md/core: Combine two sync_page_io() arguments

Improve uniformity in the kernel of handling of request operation and
flags by passing these as a single argument.

Cc: Song Liu <[e-mail]>
Signed-off-by: Bart Van Assche <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Jens Axboe <[e-mail]>

drivers/md/dm-raid.c

···
 
 	rdev->sb_loaded = 0;
 
-	if (!sync_page_io(rdev, 0, size, rdev->sb_page, REQ_OP_READ, 0, true)) {
+	if (!sync_page_io(rdev, 0, size, rdev->sb_page, REQ_OP_READ, true)) {
 		DMERR("Failed to read superblock of device at position %d",
 		      rdev->raid_disk);
 		md_error(rdev->mddev, rdev);

drivers/md/md-bitmap.c

···
 
 		if (sync_page_io(rdev, target,
 				 roundup(size, bdev_logical_block_size(rdev->bdev)),
-				 page, REQ_OP_READ, 0, true)) {
+				 page, REQ_OP_READ, true)) {
 			page->index = index;
 			return 0;
 		}

drivers/md/md.c

···
 }
 
 int sync_page_io(struct md_rdev *rdev, sector_t sector, int size,
-		 struct page *page, int op, int op_flags, bool metadata_op)
+		 struct page *page, blk_opf_t opf, bool metadata_op)
 {
 	struct bio bio;
 	struct bio_vec bvec;
 
 	if (metadata_op && rdev->meta_bdev)
-		bio_init(&bio, rdev->meta_bdev, &bvec, 1, op | op_flags);
+		bio_init(&bio, rdev->meta_bdev, &bvec, 1, opf);
 	else
-		bio_init(&bio, rdev->bdev, &bvec, 1, op | op_flags);
+		bio_init(&bio, rdev->bdev, &bvec, 1, opf);
 
 	if (metadata_op)
 		bio.bi_iter.bi_sector = sector + rdev->sb_start;
···
 	if (rdev->sb_loaded)
 		return 0;
 
-	if (!sync_page_io(rdev, 0, size, rdev->sb_page, REQ_OP_READ, 0, true))
+	if (!sync_page_io(rdev, 0, size, rdev->sb_page, REQ_OP_READ, true))
 		goto fail;
 	rdev->sb_loaded = 1;
 	return 0;
···
 			return -EINVAL;
 		bb_sector = (long long)offset;
 		if (!sync_page_io(rdev, bb_sector, sectors << 9,
-				  rdev->bb_page, REQ_OP_READ, 0, true))
+				  rdev->bb_page, REQ_OP_READ, true))
 			return -EIO;
 		bbp = (__le64 *)page_address(rdev->bb_page);
 		rdev->badblocks.shift = sb->bblog_shift;

drivers/md/md.h

···
 			   sector_t sector, int size, struct page *page);
 extern int md_super_wait(struct mddev *mddev);
 extern int sync_page_io(struct md_rdev *rdev, sector_t sector, int size,
-			struct page *page, int op, int op_flags,
-			bool metadata_op);
+		struct page *page, blk_opf_t opf, bool metadata_op);
 extern void md_do_sync(struct md_thread *thread);
 extern void md_new_event(void);
 extern void md_allow_write(struct mddev *mddev);

drivers/md/raid1.c

···
 }
 
 static int r1_sync_page_io(struct md_rdev *rdev, sector_t sector,
-			    int sectors, struct page *page, int rw)
+			   int sectors, struct page *page, int rw)
 {
-	if (sync_page_io(rdev, sector, sectors << 9, page, rw, 0, false))
+	if (sync_page_io(rdev, sector, sectors << 9, page, rw, false))
 		/* success */
 		return 1;
 	if (rw == WRITE) {
···
 				rdev = conf->mirrors[d].rdev;
 				if (sync_page_io(rdev, sect, s<<9,
 						 pages[idx],
-						 REQ_OP_READ, 0, false)) {
+						 REQ_OP_READ, false)) {
 					success = 1;
 					break;
 				}
···
 				atomic_inc(&rdev->nr_pending);
 				rcu_read_unlock();
 				if (sync_page_io(rdev, sect, s<<9,
-					 conf->tmppage, REQ_OP_READ, 0, false))
+					 conf->tmppage, REQ_OP_READ, false))
 					success = 1;
 				rdev_dec_pending(rdev, mddev);
 				if (success)

drivers/md/raid10.c

···
 				  addr,
 				  s << 9,
 				  pages[idx],
-				  REQ_OP_READ, 0, false);
+				  REQ_OP_READ, false);
 		if (ok) {
 			rdev = conf->mirrors[dw].rdev;
 			addr = r10_bio->devs[1].addr + sect;
···
 					  addr,
 					  s << 9,
 					  pages[idx],
-					  REQ_OP_WRITE, 0, false);
+					  REQ_OP_WRITE, false);
 			if (!ok) {
 				set_bit(WriteErrorSeen, &rdev->flags);
 				if (!test_and_set_bit(WantReplacement,
···
 	if (is_badblock(rdev, sector, sectors, &first_bad, &bad_sectors)
 	    && (rw == READ || test_bit(WriteErrorSeen, &rdev->flags)))
 		return -1;
-	if (sync_page_io(rdev, sector, sectors << 9, page, rw, 0, false))
+	if (sync_page_io(rdev, sector, sectors << 9, page, rw, false))
 		/* success */
 		return 1;
 	if (rw == WRITE) {
···
 						       sect,
 						       s<<9,
 						       conf->tmppage,
-						       REQ_OP_READ, 0, false);
+						       REQ_OP_READ, false);
 				rdev_dec_pending(rdev, mddev);
 				rcu_read_lock();
 				if (success)
···
 					       addr,
 					       s << 9,
 					       pages[idx],
-					       REQ_OP_READ, 0, false);
+					       REQ_OP_READ, false);
 			rdev_dec_pending(rdev, mddev);
 			rcu_read_lock();
 			if (success)

drivers/md/raid5-cache.c

···
 	mb = page_address(page);
 	mb->checksum = cpu_to_le32(crc32c_le(log->uuid_checksum,
 					     mb, PAGE_SIZE));
-	if (!sync_page_io(log->rdev, pos, PAGE_SIZE, page, REQ_OP_WRITE,
+	if (!sync_page_io(log->rdev, pos, PAGE_SIZE, page, REQ_OP_WRITE |
 			  REQ_SYNC | REQ_FUA, false)) {
 		__free_page(page);
 		return -EIO;
···
 			atomic_inc(&rdev->nr_pending);
 			rcu_read_unlock();
 			sync_page_io(rdev, sh->sector, PAGE_SIZE,
-				     sh->dev[disk_index].page, REQ_OP_WRITE, 0,
+				     sh->dev[disk_index].page, REQ_OP_WRITE,
 				     false);
 			rdev_dec_pending(rdev, rdev->mddev);
 			rcu_read_lock();
···
 			atomic_inc(&rrdev->nr_pending);
 			rcu_read_unlock();
 			sync_page_io(rrdev, sh->sector, PAGE_SIZE,
-				     sh->dev[disk_index].page, REQ_OP_WRITE, 0,
+				     sh->dev[disk_index].page, REQ_OP_WRITE,
 				     false);
 			rdev_dec_pending(rrdev, rrdev->mddev);
 			rcu_read_lock();
···
 						  PAGE_SIZE));
 				kunmap_atomic(addr);
 				sync_page_io(log->rdev, write_pos, PAGE_SIZE,
-					     dev->page, REQ_OP_WRITE, 0, false);
+					     dev->page, REQ_OP_WRITE, false);
 				write_pos = r5l_ring_add(log, write_pos,
 							 BLOCK_SECTORS);
 				offset += sizeof(__le32) +
···
 		mb->checksum = cpu_to_le32(crc32c_le(log->uuid_checksum,
 						     mb, PAGE_SIZE));
 		sync_page_io(log->rdev, ctx->pos, PAGE_SIZE, page,
-			     REQ_OP_WRITE, REQ_SYNC | REQ_FUA, false);
+			     REQ_OP_WRITE | REQ_SYNC | REQ_FUA, false);
 		sh->log_start = ctx->pos;
 		list_add_tail(&sh->r5c, &log->stripe_in_journal_list);
 		atomic_inc(&log->stripe_in_journal_count);
···
 	if (!page)
 		return -ENOMEM;
 
-	if (!sync_page_io(rdev, cp, PAGE_SIZE, page, REQ_OP_READ, 0, false)) {
+	if (!sync_page_io(rdev, cp, PAGE_SIZE, page, REQ_OP_READ, false)) {
 		ret = -EIO;
 		goto ioerr;
 	}

drivers/md/raid5-ppl.c

···
 				 __func__, indent, "", rdev->bdev,
 				 (unsigned long long)sector);
 			if (!sync_page_io(rdev, sector, block_size, page2,
-					REQ_OP_READ, 0, false)) {
+					REQ_OP_READ, false)) {
 				md_error(mddev, rdev);
 				pr_debug("%s:%*s read failed!\n", __func__,
 					 indent, "");
···
 				 (unsigned long long)(ppl_sector + i));
 			if (!sync_page_io(log->rdev,
 					ppl_sector - log->rdev->data_offset + i,
-					block_size, page2, REQ_OP_READ, 0,
+					block_size, page2, REQ_OP_READ,
 					false)) {
 				pr_debug("%s:%*s read failed!\n", __func__,
 					 indent, "");
···
 			 (unsigned long long)parity_sector,
 			 parity_rdev->bdev);
 		if (!sync_page_io(parity_rdev, parity_sector, block_size,
-				page1, REQ_OP_WRITE, 0, false)) {
+				  page1, REQ_OP_WRITE, false)) {
 			pr_debug("%s:%*s parity write error!\n", __func__,
 				 indent, "");
 			md_error(mddev, parity_rdev);
···
 			int s = pp_size > PAGE_SIZE ? PAGE_SIZE : pp_size;
 
 			if (!sync_page_io(rdev, sector - rdev->data_offset,
-					s, page, REQ_OP_READ, 0, false)) {
+					s, page, REQ_OP_READ, false)) {
 				md_error(mddev, rdev);
 				ret = -EIO;
 				goto out;
···
 
 	if (!sync_page_io(rdev, rdev->ppl.sector - rdev->data_offset,
 			  PPL_HEADER_SIZE, page, REQ_OP_WRITE | REQ_SYNC |
-			  REQ_FUA, 0, false)) {
+			  REQ_FUA, false)) {
 		md_error(rdev->mddev, rdev);
 		ret = -EIO;
 	}
···
 		if (!sync_page_io(rdev,
 				  rdev->ppl.sector - rdev->data_offset +
 				  pplhdr_offset, PAGE_SIZE, page, REQ_OP_READ,
-				  0, false)) {
+				  false)) {
 			md_error(mddev, rdev);
 			ret = -EIO;
 			/* if not able to read - don't recover any PPL */