shithub: gefs

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remove some redundant hash calculations

--- a/blk.c

+++ b/blk.c

@@ -491,7 +491,7 @@

 	oldhd = a->head.addr;

 	a->head.addr = hd->bp.addr;

-	a->head.hash = blkhash(hd);

+	a->head.hash = hd->bp.hash;

 	a->head.gen = -1;

 	if(syncarena(a) == -1)

 		return -1;

@@ -763,7 +763,7 @@

 		setmalloctag(b, getcallerpc(&bp));

 	h = blkhash(b);

 	if((flg&GBnochk) == 0 && h != bp.hash){

-		fprint(2, "corrupt block %B: %.16llux != %.16llux\n", bp, blkhash(b), bp.hash);

+		fprint(2, "corrupt block %B: %.16llux != %.16llux\n", bp, h, bp.hash);

 		qunlock(&fs->blklk[i]);

 		abort();

 		return nil;

--- a/ream.c

+++ b/ream.c

@@ -113,7 +113,7 @@

 	if(syncblk(b) == -1)

 		sysfatal("ream: init log");

-	bh = blkhash(b);

+	bh = b->bp.hash;

 	bo = b->bp.addr;

 	memset(b, 0, sizeof(Blk));