linux

iv/linux

History

Eric Biggers 930d453995 fscrypt: handle blocksize < PAGE_SIZE in fscrypt_zeroout_range()

Adjust fscrypt_zeroout_range() to encrypt a block at a time rather than
a page at a time, so that it works when blocksize < PAGE_SIZE.

This isn't optimized for performance, but then again this function
already wasn't optimized for performance.  As a future optimization, we
could submit much larger bios here.

This is in preparation for allowing encryption on ext4 filesystems with
blocksize != PAGE_SIZE.

This is based on work by Chandan Rajendra.

Reviewed-by: Chandan Rajendra <chandan@linux.ibm.com>
Signed-off-by: Eric Biggers <ebiggers@google.com>

2019-05-28 10:27:53 -07:00

bio.c

fscrypt: handle blocksize < PAGE_SIZE in fscrypt_zeroout_range()

2019-05-28 10:27:53 -07:00

crypto.c

fscrypt: support encrypting multiple filesystem blocks per page

2019-05-28 10:27:53 -07:00

fname.c

fscrypt: fix race where ->lookup() marks plaintext dentry as ciphertext

2019-04-17 10:07:51 -04:00

fscrypt_private.h

fscrypt: rename fscrypt_do_page_crypto() to fscrypt_crypt_block()