diff options
Diffstat (limited to 'fs/io-wq.c')
| -rw-r--r-- | fs/io-wq.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/fs/io-wq.c b/fs/io-wq.c index 2af8e1df4646..bb4d3ee9592e 100644 --- a/fs/io-wq.c +++ b/fs/io-wq.c @@ -1087,6 +1087,23 @@ static int io_wq_cpu_offline(unsigned int cpu, struct hlist_node *node) return __io_wq_cpu_online(wq, cpu, false); } +int io_wq_cpu_affinity(struct io_wq *wq, cpumask_var_t mask) +{ + int i; + + rcu_read_lock(); + for_each_node(i) { + struct io_wqe *wqe = wq->wqes[i]; + + if (mask) + cpumask_copy(wqe->cpu_mask, mask); + else + cpumask_copy(wqe->cpu_mask, cpumask_of_node(i)); + } + rcu_read_unlock(); + return 0; +} + static __init int io_wq_init(void) { int ret; |