fs/btrfs/scrub.c

788 	int sector_nr = calc_sector_number(stripe, bio_first_bvec_all(&bbio->bio));
794 	bio_for_each_bvec_all(bvec, &bbio->bio, i)
797 	if (bbio->bio.bi_status) {
806 	bio_put(&bbio->bio);
836 		/* The current sector cannot be merged, submit the bio. */
838 			     bbio->bio.bi_iter.bi_size >= blocksize)) {
839 			ASSERT(bbio->bio.bi_iter.bi_size);
850 			bbio->bio.bi_iter.bi_sector = (stripe->logical +
854 		ret = bio_add_page(&bbio->bio, page, fs_info->sectorsize, pgoff);
858 		ASSERT(bbio->bio.bi_iter.bi_size);
1102 	int sector_nr = calc_sector_number(stripe, bio_first_bvec_all(&bbio->bio));
1108 	bio_for_each_bvec_all(bvec, &bbio->bio, i)
1112 	if (bbio->bio.bi_status) {
1118 	bio_put(&bbio->bio);
1131 	int sector_nr = calc_sector_number(stripe, bio_first_bvec_all(&bbio->bio));
1135 	bio_for_each_bvec_all(bvec, &bbio->bio, i)
1138 	if (bbio->bio.bi_status) {
1146 	bio_put(&bbio->bio);
1157 	u32 bio_len = bbio->bio.bi_iter.bi_size;
1158 	u32 bio_off = (bbio->bio.bi_iter.bi_sector << SECTOR_SHIFT) -
1182  * Submit the write bio(s) for the sectors specified by @write_bitmap.
1217 			bbio->bio.bi_iter.bi_sector = (stripe->logical +
1221 		ret = bio_add_page(&bbio->bio, page, fs_info->sectorsize, pgoff);
1261 		/* If current bio is within the limit, send it */
1673 		/* The current sector cannot be merged, submit the bio. */
1677 		     bbio->bio.bi_iter.bi_size >= stripe_len)) {
1678 			ASSERT(bbio->bio.bi_iter.bi_size);
1693 			bbio->bio.bi_iter.bi_sector = logical >> SECTOR_SHIFT;
1707 		__bio_add_page(&bbio->bio, page, fs_info->sectorsize, pgoff);
1711 		ASSERT(bbio->bio.bi_iter.bi_size);
1745 	bbio->bio.bi_iter.bi_sector = stripe->logical >> SECTOR_SHIFT;
1752 		ret = bio_add_page(&bbio->bio, page, fs_info->sectorsize, pgoff);
1753 		/* We should have allocated enough bio vectors. */
1877 static void raid56_scrub_wait_endio(struct bio *bio)
1879 	complete(bio->bi_private);
1935 	struct bio *bio;
2045 	bio = bio_alloc(NULL, 1, REQ_OP_READ, GFP_NOFS);
2046 	bio->bi_iter.bi_sector = full_stripe_start >> SECTOR_SHIFT;
2047 	bio->bi_private = &io_done;
2048 	bio->bi_end_io = raid56_scrub_wait_endio;
2058 	rbio = raid56_parity_alloc_scrub_rbio(bio, bioc, scrub_dev, &extent_bitmap,
2075 	ret = blk_status_to_errno(bio->bi_status);
2076 	bio_put(bio);
2757 	struct bio bio;
2761 	bio_init(&bio, dev->bdev, &bvec, 1, REQ_OP_READ);
2762 	bio.bi_iter.bi_sector = physical >> SECTOR_SHIFT;
2763 	__bio_add_page(&bio, page, BTRFS_SUPER_INFO_SIZE, 0);
2764 	ret = submit_bio_wait(&bio);
2765 	bio_uninit(&bio);