43 lines
1.5 KiB
Diff
43 lines
1.5 KiB
Diff
From 6cb3e9e4f17c182c43ded773a04b1072c881aa78 Mon Sep 17 00:00:00 2001
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From: Peter Lieven <pl@kamp.de>
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Date: Tue, 10 Sep 2019 17:41:09 +0200
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Subject: [PATCH] block/nfs: tear down aio before nfs_close
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nfs_close is a sync call from libnfs and has its own event
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handler polling on the nfs FD. Avoid that both QEMU and libnfs
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are intefering here.
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CC: qemu-stable@nongnu.org
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Signed-off-by: Peter Lieven <pl@kamp.de>
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Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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(cherry picked from commit 601dc6559725f7a614b6f893611e17ff0908e914)
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Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
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---
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block/nfs.c | 6 ++++--
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1 file changed, 4 insertions(+), 2 deletions(-)
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diff --git a/block/nfs.c b/block/nfs.c
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index 531903610b..f04f675c63 100644
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--- a/block/nfs.c
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+++ b/block/nfs.c
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@@ -389,12 +389,14 @@ static void nfs_attach_aio_context(BlockDriverState *bs,
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static void nfs_client_close(NFSClient *client)
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{
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if (client->context) {
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+ qemu_mutex_lock(&client->mutex);
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+ aio_set_fd_handler(client->aio_context, nfs_get_fd(client->context),
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+ false, NULL, NULL, NULL, NULL);
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+ qemu_mutex_unlock(&client->mutex);
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if (client->fh) {
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nfs_close(client->context, client->fh);
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client->fh = NULL;
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}
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- aio_set_fd_handler(client->aio_context, nfs_get_fd(client->context),
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- false, NULL, NULL, NULL, NULL);
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nfs_destroy_context(client->context);
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client->context = NULL;
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}
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--
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2.19.1
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