984 	u64 cur_offset;  in btrfs_check_nocow_lock()  local
1008 	cur_offset = lockstart;  in btrfs_check_nocow_lock()
1009 	while (cur_offset < lockend) {  in btrfs_check_nocow_lock()
1010 		u64 num_bytes = lockend - cur_offset + 1;  in btrfs_check_nocow_lock()
1012 		ret = can_nocow_extent(inode, cur_offset, &num_bytes, NULL, nowait);  in btrfs_check_nocow_lock()
1019 			if (cur_offset == lockstart)  in btrfs_check_nocow_lock()
1023 		cur_offset += num_bytes;  in btrfs_check_nocow_lock()
1032 	if (cur_offset > lockstart) {  in btrfs_check_nocow_lock()
1033 		*write_bytes = min_t(size_t, *write_bytes, cur_offset - pos);  in btrfs_check_nocow_lock()
2410 	u64 cur_offset;  in btrfs_replace_file_extents()  local
2445 	cur_offset = start;  in btrfs_replace_file_extents()
2449 	while (cur_offset < end) {  in btrfs_replace_file_extents()
2450 		drop_args.start = cur_offset;  in btrfs_replace_file_extents()
2474 		if (!extent_info && cur_offset < drop_args.drop_end &&  in btrfs_replace_file_extents()
2475 		    cur_offset < ino_size) {  in btrfs_replace_file_extents()
2476 			ret = fill_holes(trans, inode, path, cur_offset,  in btrfs_replace_file_extents()
2488 		} else if (!extent_info && cur_offset < drop_args.drop_end) {  in btrfs_replace_file_extents()
2496 					cur_offset,  in btrfs_replace_file_extents()
2497 					drop_args.drop_end - cur_offset);  in btrfs_replace_file_extents()
2564 		cur_offset = drop_args.drop_end;  in btrfs_replace_file_extents()
2565 		len = end - cur_offset;  in btrfs_replace_file_extents()
2567 			ret = find_first_non_hole(inode, &cur_offset, &len);  in btrfs_replace_file_extents()
2608 	if (!extent_info && cur_offset < ino_size &&  in btrfs_replace_file_extents()
2609 	    cur_offset < drop_args.drop_end) {  in btrfs_replace_file_extents()
2610 		ret = fill_holes(trans, inode, path, cur_offset,  in btrfs_replace_file_extents()
2617 	} else if (!extent_info && cur_offset < drop_args.drop_end) {  in btrfs_replace_file_extents()
2619 		ret = btrfs_inode_clear_file_extent_range(inode, cur_offset,  in btrfs_replace_file_extents()
2620 					drop_args.drop_end - cur_offset);  in btrfs_replace_file_extents()
3104 	u64 cur_offset;  in btrfs_fallocate()  local
3127 	cur_offset = alloc_start;  in btrfs_fallocate()
3199 	while (cur_offset < alloc_end) {  in btrfs_fallocate()
3200 		em = btrfs_get_extent(BTRFS_I(inode), NULL, cur_offset,  in btrfs_fallocate()
3201 				      alloc_end - cur_offset);  in btrfs_fallocate()
3210 		    (cur_offset >= inode->i_size &&  in btrfs_fallocate()
3212 			const u64 range_len = last_byte - cur_offset;  in btrfs_fallocate()
3214 			ret = add_falloc_range(&reserve_list, cur_offset, range_len);  in btrfs_fallocate()
3220 					&data_reserved, cur_offset, range_len);  in btrfs_fallocate()
3229 		cur_offset = last_byte;  in btrfs_fallocate()
3424 	u64 cur_offset = round_down(start, inode->root->fs_info->sectorsize);  in btrfs_find_delalloc_in_range()  local
3429 	while (cur_offset <= end) {  in btrfs_find_delalloc_in_range()
3434 		delalloc = find_delalloc_subrange(inode, cur_offset, end,  in btrfs_find_delalloc_in_range()
3455 		cur_offset = delalloc_end + 1;  in btrfs_find_delalloc_in_range()