178 static int detect_xenix(struct sysv_sb_info *sbi, struct buffer_head *bh)  in detect_xenix()  argument
180 	struct xenix_super_block *sbd = (struct xenix_super_block *)bh->b_data;  in detect_xenix()
199 static int detect_sysv(struct sysv_sb_info *sbi, struct buffer_head *bh)  in detect_sysv()  argument
206 	sbd = (struct sysv4_super_block *) (bh->b_data + BLOCK_SIZE/2);  in detect_sysv()
252 static int detect_coherent(struct sysv_sb_info *sbi, struct buffer_head *bh)  in detect_coherent()  argument
256 	sbd = (struct coh_super_block *) (bh->b_data + BLOCK_SIZE/2);  in detect_coherent()
265 static int detect_sysv_odd(struct sysv_sb_info *sbi, struct buffer_head *bh)  in detect_sysv_odd()  argument
267 	int size = detect_sysv(sbi, bh);  in detect_sysv_odd()
354 	struct buffer_head *bh1, *bh = NULL;  in sysv_fill_super()  local
377 		brelse(bh);  in sysv_fill_super()
378 		bh = sb_bread(sb, flavours[i].block);  in sysv_fill_super()
379 		if (!bh)  in sysv_fill_super()
381 		size = flavours[i].test(SYSV_SB(sb), bh);  in sysv_fill_super()
389 			blocknr = bh->b_blocknr << 1;  in sysv_fill_super()
390 			brelse(bh);  in sysv_fill_super()
393 			bh = sb_bread(sb, blocknr + 1);  in sysv_fill_super()
396 			bh1 = bh;  in sysv_fill_super()
399 			blocknr = bh->b_blocknr >> 1;  in sysv_fill_super()
400 			brelse(bh);  in sysv_fill_super()
402 			bh1 = bh = sb_bread(sb, blocknr);  in sysv_fill_super()
408 	if (bh && bh1) {  in sysv_fill_super()
410 		sbi->s_bh2 = bh;  in sysv_fill_super()
416 	brelse(bh);  in sysv_fill_super()
424 	brelse(bh);  in sysv_fill_super()
430 	brelse(bh);  in sysv_fill_super()
437 static int v7_sanity_check(struct super_block *sb, struct buffer_head *bh)  in v7_sanity_check()  argument
447 	v7sb = (struct v7_super_block *) bh->b_data;  in v7_sanity_check()
476 	struct buffer_head *bh;  in v7_fill_super()  local
495 	if ((bh = sb_bread(sb, 1)) == NULL) {  in v7_fill_super()
504 	if (v7_sanity_check(sb, bh))  in v7_fill_super()
509 	if (v7_sanity_check(sb, bh))  in v7_fill_super()
515 	sbi->s_bh1 = bh;  in v7_fill_super()
516 	sbi->s_bh2 = bh;  in v7_fill_super()
523 	brelse(bh);  in v7_fill_super()