From e25ceb76e5b90ec4197cbe1cb859200bf6ee1284 Mon Sep 17 00:00:00 2001 From: Paolo Bonzini Date: Thu, 19 Apr 2012 11:59:11 +0200 Subject: nbd: obey FUA on reads Signed-off-by: Paolo Bonzini --- nbd.c | 9 +++++++++ 1 file changed, 9 insertions(+) (limited to 'nbd.c') diff --git a/nbd.c b/nbd.c index d4dafc6019..153709f628 100644 --- a/nbd.c +++ b/nbd.c @@ -842,6 +842,15 @@ static void nbd_trip(void *opaque) case NBD_CMD_READ: TRACE("Request type is READ"); + if (request.type & NBD_CMD_FLAG_FUA) { + ret = bdrv_co_flush(exp->bs); + if (ret < 0) { + LOG("flush failed"); + reply.error = -ret; + goto error_reply; + } + } + ret = bdrv_read(exp->bs, (request.from + exp->dev_offset) / 512, req->data, request.len / 512); if (ret < 0) { -- cgit v1.2.1