Re: [PATCH v2] dm crypt: add flags to optionally bypass dm-crypt workqueues

2020-06-30 Thread Damien Le Moal
On 2020/06/30 18:35, Ignat Korchagin wrote: [...] >>> diff --git a/drivers/md/dm-crypt.c b/drivers/md/dm-crypt.c >>> index 000ddfab5ba0..6924eb49b1df 100644 >>> --- a/drivers/md/dm-crypt.c >>> +++ b/drivers/md/dm-crypt.c >>> @@ -69,6 +69,7 @@ struct dm_crypt_io { >>> u8 *integrity_metadata; >

Re: [PATCH v2] dm crypt: add flags to optionally bypass dm-crypt workqueues

2020-06-30 Thread Ignat Korchagin
On Tue, Jun 30, 2020 at 3:51 AM Damien Le Moal wrote: > > On 2020/06/27 6:03, Ignat Korchagin wrote: > > This is a follow up from [1]. Consider the following script: > > > > sudo modprobe brd rd_nr=1 rd_size=4194304 > > > > echo '0 8388608 crypt capi:ecb(cipher_null) - 0 /dev/ram0 0' | \ > > sudo

Re: [PATCH v2] dm crypt: add flags to optionally bypass dm-crypt workqueues

2020-06-29 Thread Damien Le Moal
On 2020/06/30 12:09, Herbert Xu wrote: > On Tue, Jun 30, 2020 at 02:51:17AM +, Damien Le Moal wrote: >> >>> @@ -1463,12 +1465,12 @@ static void crypt_alloc_req_skcipher(struct >>> crypt_config *cc, >>> * requests if driver request queue is full. >>> */ >>> skcipher_request_set_ca

Re: [PATCH v2] dm crypt: add flags to optionally bypass dm-crypt workqueues

2020-06-29 Thread Herbert Xu
On Tue, Jun 30, 2020 at 02:51:17AM +, Damien Le Moal wrote: > > > @@ -1463,12 +1465,12 @@ static void crypt_alloc_req_skcipher(struct > > crypt_config *cc, > > * requests if driver request queue is full. > > */ > > skcipher_request_set_callback(ctx->r.req, > > - CRYPTO_TFM_

Re: [PATCH v2] dm crypt: add flags to optionally bypass dm-crypt workqueues

2020-06-29 Thread Damien Le Moal
On 2020/06/27 6:03, Ignat Korchagin wrote: > This is a follow up from [1]. Consider the following script: > > sudo modprobe brd rd_nr=1 rd_size=4194304 > > echo '0 8388608 crypt capi:ecb(cipher_null) - 0 /dev/ram0 0' | \ > sudo dmsetup create eram0 > > echo '0 8388608 crypt capi:ecb(cipher_null)