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Date:      Tue, 12 Dec 2017 17:24:30 +0000 (UTC)
From:      Mark Johnston <markj@FreeBSD.org>
To:        src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org
Subject:   svn commit: r326796 - head/sys/geom/mirror
Message-ID:  <201712121724.vBCHOUp9074605@repo.freebsd.org>

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Author: markj
Date: Tue Dec 12 17:24:30 2017
New Revision: 326796
URL: https://svnweb.freebsd.org/changeset/base/326796

Log:
  Decrement sc_writes when BIO_DELETE requests complete.
  
  Otherwise a gmirror that has received a BIO_DELETE request will never be
  marked clean (unless sc_writes overflows).
  
  MFC after:	1 week
  Sponsored by:	Dell EMC Isilon

Modified:
  head/sys/geom/mirror/g_mirror.c

Modified: head/sys/geom/mirror/g_mirror.c
==============================================================================
--- head/sys/geom/mirror/g_mirror.c	Tue Dec 12 12:59:04 2017	(r326795)
+++ head/sys/geom/mirror/g_mirror.c	Tue Dec 12 17:24:30 2017	(r326796)
@@ -937,7 +937,7 @@ g_mirror_regular_request(struct bio *bp)
 	pbp = bp->bio_parent;
 	sc = pbp->bio_to->private;
 	bp->bio_from->index--;
-	if (bp->bio_cmd == BIO_WRITE)
+	if (bp->bio_cmd == BIO_WRITE || bp->bio_cmd == BIO_DELETE)
 		sc->sc_writes--;
 	disk = bp->bio_from->private;
 	if (disk == NULL) {



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