Lines Matching refs:block_start
985 unsigned block_start, block_end; in ext4_walk_page_buffers() local
990 for (bh = head, block_start = 0; in ext4_walk_page_buffers()
991 ret == 0 && (bh != head || !block_start); in ext4_walk_page_buffers()
992 block_start = block_end, bh = next) { in ext4_walk_page_buffers()
994 block_end = block_start + blocksize; in ext4_walk_page_buffers()
995 if (block_end <= from || block_start >= to) { in ext4_walk_page_buffers()
1064 unsigned block_start, block_end; in ext4_block_write_begin() local
1084 for (bh = head, block_start = 0; bh != head || !block_start; in ext4_block_write_begin()
1085 block++, block_start = block_end, bh = bh->b_this_page) { in ext4_block_write_begin()
1086 block_end = block_start + blocksize; in ext4_block_write_begin()
1087 if (block_end <= from || block_start >= to) { in ext4_block_write_begin()
1107 if (block_end > to || block_start < from) in ext4_block_write_begin()
1109 block_start, from); in ext4_block_write_begin()
1119 (block_start < from || block_end > to)) { in ext4_block_write_begin()
1381 unsigned int block_start = 0, block_end; in ext4_journalled_zero_new_buffers() local
1386 block_end = block_start + bh->b_size; in ext4_journalled_zero_new_buffers()
1388 if (block_end > from && block_start < to) { in ext4_journalled_zero_new_buffers()
1392 start = max(from, block_start); in ext4_journalled_zero_new_buffers()
1401 block_start = block_end; in ext4_journalled_zero_new_buffers()