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Use lower latency allocation in quorum socket

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The quorum udp socket allocation still allowed starting io which can
trigger longer latencies trying to free memory.  We change the flags to
prefer dipping into emergency pools and then failing rather than
blocking trying to satisfy an allocation.  We'd much rather have a given
heartbeat attempt fail and have the opportunity to succeed at the next
interval rather than running the risk of blocking across multiple
intervals.

Signed-off-by: Zach Brown <zab@versity.com>
This commit is contained in:
Zach Brown
2023-05-15 09:14:02 -07:00
parent 0e9cd1eea5
commit ec02cf442b
1 changed files with 2 additions and 1 deletions
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3
kmod/src/quorum.c
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@@ -180,7 +180,8 @@ static int create_socket(struct super_block *sb)
goto out;
}
sock->sk->sk_allocation = GFP_NOFS;
/* rather fail and retry than block waiting for free */
sock->sk->sk_allocation = GFP_ATOMIC;
quorum_slot_sin(&qinf->qconf, qinf->our_quorum_slot_nr, &sin);