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Fix preemptible warning in aggsum_add() #7610

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Jun 7, 2018
Merged

Fix preemptible warning in aggsum_add() #7610

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7 changes: 5 additions & 2 deletions module/zfs/aggsum.c
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Original file line number Diff line number Diff line change
Expand Up @@ -183,8 +183,11 @@ aggsum_borrow(aggsum_t *as, int64_t delta, struct aggsum_bucket *asb)
void
aggsum_add(aggsum_t *as, int64_t delta)
{
struct aggsum_bucket *asb =
&as->as_buckets[CPU_SEQID % as->as_numbuckets];
struct aggsum_bucket *asb;

kpreempt_disable();
asb = &as->as_buckets[CPU_SEQID % as->as_numbuckets];
kpreempt_enable();

for (;;) {
mutex_enter(&asb->asc_lock);
Expand Down