diff options
| -rw-r--r-- | fs/crypto/crypto.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/fs/crypto/crypto.c b/fs/crypto/crypto.c index ce654526c0fb..984e190f9b89 100644 --- a/fs/crypto/crypto.c +++ b/fs/crypto/crypto.c @@ -427,8 +427,17 @@ fail: */ static int __init fscrypt_init(void) { + /* + * Use an unbound workqueue to allow bios to be decrypted in parallel + * even when they happen to complete on the same CPU. This sacrifices + * locality, but it's worthwhile since decryption is CPU-intensive. + * + * Also use a high-priority workqueue to prioritize decryption work, + * which blocks reads from completing, over regular application tasks. + */ fscrypt_read_workqueue = alloc_workqueue("fscrypt_read_queue", - WQ_HIGHPRI, 0); + WQ_UNBOUND | WQ_HIGHPRI, + num_online_cpus()); if (!fscrypt_read_workqueue) goto fail; |