* [PATCH AUTOSEL 5.15 029/153] dlm: make tcp still work in multi-link env
[not found] <20250505231320.2695319-1-sashal@kernel.org>
@ 2025-05-05 23:11 ` Sasha Levin
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From: Sasha Levin @ 2025-05-05 23:11 UTC (permalink / raw)
To: linux-kernel, stable
Cc: Heming Zhao, David Teigland, Sasha Levin, aahringo, gfs2
From: Heming Zhao <heming.zhao@suse.com>
[ Upstream commit 03d2b62208a336a3bb984b9465ef6d89a046ea22 ]
This patch bypasses multi-link errors in TCP mode, allowing dlm
to operate on the first tcp link.
Signed-off-by: Heming Zhao <heming.zhao@suse.com>
Signed-off-by: David Teigland <teigland@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
fs/dlm/lowcomms.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/fs/dlm/lowcomms.c b/fs/dlm/lowcomms.c
index 1eb95ba7e7772..5b53425554077 100644
--- a/fs/dlm/lowcomms.c
+++ b/fs/dlm/lowcomms.c
@@ -1852,8 +1852,8 @@ static int dlm_tcp_listen_validate(void)
{
/* We don't support multi-homed hosts */
if (dlm_local_count > 1) {
- log_print("TCP protocol can't handle multi-homed hosts, try SCTP");
- return -EINVAL;
+ log_print("Detect multi-homed hosts but use only the first IP address.");
+ log_print("Try SCTP, if you want to enable multi-link.");
}
return 0;
--
2.39.5
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