From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:46564) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gX4Z5-0003Hg-5l for qemu-devel@nongnu.org; Wed, 12 Dec 2018 08:28:42 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1gX4Z4-0001cv-C2 for qemu-devel@nongnu.org; Wed, 12 Dec 2018 08:28:39 -0500 From: Kevin Wolf Date: Wed, 12 Dec 2018 14:27:21 +0100 Message-Id: <20181212132735.16080-28-kwolf@redhat.com> In-Reply-To: <20181212132735.16080-1-kwolf@redhat.com> References: <20181212132735.16080-1-kwolf@redhat.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Subject: [Qemu-devel] [PULL 27/41] block: Use bdrv_reopen_set_read_only() in bdrv_backing_update_filename() List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-block@nongnu.org Cc: kwolf@redhat.com, peter.maydell@linaro.org, qemu-devel@nongnu.org From: Alberto Garcia This patch replaces the bdrv_reopen() calls that set and remove the BDRV_O_RDWR flag with the new bdrv_reopen_set_read_only() function. Signed-off-by: Alberto Garcia Reviewed-by: Max Reitz Signed-off-by: Kevin Wolf --- block.c | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) diff --git a/block.c b/block.c index 7178872560..d7b94794f4 100644 --- a/block.c +++ b/block.c @@ -1079,11 +1079,11 @@ static int bdrv_backing_update_filename(BdrvChild= *c, BlockDriverState *base, const char *filename, Error **er= rp) { BlockDriverState *parent =3D c->opaque; - int orig_flags =3D bdrv_get_flags(parent); + bool read_only =3D bdrv_is_read_only(parent); int ret; =20 - if (!(orig_flags & BDRV_O_RDWR)) { - ret =3D bdrv_reopen(parent, orig_flags | BDRV_O_RDWR, errp); + if (read_only) { + ret =3D bdrv_reopen_set_read_only(parent, false, errp); if (ret < 0) { return ret; } @@ -1095,8 +1095,8 @@ static int bdrv_backing_update_filename(BdrvChild *= c, BlockDriverState *base, error_setg_errno(errp, -ret, "Could not update backing file link= "); } =20 - if (!(orig_flags & BDRV_O_RDWR)) { - bdrv_reopen(parent, orig_flags, NULL); + if (read_only) { + bdrv_reopen_set_read_only(parent, true, NULL); } =20 return ret; --=20 2.19.2