drivers/md/dm-integrity.c

121 #define JOURNAL_SECTOR_DATA		((1 << SECTOR_SHIFT) - sizeof(commit_id_t))
445 		ms += offset >> (SECTOR_SHIFT + ic->log2_buffer_sectors - ic->log2_tag_size);
446 		mo = (offset << ic->log2_tag_size) & ((1U << SECTOR_SHIFT << ic->log2_buffer_sectors) - 1);
448 		ms += (__u64)offset * ic->tag_size >> (SECTOR_SHIFT + ic->log2_buffer_sectors);
449 		mo = (offset * ic->tag_size) & ((1U << SECTOR_SHIFT << ic->log2_buffer_sectors) - 1);
500 	__u8 *mac = sb + (1 << SECTOR_SHIFT) - mac_size;
502 	if (sizeof(struct superblock) + mac_size > 1 << SECTOR_SHIFT) {
730 	*pl_index = sector >> (PAGE_SHIFT - SECTOR_SHIFT);
731 	*pl_offset = (sector << SECTOR_SHIFT) & (PAGE_SIZE - 1);
743 		*n_sectors = (PAGE_SIZE - pl_offset) >> SECTOR_SHIFT;
887 	size_t n_bytes = (size_t)(n_sections * ic->journal_section_sectors) << SECTOR_SHIFT;
1055 	pl_index = sector >> (PAGE_SHIFT - SECTOR_SHIFT);
1056 	pl_offset = (sector << SECTOR_SHIFT) & (PAGE_SIZE - 1);
1179 	pl_index = sector >> (PAGE_SHIFT - SECTOR_SHIFT);
1180 	pl_offset = (sector << SECTOR_SHIFT) & (PAGE_SIZE - 1);
1427 		to_copy = min((1U << SECTOR_SHIFT << ic->log2_buffer_sectors) - *metadata_offset, total_size);
1471 		if (unlikely(*metadata_offset == 1U << SECTOR_SHIFT << ic->log2_buffer_sectors)) {
1618 			bio_advance(bio, dio->range.n_sectors << SECTOR_SHIFT);
1671 	r = crypto_shash_update(req, data, ic->sectors_per_block << SECTOR_SHIFT);
1731 			alignment = dio->range.logical_sector | bio_sectors(bio) | (PAGE_SIZE >> SECTOR_SHIFT);
1735 			buffer += (sector - io_loc.sector) << SECTOR_SHIFT;
1761 			memcpy(mem + pos, buffer, ic->sectors_per_block << SECTOR_SHIFT);
1764 			pos += ic->sectors_per_block << SECTOR_SHIFT;
1795 			checksums = kmalloc((PAGE_SIZE >> SECTOR_SHIFT >> ic->sb->log2_sectors_per_block) * ic->tag_size + extra_space,
1816 				unsigned int this_step_blocks = bi_size >> (SECTOR_SHIFT + ic->sb->log2_sectors_per_block);
1827 				bi_size -= this_step_blocks << (SECTOR_SHIFT + ic->sb->log2_sectors_per_block);
1851 				pos += ic->sectors_per_block << SECTOR_SHIFT;
1975 			if (unlikely(bv.bv_len & ((ic->sectors_per_block << SECTOR_SHIFT) - 1))) {
2029 		if (unlikely(bv.bv_len >> SECTOR_SHIFT > n_sectors))
2030 			bv.bv_len = n_sectors << SECTOR_SHIFT;
2031 		n_sectors -= bv.bv_len >> SECTOR_SHIFT;
2062 					mem_ptr += 1 << SECTOR_SHIFT;
2109 				memcpy(js, mem + bv.bv_offset, ic->sectors_per_block << SECTOR_SHIFT);
2139 			bv.bv_offset += ic->sectors_per_block << SECTOR_SHIFT;
2140 		} while (bv.bv_len -= ic->sectors_per_block << SECTOR_SHIFT);
2351 	bio->bi_iter.bi_size = dio->range.n_sectors << SECTOR_SHIFT;
2729 	recalc_buffer = __vmalloc(recalc_sectors << SECTOR_SHIFT, GFP_NOIO);
2825 		integrity_sector_checksum(ic, logical_sector + i, recalc_buffer + (i << SECTOR_SHIFT), t);
2907 			   bbs->idx * (BITMAP_BLOCK_SIZE >> SECTOR_SHIFT),
2908 			   BITMAP_BLOCK_SIZE >> SECTOR_SHIFT, NULL);
2953 			   ic->n_bitmap_blocks * (BITMAP_BLOCK_SIZE >> SECTOR_SHIFT), NULL);
3259 					   ic->n_bitmap_blocks * (BITMAP_BLOCK_SIZE >> SECTOR_SHIFT), NULL);
3263 					   ic->n_bitmap_blocks * (BITMAP_BLOCK_SIZE >> SECTOR_SHIFT), NULL);
3275 				   ic->n_bitmap_blocks * (BITMAP_BLOCK_SIZE >> SECTOR_SHIFT), NULL);
3294 						   ic->n_bitmap_blocks * (BITMAP_BLOCK_SIZE >> SECTOR_SHIFT), NULL);
3338 					   ic->n_bitmap_blocks * (BITMAP_BLOCK_SIZE >> SECTOR_SHIFT), NULL);
3410 			DMEMIT(" block_size:%u", ic->sectors_per_block << SECTOR_SHIFT);
3456 			DMEMIT(",block_size=%u", ic->sectors_per_block << SECTOR_SHIFT);
3491 		limits->logical_block_size = ic->sectors_per_block << SECTOR_SHIFT;
3492 		limits->physical_block_size = ic->sectors_per_block << SECTOR_SHIFT;
3493 		blk_limits_io_min(limits, ic->sectors_per_block << SECTOR_SHIFT);
3531 			(__u64)(METADATA_PADDING_SECTORS << SECTOR_SHIFT) :
3532 			(__u64)(1 << SECTOR_SHIFT << METADATA_PADDING_SECTORS);
3535 					    metadata_run_padding) >> SECTOR_SHIFT;
3548 		meta_size = (meta_size + ((1U << (ic->log2_buffer_sectors + SECTOR_SHIFT)) - 1))
3549 				>> (ic->log2_buffer_sectors + SECTOR_SHIFT);
3586 	memset(ic->sb, 0, SB_SECTORS << SECTOR_SHIFT);
3661 	bi.interval_exp = ic->sb->log2_sectors_per_block + SECTOR_SHIFT;
3750 				end = end_offset + (1 << SECTOR_SHIFT);
3844 				PAGE_SIZE >> SECTOR_SHIFT) >> (PAGE_SHIFT - SECTOR_SHIFT);
4030 				section_req->cryptlen = (size_t)ic->journal_section_sectors << SECTOR_SHIFT;
4213 			if (val < 1 << SECTOR_SHIFT ||
4214 			    val > MAX_SECTORS_PER_BLOCK << SECTOR_SHIFT ||
4220 			ic->sectors_per_block = val >> SECTOR_SHIFT;
4278 	ic->log2_buffer_sectors = min((int)__fls(buffer_sectors), 31 - SECTOR_SHIFT);
4389 	ic->sb = alloc_pages_exact(SB_SECTORS << SECTOR_SHIFT, GFP_KERNEL);
4404 			if (memchr_inv(ic->sb, 0, SB_SECTORS << SECTOR_SHIFT)) {
4486 	bits_in_journal = ((__u64)ic->journal_section_sectors * ic->journal_sections) << (SECTOR_SHIFT + 3);
4563 			1U << (SECTOR_SHIFT + ic->log2_buffer_sectors), 1, 0, NULL, NULL, 0);
4609 			sector = i * (BITMAP_BLOCK_SIZE >> SECTOR_SHIFT);
4610 			pl_index = sector >> (PAGE_SHIFT - SECTOR_SHIFT);
4611 			pl_offset = (sector << SECTOR_SHIFT) & (PAGE_SIZE - 1);
4725 		free_pages_exact(ic->sb, SB_SECTORS << SECTOR_SHIFT);