From: lu zhipeng <[email protected]> Prevent the NBD socket stuck all the time, So set timeout.
Signed-off-by: lu zhipeng <[email protected]> --- nbd/client.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/nbd/client.c b/nbd/client.c index 30d5383cb1..89dde53a0f 100644 --- a/nbd/client.c +++ b/nbd/client.c @@ -24,6 +24,8 @@ #include "nbd-internal.h" #include "qemu/cutils.h" +#define NBD_DEFAULT_TIMEOUT 30 + /* Definitions for opaque data types */ static QTAILQ_HEAD(, NBDExport) exports = QTAILQ_HEAD_INITIALIZER(exports); @@ -1301,6 +1303,12 @@ int nbd_init(int fd, QIOChannelSocket *sioc, NBDExportInfo *info, } } + if (ioctl(fd, NBD_SET_TIMEOUT, NBD_DEFAULT_TIMEOUT) < 0) { + int serrno = errno; + error_setg(errp, "Failed setting timeout"); + return -serrno; + } + trace_nbd_init_finish(); return 0; -- 2.31.1
