On Fri, Jan 27, 2023 at 02:42:02PM -0800, Eric Biggers wrote: > From: Eric Biggers <ebiggers@xxxxxxxxxx> > > Try to make the filesystem-level decryption functions in fs/crypto/ > aware of large folios. This includes making fscrypt_decrypt_bio() > support the case where the bio contains large folios, and making > fscrypt_decrypt_pagecache_blocks() take a folio instead of a page. > > There's no way to actually test this with large folios yet, but I've > tested that this doesn't cause any regressions. > > Note that this patch just handles *decryption*, not encryption which > will be a little more difficult. > > Signed-off-by: Eric Biggers <ebiggers@xxxxxxxxxx> > --- > Documentation/filesystems/fscrypt.rst | 4 ++-- > fs/buffer.c | 4 ++-- > fs/crypto/bio.c | 10 ++++------ > fs/crypto/crypto.c | 28 ++++++++++++++------------- > fs/ext4/inode.c | 6 ++++-- > include/linux/fscrypt.h | 9 ++++----- > 6 files changed, 31 insertions(+), 30 deletions(-) Applied to https://git.kernel.org/pub/scm/fs/fsverity/linux.git/log/?h=for-next (I used the fsverity tree instead of the fscrypt tree, so that I could resolve the conflict with "fs/buffer.c: support fsverity in block_read_full_folio()" in the fsverity tree.) - Eric
