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socket: downgrade log warnings about inability to set socket buffer sizes

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In containers we might lack the privs to up the socket buffers. Let's
not complain so loudly about that. Let's hence downgrade this to debug
logging if it's a permission problem.

(This wasn't an issue before b92f350789
because back then the failures wouldn't be detected at all.)
This commit is contained in:
Lennart Poettering 2020-09-11 19:58:54 +02:00 committed by Zbigniew Jędrzejewski-Szmek
parent e742ec6abc
commit 35b4e3c1bc
1 changed files with 4 additions and 2 deletions
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6
src/core/socket.c
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@ -1061,13 +1061,15 @@ static void socket_apply_socket_options(Socket *s, SocketPort *p, int fd) {
if (s->receive_buffer > 0) {
r = fd_set_rcvbuf(fd, s->receive_buffer, false);
if (r < 0)
log_unit_warning_errno(UNIT(s), r, "SO_RCVBUF/SO_RCVBUFFORCE failed: %m");
log_unit_full_errno(UNIT(s), ERRNO_IS_PRIVILEGE(r) ? LOG_DEBUG : LOG_WARNING, r,
"SO_RCVBUF/SO_RCVBUFFORCE failed: %m");
}
if (s->send_buffer > 0) {
r = fd_set_sndbuf(fd, s->send_buffer, false);
if (r < 0)
log_unit_warning_errno(UNIT(s), r, "SO_SNDBUF/SO_SNDBUFFORCE failed: %m");
log_unit_full_errno(UNIT(s), ERRNO_IS_PRIVILEGE(r) ? LOG_DEBUG : LOG_WARNING, r,
"SO_SNDBUF/SO_SNDBUFFORCE failed: %m");
}
if (s->mark >= 0) {