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util: Rename and make global vu_remove_watch()

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vu_remove_watch() is used in vhost_user.c to remove an fd from the global
epoll set.  There's nothing really vhost user specific about it though,
so rename, move to util.c and use it in a bunch of places outside
vhost_user.c where it makes things marginally more readable.

Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Stefano Brivio <sbrivio@redhat.com>
This commit is contained in:
David Gibson 2025-01-30 17:52:11 +11:00 • committed by Stefano Brivio
commit 0349cf637f
9 changed files with 25 additions and 27 deletions

2
udp_flow.c
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@ -52,7 +52,7 @@ void udp_flow_close(const struct ctx *c, struct udp_flow *uflow)
if (uflow->s[TGTSIDE] >= 0) {
/* But the flow specific one needs to be removed */
epoll_ctl(c->epollfd, EPOLL_CTL_DEL, uflow->s[TGTSIDE], NULL);
epoll_del(c, uflow->s[TGTSIDE]);
close(uflow->s[TGTSIDE]);
uflow->s[TGTSIDE] = -1;
}