[PATCH 11/17] raid6: use static_call for raid6_recov_2data and raid6_recov_datap
Christoph Hellwig <[email protected]>
| Newsgroups | gmane.linux.ports.riscv,gmane.linux.kernel,gmane.linux.ports.arm.kernel,gmane.linux.ports.ppc64.devel,gmane.linux.kernel.cryptoapi,gmane.comp.file-systems.btrfs,gmane.linux.kernel.cross-arch,gmane.linux.raid |
|---|---|
| Message-ID | <[email protected]> |
Avoid expensive indirect calls for the recovery routines as well. Signed-off-by: Christoph Hellwig <[email protected]> --- lib/raid/raid6/algos.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/lib/raid/raid6/algos.c b/lib/raid/raid6/algos.c index b81c7594f6c4..201443f6cac2 100644 --- a/lib/raid/raid6/algos.c +++ b/lib/raid/raid6/algos.c @@ -26,6 +26,8 @@ static const struct raid6_recov_calls *raid6_recov_algo; /* Selected algorithm */ DEFINE_STATIC_CALL_NULL(raid6_gen_syndrome_impl, *raid6_intx1.gen_syndrome); DEFINE_STATIC_CALL_NULL(raid6_xor_syndrome_impl, *raid6_intx1.xor_syndrome); +DEFINE_STATIC_CALL_NULL(raid6_recov_2data_impl, *raid6_recov_intx1.data2); +DEFINE_STATIC_CALL_NULL(raid6_recov_datap_impl, *raid6_recov_intx1.datap); /** * raid6_gen_syndrome - generate RAID6 P/Q parity @@ -124,7 +126,7 @@ void raid6_recov_2data(int disks, size_t bytes, int faila, int failb, WARN_ON_ONCE(bytes > PAGE_SIZE); WARN_ON_ONCE(failb <= faila); - raid6_recov_algo->data2(disks, bytes, faila, failb, ptrs); + static_call(raid6_recov_2data_impl)(disks, bytes, faila, failb, ptrs); } EXPORT_SYMBOL_GPL(raid6_recov_2data); @@ -149,7 +151,7 @@ void raid6_recov_datap(int disks, size_t bytes, int faila, void **ptrs) WARN_ON_ONCE(bytes & 511); WARN_ON_ONCE(bytes > PAGE_SIZE); - raid6_recov_algo->datap(disks, bytes, faila, ptrs); + static_call(raid6_recov_datap_impl)(disks, bytes, faila, ptrs); } EXPORT_SYMBOL_GPL(raid6_recov_datap); @@ -322,6 +324,8 @@ static int __init raid6_init(void) */ if (!raid6_recov_algo) raid6_recov_algo = &raid6_recov_intx1; + static_call_update(raid6_recov_2data_impl, raid6_recov_algo->data2); + static_call_update(raid6_recov_datap_impl, raid6_recov_algo->datap); pr_info("raid6: using %s recovery algorithm\n", raid6_recov_algo->name); #ifdef MODULE -- 2.47.3