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Blame SOURCES/kvm-virtiofsd-passthrough_ll-add-renameat2-support.patch

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From 86b4f2865f2ebd7e6b3d85beb66a9390eb46eb96 Mon Sep 17 00:00:00 2001
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From: "Dr. David Alan Gilbert" <dgilbert@redhat.com>
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Date: Mon, 27 Jan 2020 19:01:45 +0100
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Subject: [PATCH 074/116] virtiofsd: passthrough_ll: add renameat2 support
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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RH-Author: Dr. David Alan Gilbert <dgilbert@redhat.com>
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Message-id: <20200127190227.40942-71-dgilbert@redhat.com>
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Patchwork-id: 93531
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O-Subject: [RHEL-AV-8.2 qemu-kvm PATCH 070/112] virtiofsd: passthrough_ll: add renameat2 support
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Bugzilla: 1694164
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RH-Acked-by: Philippe Mathieu-Daudé <philmd@redhat.com>
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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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From: Miklos Szeredi <mszeredi@redhat.com>
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Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
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Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
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(cherry picked from commit f0ab7d6f78a7d3c1c19fd81a91c9b1199f56c4f6)
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Signed-off-by: Miroslav Rezanina <mrezanin@redhat.com>
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---
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 tools/virtiofsd/passthrough_ll.c | 10 ++++++++++
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 1 file changed, 10 insertions(+)
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diff --git a/tools/virtiofsd/passthrough_ll.c b/tools/virtiofsd/passthrough_ll.c
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index 98114a3..18d69ab 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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@@ -1099,7 +1099,17 @@ static void lo_rename(fuse_req_t req, fuse_ino_t parent, const char *name,
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     }
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     if (flags) {
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+#ifndef SYS_renameat2
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         fuse_reply_err(req, EINVAL);
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+#else
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+        res = syscall(SYS_renameat2, lo_fd(req, parent), name,
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+                       lo_fd(req, newparent), newname, flags);
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+        if (res == -1 && errno == ENOSYS) {
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+            fuse_reply_err(req, EINVAL);
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+        } else {
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+            fuse_reply_err(req, res == -1 ? errno : 0);
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+        }
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+#endif
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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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