2749 static int __must_check submit_one_bio(int rw, struct bio *bio,  in submit_one_bio()  argument
2765 		ret = tree->ops->submit_bio_hook(page->mapping->host, rw, bio,  in submit_one_bio()
2768 		btrfsic_submit_bio(rw, bio);  in submit_one_bio()
2776 static int merge_bio(int rw, struct extent_io_tree *tree, struct page *page,  in merge_bio()  argument
2782 		ret = tree->ops->merge_bio_hook(rw, page, offset, size, bio,  in merge_bio()
2789 static int submit_extent_page(int rw, struct extent_io_tree *tree,  in submit_extent_page()  argument
2818 		    merge_bio(rw, tree, page, offset, page_size, bio, bio_flags) ||  in submit_extent_page()
2820 			ret = submit_one_bio(rw, bio, mirror_num,  in submit_extent_page()
2847 		ret = submit_one_bio(rw, bio, mirror_num, bio_flags);  in submit_extent_page()
2911 			 unsigned long *bio_flags, int rw,  in __do_readpage()  argument
3098 		ret = submit_extent_page(rw, tree, page,  in __do_readpage()
3131 					     unsigned long *bio_flags, int rw,  in __do_contiguous_readpages()  argument
3152 			      mirror_num, bio_flags, rw, prev_em_start);  in __do_contiguous_readpages()
3162 			       unsigned long *bio_flags, int rw,  in __extent_readpages()  argument
3184 						  rw, prev_em_start);  in __extent_readpages()
3195 					  mirror_num, bio_flags, rw,  in __extent_readpages()
3203 				   unsigned long *bio_flags, int rw)  in __extent_read_full_page()  argument
3222 			    bio_flags, rw, NULL);  in __extent_read_full_page()
3786 	int rw = (epd->sync_io ? WRITE_SYNC : WRITE) | REQ_META;  in write_one_eb()  local
3800 		ret = submit_extent_page(rw, tree, p, offset >> 9,  in write_one_eb()
4091 		int rw = WRITE;  in flush_epd_write_bio()  local
4095 			rw = WRITE_SYNC;  in flush_epd_write_bio()
4097 		ret = submit_one_bio(rw, epd->bio, 0, epd->bio_flags);  in flush_epd_write_bio()