On Wed, Jul 08, 2020 at 01:18:12PM -0400, tytso@xxxxxxx wrote: > On Thu, Jul 02, 2020 at 01:56:07AM +0000, Satya Tangirala wrote: > > From: Eric Biggers <ebiggers@xxxxxxxxxx> > > > > Wire up ext4 to support inline encryption via the helper functions which > > fs/crypto/ now provides. This includes: > > > > - Adding a mount option 'inlinecrypt' which enables inline encryption > > on encrypted files where it can be used. > > > > - Setting the bio_crypt_ctx on bios that will be submitted to an > > inline-encrypted file. > > > > Note: submit_bh_wbc() in fs/buffer.c also needed to be patched for > > this part, since ext4 sometimes uses ll_rw_block() on file data. > > > > - Not adding logically discontiguous data to bios that will be submitted > > to an inline-encrypted file. > > > > - Not doing filesystem-layer crypto on inline-encrypted files. > > > > Signed-off-by: Eric Biggers <ebiggers@xxxxxxxxxx> > > Co-developed-by: Satya Tangirala <satyat@xxxxxxxxxx> > > Signed-off-by: Satya Tangirala <satyat@xxxxxxxxxx> > > Reviewed-by: Theodore Ts'o <tytso@xxxxxxx> > Thanks Ted. I've applied this patch to fscrypt.git#master for 5.9. - Eric
