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From 717373379510cd6ecf8c6d0e1aae65edfac4551d Mon Sep 17 00:00:00 2001
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From: "Dr. David Alan Gilbert" <dgilbert@redhat.com>
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Date: Tue, 5 May 2020 16:35:58 +0100
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Subject: [PATCH 7/9] virtiofsd: Show submounts
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RH-Author: Dr. David Alan Gilbert <dgilbert@redhat.com>
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Message-id: <20200505163600.22956-6-dgilbert@redhat.com>
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Patchwork-id: 96273
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O-Subject: [RHEL-AV-8.2.1 qemu-kvm PATCH 5/7] virtiofsd: Show submounts
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Bugzilla: 1817445
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RH-Acked-by: Stefan Hajnoczi <stefanha@redhat.com>
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RH-Acked-by: Max Reitz <mreitz@redhat.com>
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RH-Acked-by: Michael S. Tsirkin <mst@redhat.com>
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From: Max Reitz <mreitz@redhat.com>
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Currently, setup_mounts() bind-mounts the shared directory without
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MS_REC. This makes all submounts disappear.
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Pass MS_REC so that the guest can see submounts again.
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Fixes: 5baa3b8e95064c2434bd9e2f312edd5e9ae275dc
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Signed-off-by: Max Reitz <mreitz@redhat.com>
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Message-Id: <20200424133516.73077-1-mreitz@redhat.com>
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Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
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Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
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Changed Fixes to point to the commit with the problem rather than
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the commit that turned it on
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(cherry picked from commit ace0829c0d08f0e5f1451e402e94495bc2166772)
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Signed-off-by: Danilo C. L. de Paula <ddepaula@redhat.com>
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---
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tools/virtiofsd/passthrough_ll.c | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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diff --git a/tools/virtiofsd/passthrough_ll.c b/tools/virtiofsd/passthrough_ll.c
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index 73d8405..614ba55 100644
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--- a/tools/virtiofsd/passthrough_ll.c
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+++ b/tools/virtiofsd/passthrough_ll.c
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@@ -2670,7 +2670,7 @@ static void setup_mounts(const char *source)
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int oldroot;
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int newroot;
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- if (mount(source, source, NULL, MS_BIND, NULL) < 0) {
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+ if (mount(source, source, NULL, MS_BIND | MS_REC, NULL) < 0) {
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fuse_log(FUSE_LOG_ERR, "mount(%s, %s, MS_BIND): %m\n", source, source);
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exit(1);
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}
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--
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1.8.3.1
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