From fed979a7e082bd9f25f9002c3c4f8740dacd0bc8 Mon Sep 17 00:00:00 2001 From: Samuel Cabrero Date: Mon, 30 Nov 2020 19:02:52 +0100 Subject: cifs: Set witness notification handler for messages from userspace daemon + Set a handler for the witness notification messages received from the userspace daemon. + Handle the resource state change notification. When the resource becomes unavailable or available set the tcp status to CifsNeedReconnect for all channels. Signed-off-by: Samuel Cabrero Reviewed-by: Aurelien Aptel Signed-off-by: Steve French --- fs/cifs/netlink.c | 9 +++++++++ 1 file changed, 9 insertions(+) (limited to 'fs/cifs/netlink.c') diff --git a/fs/cifs/netlink.c b/fs/cifs/netlink.c index 83008a56def5..5aaabe4cc0a7 100644 --- a/fs/cifs/netlink.c +++ b/fs/cifs/netlink.c @@ -11,6 +11,7 @@ #include "netlink.h" #include "cifsglob.h" #include "cifs_debug.h" +#include "cifs_swn.h" static const struct nla_policy cifs_genl_policy[CIFS_GENL_ATTR_MAX + 1] = { [CIFS_GENL_ATTR_SWN_REGISTRATION_ID] = { .type = NLA_U32 }, @@ -24,9 +25,17 @@ static const struct nla_policy cifs_genl_policy[CIFS_GENL_ATTR_MAX + 1] = { [CIFS_GENL_ATTR_SWN_USER_NAME] = { .type = NLA_STRING }, [CIFS_GENL_ATTR_SWN_PASSWORD] = { .type = NLA_STRING }, [CIFS_GENL_ATTR_SWN_DOMAIN_NAME] = { .type = NLA_STRING }, + [CIFS_GENL_ATTR_SWN_NOTIFICATION_TYPE] = { .type = NLA_U32 }, + [CIFS_GENL_ATTR_SWN_RESOURCE_STATE] = { .type = NLA_U32 }, + [CIFS_GENL_ATTR_SWN_RESOURCE_NAME] = { .type = NLA_STRING}, }; static struct genl_ops cifs_genl_ops[] = { + { + .cmd = CIFS_GENL_CMD_SWN_NOTIFY, + .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, + .doit = cifs_swn_notify, + }, }; static const struct genl_multicast_group cifs_genl_mcgrps[] = { -- cgit