From 601dc6559725f7a614b6f893611e17ff0908e914 Mon Sep 17 00:00:00 2001 From: Peter Lieven Date: Tue, 10 Sep 2019 17:41:09 +0200 Subject: 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 Signed-off-by: Kevin Wolf --- block/nfs.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/block/nfs.c b/block/nfs.c index 0ec5095..2c98508 100644 --- a/block/nfs.c +++ b/block/nfs.c @@ -390,12 +390,14 @@ static void nfs_attach_aio_context(BlockDriverState *bs, static void nfs_client_close(NFSClient *client) { if (client->context) { + qemu_mutex_lock(&client->mutex); + aio_set_fd_handler(client->aio_context, nfs_get_fd(client->context), + false, NULL, NULL, NULL, NULL); + qemu_mutex_unlock(&client->mutex); if (client->fh) { nfs_close(client->context, client->fh); client->fh = NULL; } - aio_set_fd_handler(client->aio_context, nfs_get_fd(client->context), - false, NULL, NULL, NULL, NULL); nfs_destroy_context(client->context); client->context = NULL; } -- cgit v1.1