From 0d37e6edc09c99e683dd91ca0e83bbc0df8477b3 Mon Sep 17 00:00:00 2001 From: Felix Fietkau Date: Sun, 16 Jul 2017 16:56:10 +0200 Subject: lib: add uevent_next_seqnum() Signed-off-by: Felix Fietkau --- include/linux/kobject.h | 5 +++++ lib/kobject_uevent.c | 37 +++++++++++++++++++++++++++++++++++++ 2 files changed, 42 insertions(+) --- a/lib/kobject_uevent.c +++ b/lib/kobject_uevent.c @@ -176,6 +176,18 @@ out: return r; } +u64 uevent_next_seqnum(void) +{ + u64 seq; + + mutex_lock(&uevent_sock_mutex); + seq = ++uevent_seqnum; + mutex_unlock(&uevent_sock_mutex); + + return seq; +} +EXPORT_SYMBOL_GPL(uevent_next_seqnum); + /** * kobject_synth_uevent - send synthetic uevent with arguments * a href='/cgit/'>cgit logo index : openwrt/upstream
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