fs/btrfs/inode.c

429 		page_end = page_start + PAGE_SIZE - 1;
464 		if (bytes + offset <= page_start + PAGE_SIZE)
473 			bytes = offset + bytes - page_offset(locked_page) - PAGE_SIZE;
474 			offset = page_offset(locked_page) + PAGE_SIZE;
564 				       PAGE_SIZE);
698 	btrfs_qgroup_free_data(inode, NULL, 0, PAGE_SIZE, NULL);
794 	if (fs_info->sectorsize < PAGE_SIZE) {
914 	if (blocksize < PAGE_SIZE) {
960 		memzero_page(pages[nr_pages - 1], poff, PAGE_SIZE - poff);
971 	if (start == 0 && fs_info->sectorsize == PAGE_SIZE) {
1097 						       page_start, PAGE_SIZE,
1130 		u64 locked_page_end = locked_page_start + PAGE_SIZE - 1;
1325 	if (start == 0 && fs_info->sectorsize == PAGE_SIZE && !no_inline) {
1606 	nr_pages = (async_chunk->end - async_chunk->start + PAGE_SIZE) >>
1701 		nr_pages = DIV_ROUND_UP(cur_end - start, PAGE_SIZE);
2273 		 start >= page_offset(locked_page) + PAGE_SIZE));
2724 	u64 page_end = page_offset(page) + PAGE_SIZE - 1;
2733 					   PAGE_SIZE);
2761 			btrfs_delalloc_release_extents(inode, PAGE_SIZE);
2763 						     page_start, PAGE_SIZE,
2783 	ordered = btrfs_lookup_ordered_range(inode, page_start, PAGE_SIZE);
2808 	btrfs_delalloc_release_extents(inode, PAGE_SIZE);
2811 					     PAGE_SIZE, true);
2821 					       PAGE_SIZE, !ret);
2824 	btrfs_folio_clear_checked(fs_info, page_folio(page), page_start, PAGE_SIZE);
2879 	btrfs_folio_set_checked(fs_info, page_folio(page), page_offset(page), PAGE_SIZE);
3298 	ASSERT(pgoff + fs_info->sectorsize <= PAGE_SIZE);
5890 	private->filldir_buf = kzalloc(PAGE_SIZE, GFP_KERNEL);
5993 		    PAGE_SIZE) {
6752 	max_size = min_t(unsigned long, PAGE_SIZE, max_size);
6763 	if (max_size < PAGE_SIZE)
6764 		memzero_page(page, max_size, PAGE_SIZE - max_size);
6786 	copy_size = min_t(u64, PAGE_SIZE,
6792 	if (copy_size < PAGE_SIZE)
6793 		memzero_page(page, copy_size, PAGE_SIZE - copy_size);
7512 	 * We could potentially fault if we have a buffer > PAGE_SIZE, and if
7522 	if (!write && (flags & IOMAP_NOWAIT) && length > PAGE_SIZE)
8214 	reserved_space = PAGE_SIZE;
8218 	page_end = page_start + PAGE_SIZE - 1;
8268 			PAGE_SIZE);
8281 		if (reserved_space < PAGE_SIZE) {
8285 					PAGE_SIZE - reserved_space, true);
8309 	if (page_start + PAGE_SIZE > size)
8312 		zero_start = PAGE_SIZE;
8314 	if (zero_start != PAGE_SIZE)
8315 		memzero_page(page, zero_start, PAGE_SIZE - zero_start);
8317 	btrfs_folio_clear_checked(fs_info, folio, page_start, PAGE_SIZE);
8326 	btrfs_delalloc_release_extents(BTRFS_I(inode), PAGE_SIZE);
8335 	btrfs_delalloc_release_extents(BTRFS_I(inode), PAGE_SIZE);
10069 		size_t bytes = min_t(u64, disk_io_size, PAGE_SIZE);
10112 	nr_pages = DIV_ROUND_UP(disk_io_size, PAGE_SIZE);
10136 		page_offset = (iocb->ki_pos - start) & (PAGE_SIZE - 1);
10141 				     PAGE_SIZE - page_offset);
10409 	nr_pages = DIV_ROUND_UP(disk_num_bytes, PAGE_SIZE);
10414 		size_t bytes = min_t(size_t, PAGE_SIZE, iov_iter_count(from));
10428 		if (bytes < PAGE_SIZE)
10429 			memset(kaddr + bytes, 0, PAGE_SIZE - bytes);