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From afbc21e30ba77c76a6cce13b95940e32e43213bc Mon Sep 17 00:00:00 2001
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From: Maxim Levitsky <mlevitsk@redhat.com>
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Date: Mon, 17 Feb 2020 14:52:04 -0500
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Subject: [PATCH 01/12] gluster: Handle changed glfs_ftruncate signature
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RH-Author: Maxim Levitsky <mlevitsk@redhat.com>
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Message-id: <20200217145205.21347-2-mlevitsk@redhat.com>
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Patchwork-id: 93894
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O-Subject: [RHEL-7.9 qemu-kvm-rhev PATCH 1/2] gluster: Handle changed glfs_ftruncate signature
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Bugzilla: 1802216
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RH-Acked-by: Stefan Hajnoczi <stefanha@redhat.com>
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RH-Acked-by: Sergio Lopez Pascual <slp@redhat.com>
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RH-Acked-by: Stefano Garzarella <sgarzare@redhat.com>
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From: Prasanna Kumar Kalever <prasanna.kalever@redhat.com>
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New versions of Glusters libgfapi.so have an updated glfs_ftruncate()
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function that returns additional 'struct stat' structures to enable
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advanced caching of attributes. This is useful for file servers, not so
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much for QEMU. Nevertheless, the API has changed and needs to be
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adopted.
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Signed-off-by: Prasanna Kumar Kalever <prasanna.kalever@redhat.com>
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Signed-off-by: Niels de Vos <ndevos@redhat.com>
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Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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(cherry picked from commit e014dbe74e0484188164c61ff6843f8a04a8cb9d)
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Signed-off-by: Maxim Levitsky <mlevitsk@redhat.com>
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Signed-off-by: Jon Maloy <jmaloy.redhat.com>
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---
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block/gluster.c | 4 ++++
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configure | 18 ++++++++++++++++++
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2 files changed, 22 insertions(+)
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diff --git a/block/gluster.c b/block/gluster.c
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index 8c13002fd4..e3ffa6136e 100644
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--- a/block/gluster.c
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+++ b/block/gluster.c
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@@ -20,6 +20,10 @@
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#include "qemu/option.h"
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#include "qemu/cutils.h"
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+#ifdef CONFIG_GLUSTERFS_FTRUNCATE_HAS_STAT
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+# define glfs_ftruncate(fd, offset) glfs_ftruncate(fd, offset, NULL, NULL)
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+#endif
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+
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#define GLUSTER_OPT_FILENAME "filename"
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#define GLUSTER_OPT_VOLUME "volume"
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#define GLUSTER_OPT_PATH "path"
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diff --git a/configure b/configure
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index 285fd47de3..f78663367e 100755
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--- a/configure
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+++ b/configure
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@@ -429,6 +429,7 @@ glusterfs_xlator_opt="no"
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glusterfs_discard="no"
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glusterfs_fallocate="no"
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glusterfs_zerofill="no"
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+glusterfs_ftruncate_has_stat="no"
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gtk=""
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gtkabi=""
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gtk_gl="no"
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@@ -3871,6 +3872,19 @@ if test "$glusterfs" != "no" ; then
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glusterfs_fallocate="yes"
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glusterfs_zerofill="yes"
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fi
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+ cat > $TMPC << EOF
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+#include <glusterfs/api/glfs.h>
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+
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+int
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+main(void)
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+{
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+ /* new glfs_ftruncate() passes two additional args */
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+ return glfs_ftruncate(NULL, 0, NULL, NULL);
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+}
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+EOF
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+ if compile_prog "$glusterfs_cflags" "$glusterfs_libs" ; then
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+ glusterfs_ftruncate_has_stat="yes"
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+ fi
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else
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if test "$glusterfs" = "yes" ; then
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feature_not_found "GlusterFS backend support" \
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@@ -6529,6 +6543,10 @@ if test "$glusterfs_zerofill" = "yes" ; then
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echo "CONFIG_GLUSTERFS_ZEROFILL=y" >> $config_host_mak
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fi
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+if test "$glusterfs_ftruncate_has_stat" = "yes" ; then
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+ echo "CONFIG_GLUSTERFS_FTRUNCATE_HAS_STAT=y" >> $config_host_mak
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+fi
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+
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if test "$libssh2" = "yes" ; then
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echo "CONFIG_LIBSSH2=m" >> $config_host_mak
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echo "LIBSSH2_CFLAGS=$libssh2_cflags" >> $config_host_mak
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--
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2.18.2
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