168 		bio_end_io_t *bio;  member
339 					  struct bio *bio, int *bio_is_patched,
346 static void btrfsic_bio_end_io(struct bio *bp, int bio_error_status);
416 	b->orig_bio_bh_end_io.bio = NULL;  in btrfsic_block_init()
1674 		struct bio *bio;  in btrfsic_read_block()  local
1677 		bio = btrfs_io_bio_alloc(GFP_NOFS, num_pages - i);  in btrfsic_read_block()
1678 		if (!bio) {  in btrfsic_read_block()
1684 		bio->bi_bdev = block_ctx->dev->bdev;  in btrfsic_read_block()
1685 		bio->bi_iter.bi_sector = dev_bytenr >> 9;  in btrfsic_read_block()
1688 			ret = bio_add_page(bio, block_ctx->pagev[j],  in btrfsic_read_block()
1698 		if (submit_bio_wait(READ, bio)) {  in btrfsic_read_block()
1702 			bio_put(bio);  in btrfsic_read_block()
1705 		bio_put(bio);  in btrfsic_read_block()
1821 					  struct bio *bio, int *bio_is_patched,  in btrfsic_process_written_block()  argument
1999 			if (NULL != bio) {  in btrfsic_process_written_block()
2004 					    bio->bi_private;  in btrfsic_process_written_block()
2005 					block->orig_bio_bh_end_io.bio =  in btrfsic_process_written_block()
2006 					    bio->bi_end_io;  in btrfsic_process_written_block()
2008 					bio->bi_private = block;  in btrfsic_process_written_block()
2009 					bio->bi_end_io = btrfsic_bio_end_io;  in btrfsic_process_written_block()
2014 					    bio->bi_private;  in btrfsic_process_written_block()
2019 					block->orig_bio_bh_end_io.bio =  in btrfsic_process_written_block()
2021 					    bio;  in btrfsic_process_written_block()
2023 					bio->bi_private = block;  in btrfsic_process_written_block()
2035 				block->orig_bio_bh_end_io.bio = NULL;  in btrfsic_process_written_block()
2145 		if (NULL != bio) {  in btrfsic_process_written_block()
2149 				block->orig_bio_bh_private = bio->bi_private;  in btrfsic_process_written_block()
2150 				block->orig_bio_bh_end_io.bio = bio->bi_end_io;  in btrfsic_process_written_block()
2152 				bio->bi_private = block;  in btrfsic_process_written_block()
2153 				bio->bi_end_io = btrfsic_bio_end_io;  in btrfsic_process_written_block()
2158 				    bio->bi_private;  in btrfsic_process_written_block()
2163 				block->orig_bio_bh_end_io.bio =  in btrfsic_process_written_block()
2164 				    chained_block->orig_bio_bh_end_io.bio;  in btrfsic_process_written_block()
2166 				bio->bi_private = block;  in btrfsic_process_written_block()
2178 			block->orig_bio_bh_end_io.bio = NULL;  in btrfsic_process_written_block()
2210 static void btrfsic_bio_end_io(struct bio *bp, int bio_error_status)  in btrfsic_bio_end_io()
2223 	bp->bi_end_io = block->orig_bio_bh_end_io.bio;  in btrfsic_bio_end_io()
2963 static void __btrfsic_submit_bio(int rw, struct bio *bio)  in __btrfsic_submit_bio()  argument
2973 	dev_state = btrfsic_dev_state_lookup(bio->bi_bdev);  in __btrfsic_submit_bio()
2975 	    (rw & WRITE) && NULL != bio->bi_io_vec) {  in __btrfsic_submit_bio()
2982 		dev_bytenr = 512 * bio->bi_iter.bi_sector;  in __btrfsic_submit_bio()
2989 			       rw, bio->bi_vcnt,  in __btrfsic_submit_bio()
2990 			       (unsigned long long)bio->bi_iter.bi_sector,  in __btrfsic_submit_bio()
2991 			       dev_bytenr, bio->bi_bdev);  in __btrfsic_submit_bio()
2993 		mapped_datav = kmalloc_array(bio->bi_vcnt,  in __btrfsic_submit_bio()
2998 		for (i = 0; i < bio->bi_vcnt; i++) {  in __btrfsic_submit_bio()
2999 			BUG_ON(bio->bi_io_vec[i].bv_len != PAGE_CACHE_SIZE);  in __btrfsic_submit_bio()
3000 			mapped_datav[i] = kmap(bio->bi_io_vec[i].bv_page);  in __btrfsic_submit_bio()
3004 					kunmap(bio->bi_io_vec[i].bv_page);  in __btrfsic_submit_bio()
3013 				       i, cur_bytenr, bio->bi_io_vec[i].bv_len,  in __btrfsic_submit_bio()
3014 				       bio->bi_io_vec[i].bv_offset);  in __btrfsic_submit_bio()
3015 			cur_bytenr += bio->bi_io_vec[i].bv_len;  in __btrfsic_submit_bio()
3018 					      mapped_datav, bio->bi_vcnt,  in __btrfsic_submit_bio()
3019 					      bio, &bio_is_patched,  in __btrfsic_submit_bio()
3023 			kunmap(bio->bi_io_vec[i].bv_page);  in __btrfsic_submit_bio()
3031 			       rw, bio->bi_bdev);  in __btrfsic_submit_bio()
3050 			block->orig_bio_bh_private = bio->bi_private;  in __btrfsic_submit_bio()
3051 			block->orig_bio_bh_end_io.bio = bio->bi_end_io;  in __btrfsic_submit_bio()
3053 			bio->bi_private = block;  in __btrfsic_submit_bio()
3054 			bio->bi_end_io = btrfsic_bio_end_io;  in __btrfsic_submit_bio()
3061 void btrfsic_submit_bio(int rw, struct bio *bio)  in btrfsic_submit_bio()  argument
3063 	__btrfsic_submit_bio(rw, bio);  in btrfsic_submit_bio()
3064 	submit_bio(rw, bio);  in btrfsic_submit_bio()
3067 int btrfsic_submit_bio_wait(int rw, struct bio *bio)  in btrfsic_submit_bio_wait()  argument
3069 	__btrfsic_submit_bio(rw, bio);  in btrfsic_submit_bio_wait()
3070 	return submit_bio_wait(rw, bio);  in btrfsic_submit_bio_wait()