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From f2d1e27cdec37a9658bcb0262fb266ab3df4b695 Mon Sep 17 00:00:00 2001
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From: Jeffrey Cody <jcody@redhat.com>
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Date: Mon, 11 Dec 2017 22:38:12 +0100
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Subject: block/vxhs: improve error message for missing / bad vxhs module
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RH-Author: Jeffrey Cody <jcody@redhat.com>
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Message-id: <59af10d83125fff42beacd30dbca83d50409bbed.1513031708.git.jcody@redhat.com>
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Patchwork-id: 78305
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O-Subject: [RHV7.5 qemu-kvm-rhev PATCH 1/1] block/vxhs: improve error message for missing / bad vxhs module
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Bugzilla: 1505654
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RH-Acked-by: Markus Armbruster <armbru@redhat.com>
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RH-Acked-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
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RH-Acked-by: Stefan Hajnoczi <stefanha@redhat.com>
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RH-Acked-by: Laszlo Ersek <lersek@redhat.com>
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[Downstream only, as the module load of libvxhs is downstream only]
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In the case of missing libvxhs libraries, the original error message,
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while technically accurate, may lead a user to think there is a QEMU bug
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if trying to using the VXHS protocol. Update the message so that it is
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clear that the likely issue is that the Veritas QEMU libvxhs RPM is not
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installed (or not installed correctly, if there are permission or file
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corruption issues, etc.).
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An example error message before this change:
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> qemu-img info vxhs://localhost/test
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qemu-img: Could not open 'vxhs://localhost/test': \
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error loading libvxhs: /usr/lib64/qemu/libvxhs.so.1: \
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cannot open shared object file: No such file or directory
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An example error message after this change:
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> qemu-img info vxhs://localhost/test
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qemu-img: Could not open 'vxhs://localhost/test': \
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The VXHS library from Veritas might not be installed correctly \
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(/usr/lib64/qemu/libvxhs.so.1: \
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cannot open shared object file: No such file or directory)
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Signed-off-by: Jeff Cody <jcody@redhat.com>
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Signed-off-by: Miroslav Rezanina <mrezanin@redhat.com>
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(cherry picked from commit 363bf9a1aea6d4af394df27fa4fcaba95b00af98)
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(cherry picked from commit c7d20788c4b8a3b285a1cb7ddcee790b74c1621f)
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(cherry picked from commit dc13bdde418c8447859f4630f01af680119c14bb)
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---
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block/vxhs.c | 3 ++-
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1 file changed, 2 insertions(+), 1 deletion(-)
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diff --git a/block/vxhs.c b/block/vxhs.c
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index a18154c..68edb51 100644
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--- a/block/vxhs.c
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+++ b/block/vxhs.c
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@@ -115,7 +115,8 @@ static void bdrv_vxhs_load_libs(Error **errp)
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libvxhs_handle = g_module_open(LIBVXHS_FULL_PATHNAME,
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G_MODULE_BIND_LAZY | G_MODULE_BIND_LOCAL);
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if (!libvxhs_handle) {
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- error_setg(errp, "error loading libvxhs: %s", g_module_error());
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+ error_setg(errp, "The VXHS library from Veritas might not be installed "
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+ "correctly (%s)", g_module_error());
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return;
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}
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--
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1.8.3.1
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