From: Vladimir Sementsov-Ogievskiy <[email protected]> We should not go to structured-read branch on CACHE command, fix that.
Bug introduced in bc37b06a5cde24 "nbd/server: introduce NBD_CMD_CACHE" with the whole feature and affects 3.0.0 release. Signed-off-by: Vladimir Sementsov-Ogievskiy <[email protected]> CC: [email protected] Message-Id: <[email protected]> Reviewed-by: Eric Blake <[email protected]> [eblake: commit message typo fix] Signed-off-by: Eric Blake <[email protected]> (cherry picked from commit 2f454defc23e1be78f2a96bad2877ce7829f61b4) Signed-off-by: Michael Roth <[email protected]> --- nbd/server.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/nbd/server.c b/nbd/server.c index 12f721482d..adcba66aa9 100644 --- a/nbd/server.c +++ b/nbd/server.c @@ -2138,7 +2138,8 @@ static coroutine_fn int nbd_do_cmd_read(NBDClient *client, NBDRequest *request, } if (client->structured_reply && !(request->flags & NBD_CMD_FLAG_DF) && - request->len) { + request->len && request->type != NBD_CMD_CACHE) + { return nbd_co_send_sparse_read(client, request->handle, request->from, data, request->len, errp); } -- 2.17.1
