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>
