5208 static int __btrfs_map_block(struct btrfs_fs_info *fs_info, int rw,  in __btrfs_map_block()  argument
5286 	if (rw & REQ_DISCARD) {  in __btrfs_map_block()
5299 		    (rw & REQ_WRITE)) {  in __btrfs_map_block()
5322 	    !(rw & (REQ_WRITE | REQ_DISCARD | REQ_GET_READ_MIRRORS)) &&  in __btrfs_map_block()
5412 		if (rw & REQ_DISCARD)  in __btrfs_map_block()
5417 		if (!(rw & (REQ_WRITE | REQ_DISCARD | REQ_GET_READ_MIRRORS)))  in __btrfs_map_block()
5420 		if (rw & (REQ_WRITE | REQ_DISCARD | REQ_GET_READ_MIRRORS))  in __btrfs_map_block()
5433 		if (rw & (REQ_WRITE | REQ_DISCARD | REQ_GET_READ_MIRRORS)) {  in __btrfs_map_block()
5447 		if (rw & (REQ_WRITE | REQ_GET_READ_MIRRORS))  in __btrfs_map_block()
5449 		else if (rw & REQ_DISCARD)  in __btrfs_map_block()
5467 		    ((rw & (REQ_WRITE | REQ_GET_READ_MIRRORS)) ||  in __btrfs_map_block()
5495 			if (!(rw & (REQ_WRITE | REQ_DISCARD |  in __btrfs_map_block()
5513 		if (rw & (REQ_WRITE | REQ_DISCARD))  in __btrfs_map_block()
5515 		if (rw & REQ_GET_READ_MIRRORS)  in __btrfs_map_block()
5530 	    need_raid_map && ((rw & (REQ_WRITE | REQ_GET_READ_MIRRORS)) ||  in __btrfs_map_block()
5555 	if (rw & REQ_DISCARD) {  in __btrfs_map_block()
5635 	if (rw & (REQ_WRITE | REQ_GET_READ_MIRRORS))  in __btrfs_map_block()
5642 	if (dev_replace_is_ongoing && (rw & (REQ_WRITE | REQ_DISCARD)) &&  in __btrfs_map_block()
5677 	} else if (dev_replace_is_ongoing && (rw & REQ_GET_READ_MIRRORS) &&  in __btrfs_map_block()
5750 int btrfs_map_block(struct btrfs_fs_info *fs_info, int rw,  in btrfs_map_block()  argument
5754 	return __btrfs_map_block(fs_info, rw, logical, length, bbio_ret,  in btrfs_map_block()
5759 int btrfs_map_sblock(struct btrfs_fs_info *fs_info, int rw,  in btrfs_map_sblock()  argument
5764 	return __btrfs_map_block(fs_info, rw, logical, length, bbio_ret,  in btrfs_map_sblock()
5932 					int rw, struct bio *bio)  in btrfs_schedule_bio()  argument
5943 	if (!(rw & REQ_WRITE)) {  in btrfs_schedule_bio()
5945 		btrfsic_submit_bio(rw, bio);  in btrfs_schedule_bio()
5959 	bio->bi_rw |= rw;  in btrfs_schedule_bio()
5985 			      int rw, int async)  in submit_stripe_bio()  argument
6000 			 "(%s id %llu), size=%u\n", rw,  in submit_stripe_bio()
6011 		btrfs_schedule_bio(root, dev, rw, bio);  in submit_stripe_bio()
6013 		btrfsic_submit_bio(rw, bio);  in submit_stripe_bio()
6030 int btrfs_map_bio(struct btrfs_root *root, int rw, struct bio *bio,  in btrfs_map_bio()  argument
6047 	ret = __btrfs_map_block(root->fs_info, rw, logical, &map_length, &bbio,  in btrfs_map_bio()
6064 		if (rw & WRITE) {  in btrfs_map_bio()
6083 		if (!dev || !dev->bdev || (rw & WRITE && !dev->writeable)) {  in btrfs_map_bio()
6095 				  bbio->stripes[dev_nr].physical, dev_nr, rw,  in btrfs_map_bio()