From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:39953) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dTA1T-0007SF-Gq for qemu-devel@nongnu.org; Thu, 06 Jul 2017 12:53:03 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1dTA1S-0007wb-KZ for qemu-devel@nongnu.org; Thu, 06 Jul 2017 12:52:59 -0400 References: <20170706163828.24082-1-pbonzini@redhat.com> <20170706163828.24082-3-pbonzini@redhat.com> From: Eric Blake Message-ID: <5dc42ddc-7705-59d4-5de7-4b94a9d14c93@redhat.com> Date: Thu, 6 Jul 2017 11:52:46 -0500 MIME-Version: 1.0 In-Reply-To: <20170706163828.24082-3-pbonzini@redhat.com> Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="1VBkbtfnPxh6g27GDFc36pnAccARA8S2b" Subject: Re: [Qemu-devel] [PATCH 02/11] block: make write-threshold thread-safe List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Paolo Bonzini , qemu-devel@nongnu.org Cc: famz@redhat.com, stefanha@redhat.com, qemu-block@nongnu.org This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --1VBkbtfnPxh6g27GDFc36pnAccARA8S2b From: Eric Blake To: Paolo Bonzini , qemu-devel@nongnu.org Cc: famz@redhat.com, stefanha@redhat.com, qemu-block@nongnu.org Message-ID: <5dc42ddc-7705-59d4-5de7-4b94a9d14c93@redhat.com> Subject: Re: [Qemu-devel] [PATCH 02/11] block: make write-threshold thread-safe References: <20170706163828.24082-1-pbonzini@redhat.com> <20170706163828.24082-3-pbonzini@redhat.com> In-Reply-To: <20170706163828.24082-3-pbonzini@redhat.com> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable On 07/06/2017 11:38 AM, Paolo Bonzini wrote: > For simplicity, use bdrv_drained_begin/end to avoid concurrent > writes to the write threshold, or reading it while it is being set. > qmp_block_set_write_threshold is protected by the BQL. >=20 > Signed-off-by: Paolo Bonzini > --- > block/write-threshold.c | 9 +++------ > 1 file changed, 3 insertions(+), 6 deletions(-) >=20 Reviewed-by: Eric Blake --=20 Eric Blake, Principal Software Engineer Red Hat, Inc. +1-919-301-3266 Virtualization: qemu.org | libvirt.org --1VBkbtfnPxh6g27GDFc36pnAccARA8S2b Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 Comment: Public key at http://people.redhat.com/eblake/eblake.gpg Comment: Using GnuPG with Thunderbird - http://www.enigmail.net/ iQEcBAEBCAAGBQJZXmreAAoJEKeha0olJ0NqexcIAIGZbOGLrftsvyL/m+Nqi6TY D7rOfiaJwdvJu2WabJXoT2np5VS46JOomtNEQgv85d3rs10tEvXOsvDVXhpBZQ/t fl8SfKluqPzXLpbkbDua2uzUdpJH3Ipt8nofoMMleomQxVLmwhyy+cvla6p7hBEp xEayMu+TX2Bjx8ZKJlTyh/YlaEFIhHOYjqvvHBjNvJ44ZoHGNZUAi2s+9rQV5FUS EDIFaxOaE+OgCWTq3UiiYy7Um5RzZaRl+qwAIdtV6ZBwKiR8JTh6eqEcRfhyh+bo xuNdD1zqOU87DaJ9Oo1DT+985yloYfEXZwwEcNJrcjYLlwc1biCVTpQwzKUWcdA= =9VzO -----END PGP SIGNATURE----- --1VBkbtfnPxh6g27GDFc36pnAccARA8S2b--