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author | Russell King <rmk+kernel@armlinux.org.uk> | 2016-10-06 07:56:43 (GMT) |
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committer | Russell King <rmk+kernel@armlinux.org.uk> | 2016-10-06 07:56:43 (GMT) |
commit | 301a36fa700f9add6e14f5a95c7573e01578343a (patch) | |
tree | 6ff94ff3b08b838353b9127eb5f8055b3de6b25f /drivers/md/dm-crypt.c | |
parent | b828f960215f02e5d2c88bbd27565c694254a15a (diff) | |
parent | b60752f2b20c167859943e001727f0d4da419b23 (diff) | |
download | linux-301a36fa700f9add6e14f5a95c7573e01578343a.tar.xz |
Merge branches 'misc' and 'sa1111-base' into for-linus
Diffstat (limited to 'drivers/md/dm-crypt.c')
-rw-r--r-- | drivers/md/dm-crypt.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/drivers/md/dm-crypt.c b/drivers/md/dm-crypt.c index 4e9784b..8742957 100644 --- a/drivers/md/dm-crypt.c +++ b/drivers/md/dm-crypt.c @@ -181,7 +181,7 @@ struct crypt_config { u8 key[0]; }; -#define MIN_IOS 16 +#define MIN_IOS 64 static void clone_init(struct dm_crypt_io *, struct bio *); static void kcryptd_queue_crypt(struct dm_crypt_io *io); @@ -1453,7 +1453,7 @@ static int crypt_alloc_tfms(struct crypt_config *cc, char *ciphermode) unsigned i; int err; - cc->tfms = kmalloc(cc->tfms_count * sizeof(struct crypto_skcipher *), + cc->tfms = kzalloc(cc->tfms_count * sizeof(struct crypto_skcipher *), GFP_KERNEL); if (!cc->tfms) return -ENOMEM; @@ -1924,6 +1924,13 @@ static int crypt_map(struct dm_target *ti, struct bio *bio) return DM_MAPIO_REMAPPED; } + /* + * Check if bio is too large, split as needed. + */ + if (unlikely(bio->bi_iter.bi_size > (BIO_MAX_PAGES << PAGE_SHIFT)) && + bio_data_dir(bio) == WRITE) + dm_accept_partial_bio(bio, ((BIO_MAX_PAGES << PAGE_SHIFT) >> SECTOR_SHIFT)); + io = dm_per_bio_data(bio, cc->per_bio_data_size); crypt_io_init(io, cc, bio, dm_target_offset(ti, bio->bi_iter.bi_sector)); io->ctx.req = (struct skcipher_request *)(io + 1); |