diff options
Diffstat (limited to 'drivers/md')
| -rw-r--r-- | drivers/md/dm-bufio.c | 1 | ||||
| -rw-r--r-- | drivers/md/dm-crypt.c | 34 | ||||
| -rw-r--r-- | drivers/md/dm-stats.c | 2 |
3 files changed, 15 insertions, 22 deletions
diff --git a/drivers/md/dm-bufio.c b/drivers/md/dm-bufio.c index ab472c557d18..0505559f0965 100644 --- a/drivers/md/dm-bufio.c +++ b/drivers/md/dm-bufio.c @@ -720,7 +720,6 @@ static void __wait_for_free_buffer(struct dm_bufio_client *c) io_schedule(); - set_task_state(current, TASK_RUNNING); remove_wait_queue(&c->free_buffer_wait, &wait); dm_bufio_lock(c); diff --git a/drivers/md/dm-crypt.c b/drivers/md/dm-crypt.c index cd15e0801228..fc93b9330af4 100644 --- a/drivers/md/dm-crypt.c +++ b/drivers/md/dm-crypt.c @@ -526,29 +526,26 @@ static int crypt_iv_lmk_one(struct crypt_config *cc, u8 *iv, u8 *data) { struct iv_lmk_private *lmk = &cc->iv_gen_private.lmk; - struct { - struct shash_desc desc; - char ctx[crypto_shash_descsize(lmk->hash_tfm)]; - } sdesc; + SHASH_DESC_ON_STACK(desc, lmk->hash_tfm); struct md5_state md5state; __le32 buf[4]; int i, r; - sdesc.desc.tfm = lmk->hash_tfm; - sdesc.desc.flags = CRYPTO_TFM_REQ_MAY_SLEEP; + desc->tfm = lmk->hash_tfm; + desc->flags = CRYPTO_TFM_REQ_MAY_SLEEP; - r = crypto_shash_init(&sdesc.desc); + r = crypto_shash_init(desc); if (r) return r; if (lmk->seed) { - r = crypto_shash_update(&sdesc.desc, lmk->seed, LMK_SEED_SIZE); + r = crypto_shash_update(desc, lmk->seed, LMK_SEED_SIZE); if (r) return r; } /* Sector is always 512B, block size 16, add data of blocks 1-31 */ - r = crypto_shash_update(&sdesc.desc, data + 16, 16 * 31); + r = crypto_shash_update(desc, data + 16, 16 * 31); if (r) return r; @@ -557,12 +554,12 @@ static int crypt_iv_lmk_one(struct crypt_config *cc, u8 *iv, buf[1] = cpu_to_le32((((u64)dmreq->iv_sector >> 32) & 0x00FFFFFF) | 0x80000000); buf[2] = cpu_to_le32(4024); buf[3] = 0; - r = crypto_shash_update(&sdesc.desc, (u8 *)buf, sizeof(buf)); + r = crypto_shash_update(desc, (u8 *)buf, sizeof(buf)); if (r) return r; /* No MD5 padding here */ - r = crypto_shash_export(&sdesc.desc, &md5state); + r = crypto_shash_export(desc, &md5state); if (r) return r; @@ -679,10 +676,7 @@ static int crypt_iv_tcw_whitening(struct crypt_config *cc, struct iv_tcw_private *tcw = &cc->iv_gen_private.tcw; u64 sector = cpu_to_le64((u64)dmreq->iv_sector); u8 buf[TCW_WHITENING_SIZE]; - struct { - struct shash_desc desc; - char ctx[crypto_shash_descsize(tcw->crc32_tfm)]; - } sdesc; + SHASH_DESC_ON_STACK(desc, tcw->crc32_tfm); int i, r; /* xor whitening with sector number */ @@ -691,16 +685,16 @@ static int crypt_iv_tcw_whitening(struct crypt_config *cc, crypto_xor(&buf[8], (u8 *)§or, 8); /* calculate crc32 for every 32bit part and xor it */ - sdesc.desc.tfm = tcw->crc32_tfm; - sdesc.desc.flags = CRYPTO_TFM_REQ_MAY_SLEEP; + desc->tfm = tcw->crc32_tfm; + desc->flags = CRYPTO_TFM_REQ_MAY_SLEEP; for (i = 0; i < 4; i++) { - r = crypto_shash_init(&sdesc.desc); + r = crypto_shash_init(desc); if (r) goto out; - r = crypto_shash_update(&sdesc.desc, &buf[i * 4], 4); + r = crypto_shash_update(desc, &buf[i * 4], 4); if (r) goto out; - r = crypto_shash_final(&sdesc.desc, &buf[i * 4]); + r = crypto_shash_final(desc, &buf[i * 4]); if (r) goto out; } diff --git a/drivers/md/dm-stats.c b/drivers/md/dm-stats.c index 28a90122a5a8..87f86c77b094 100644 --- a/drivers/md/dm-stats.c +++ b/drivers/md/dm-stats.c @@ -548,7 +548,7 @@ void dm_stats_account_io(struct dm_stats *stats, unsigned long bi_rw, * A race condition can at worst result in the merged flag being * misrepresented, so we don't have to disable preemption here. */ - last = __this_cpu_ptr(stats->last); + last = raw_cpu_ptr(stats->last); stats_aux->merged = (bi_sector == (ACCESS_ONCE(last->last_sector) && ((bi_rw & (REQ_WRITE | REQ_DISCARD)) == |