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David Alan Gilbert" , Claudio Fontana Errors-To: libvir-list-bounces@redhat.com Sender: "libvir-list" X-Scanned-By: MIMEDefang 2.85 on 10.11.54.10 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=libvir-list-bounces@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Transfer-Encoding: quoted-printable X-ZM-MESSAGEID: 1652543636839100001 Content-Type: text/plain; charset="utf-8"; x-default="true" Signed-off-by: Claudio Fontana --- src/util/virfile.c | 28 ++++++++-------------------- 1 file changed, 8 insertions(+), 20 deletions(-) diff --git a/src/util/virfile.c b/src/util/virfile.c index 3714ca6be4..be5418c70f 100644 --- a/src/util/virfile.c +++ b/src/util/virfile.c @@ -4851,20 +4851,14 @@ static off_t runIOCopy(const struct runIOParams p) { g_autofree void *base =3D NULL; /* Location to be freed */ - char *buf =3D NULL; /* Aligned location within base */ - size_t buflen =3D 1024*1024; - intptr_t alignMask =3D 64*1024 - 1; off_t total =3D 0; + size_t buflen =3D 1024*1024; + char *buf =3D virFileDirectBufferNew(&base, buflen); =20 -# if WITH_POSIX_MEMALIGN - if (posix_memalign(&base, alignMask + 1, buflen)) - abort(); - buf =3D base; -# else - buf =3D g_new0(char, buflen + alignMask); - base =3D buf; - buf =3D (char *) (((intptr_t) base + alignMask) & ~alignMask); -# endif + if (!buf) { + virReportSystemError(errno, _("Failed to allocate aligned memory i= n function %s"), __FUNCTION__); + return -5; + } =20 while (1) { ssize_t got; @@ -4876,9 +4870,7 @@ runIOCopy(const struct runIOParams p) * In other cases using saferead reduces number of syscalls. */ if (!p.isWrite && p.isDirect) { - if ((got =3D read(p.fdin, buf, buflen)) < 0 && - errno =3D=3D EINTR) - continue; + got =3D virFileDirectRead(p.fdin, buf, buflen); } else { got =3D saferead(p.fdin, buf, buflen); } @@ -4894,11 +4886,7 @@ runIOCopy(const struct runIOParams p) =20 /* handle last write size align in direct case */ if (got < buflen && p.isDirect && p.isWrite) { - ssize_t aligned_got =3D (got + alignMask) & ~alignMask; - - memset(buf + got, 0, aligned_got - got); - - if (safewrite(p.fdout, buf, aligned_got) < 0) { + if (virFileDirectWriteLim(p.fdout, buf, got) < 0) { virReportSystemError(errno, _("Unable to write %s"), p.fdo= utname); return -3; } --=20 2.35.3