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block/nfs: tear down aio before nfs_close
nfs_close is a sync call from libnfs and has its own event handler polling on the nfs FD. Avoid that both QEMU and libnfs are intefering here. CC: qemu-stable@nongnu.org Signed-off-by: Peter Lieven <pl@kamp.de> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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@ -390,12 +390,14 @@ 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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