sb->s_blocksize_bits;  in zonefs_init_file_inode()
1410 		mutex_lock(&zi->i_truncate_mutex);  in zonefs_init_file_inode()
1412 		mutex_unlock(&zi->i_truncate_mutex);  in zonefs_init_file_inode()