169 		bh_end_io_t *bh;  member
340 					  struct buffer_head *bh,
347 static void btrfsic_bh_end_io(struct buffer_head *bh, int uptodate);
801 	struct buffer_head *bh;  in btrfsic_process_superblock_dev_mirror()  local
810 	bh = __bread(superblock_bdev, dev_bytenr / 4096,  in btrfsic_process_superblock_dev_mirror()
812 	if (NULL == bh)  in btrfsic_process_superblock_dev_mirror()
815 	    (bh->b_data + (dev_bytenr & 4095));  in btrfsic_process_superblock_dev_mirror()
822 		brelse(bh);  in btrfsic_process_superblock_dev_mirror()
834 			brelse(bh);  in btrfsic_process_superblock_dev_mirror()
921 				brelse(bh);  in btrfsic_process_superblock_dev_mirror()
931 				brelse(bh);  in btrfsic_process_superblock_dev_mirror()
943 				brelse(bh);  in btrfsic_process_superblock_dev_mirror()
951 	brelse(bh);  in btrfsic_process_superblock_dev_mirror()
1822 					  struct buffer_head *bh,  in btrfsic_process_written_block()  argument
2025 			} else if (NULL != bh) {  in btrfsic_process_written_block()
2027 				block->orig_bio_bh_private = bh->b_private;  in btrfsic_process_written_block()
2028 				block->orig_bio_bh_end_io.bh = bh->b_end_io;  in btrfsic_process_written_block()
2030 				bh->b_private = block;  in btrfsic_process_written_block()
2031 				bh->b_end_io = btrfsic_bh_end_io;  in btrfsic_process_written_block()
2168 		} else if (NULL != bh) {  in btrfsic_process_written_block()
2170 			block->orig_bio_bh_private = bh->b_private;  in btrfsic_process_written_block()
2171 			block->orig_bio_bh_end_io.bh = bh->b_end_io;  in btrfsic_process_written_block()
2173 			bh->b_private = block;  in btrfsic_process_written_block()
2174 			bh->b_end_io = btrfsic_bh_end_io;  in btrfsic_process_written_block()
2258 static void btrfsic_bh_end_io(struct buffer_head *bh, int uptodate)  in btrfsic_bh_end_io()  argument
2260 	struct btrfsic_block *block = (struct btrfsic_block *)bh->b_private;  in btrfsic_bh_end_io()
2286 	bh->b_private = block->orig_bio_bh_private;  in btrfsic_bh_end_io()
2287 	bh->b_end_io = block->orig_bio_bh_end_io.bh;  in btrfsic_bh_end_io()
2289 	bh->b_end_io(bh, uptodate);  in btrfsic_bh_end_io()
2900 int btrfsic_submit_bh(int rw, struct buffer_head *bh)  in btrfsic_submit_bh()  argument
2905 		return submit_bh(rw, bh);  in btrfsic_submit_bh()
2910 	dev_state = btrfsic_dev_state_lookup(bh->b_bdev);  in btrfsic_submit_bh()
2914 	    (rw & WRITE) && bh->b_size > 0) {  in btrfsic_submit_bh()
2917 		dev_bytenr = 4096 * bh->b_blocknr;  in btrfsic_submit_bh()
2923 			       rw, (unsigned long long)bh->b_blocknr,  in btrfsic_submit_bh()
2924 			       dev_bytenr, bh->b_size, bh->b_data, bh->b_bdev);  in btrfsic_submit_bh()
2926 					      &bh->b_data, 1, NULL,  in btrfsic_submit_bh()
2927 					      NULL, bh, rw);  in btrfsic_submit_bh()
2933 			       rw, bh->b_bdev);  in btrfsic_submit_bh()
2952 			block->orig_bio_bh_private = bh->b_private;  in btrfsic_submit_bh()
2953 			block->orig_bio_bh_end_io.bh = bh->b_end_io;  in btrfsic_submit_bh()
2955 			bh->b_private = block;  in btrfsic_submit_bh()
2956 			bh->b_end_io = btrfsic_bh_end_io;  in btrfsic_submit_bh()
2960 	return submit_bh(rw, bh);  in btrfsic_submit_bh()