Lines Matching refs:block_start
418 unsigned block_start, block_end; in walk_page_buffers() local
423 for ( bh = head, block_start = 0; in walk_page_buffers()
424 ret == 0 && (bh != head || !block_start); in walk_page_buffers()
425 block_start = block_end, bh = next) in walk_page_buffers()
428 block_end = block_start + blocksize; in walk_page_buffers()
429 if (block_end <= from || block_start >= to) { in walk_page_buffers()
568 unsigned int block_start) in ocfs2_should_read_blk() argument
570 u64 offset = folio_pos(folio) + block_start; in ocfs2_should_read_blk()
595 unsigned int block_end, block_start; in ocfs2_map_page_blocks() local
602 for (bh = head, block_start = 0; bh != head || !block_start; in ocfs2_map_page_blocks()
603 bh = bh->b_this_page, block_start += bsize) { in ocfs2_map_page_blocks()
604 block_end = block_start + bsize; in ocfs2_map_page_blocks()
612 if (block_start >= to || block_end <= from) { in ocfs2_map_page_blocks()
634 ocfs2_should_read_blk(inode, folio, block_start) && in ocfs2_map_page_blocks()
635 (block_start < from || block_end > to)) { in ocfs2_map_page_blocks()
660 block_start = 0; in ocfs2_map_page_blocks()
662 block_end = block_start + bsize; in ocfs2_map_page_blocks()
665 if (block_start >= to) in ocfs2_map_page_blocks()
668 folio_zero_range(folio, block_start, bh->b_size); in ocfs2_map_page_blocks()
673 block_start = block_end; in ocfs2_map_page_blocks()
874 unsigned int block_start, block_end; in ocfs2_zero_new_buffers() local
882 block_start = 0; in ocfs2_zero_new_buffers()
884 block_end = block_start + bh->b_size; in ocfs2_zero_new_buffers()
887 if (block_end > from && block_start < to) { in ocfs2_zero_new_buffers()
891 start = max(from, block_start); in ocfs2_zero_new_buffers()
903 block_start = block_end; in ocfs2_zero_new_buffers()