| Message ID | 20200720233739.824943-6-satyat@google.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | add support for direct I/O with fscrypt using blk-crypto | expand |
On 07/20, Satya Tangirala wrote: > From: Eric Biggers <ebiggers@google.com> > > Wire up f2fs with fscrypt direct I/O support. direct I/O with fscrypt is > only supported through blk-crypto (i.e. CONFIG_BLK_INLINE_ENCRYPTION must > have been enabled, the 'inlinecrypt' mount option must have been specified, > and either hardware inline encryption support must be present or > CONFIG_BLK_INLINE_ENCYRPTION_FALLBACK must have been enabled). Further, > direct I/O on encrypted files is only supported when I/O is aligned > to the filesystem block size (which is *not* necessarily the same as the > block device's block size). > > Signed-off-by: Eric Biggers <ebiggers@google.com> > Co-developed-by: Satya Tangirala <satyat@google.com> > Signed-off-by: Satya Tangirala <satyat@google.com> Acked-by: Jaegeuk Kim <jaegeuk@kernel.org> > --- > fs/f2fs/f2fs.h | 6 +++++- > 1 file changed, 5 insertions(+), 1 deletion(-) > > diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h > index b35a50f4953c..978130b5a195 100644 > --- a/fs/f2fs/f2fs.h > +++ b/fs/f2fs/f2fs.h > @@ -4082,7 +4082,11 @@ static inline bool f2fs_force_buffered_io(struct inode *inode, > struct f2fs_sb_info *sbi = F2FS_I_SB(inode); > int rw = iov_iter_rw(iter); > > - if (f2fs_post_read_required(inode)) > + if (!fscrypt_dio_supported(iocb, iter)) > + return true; > + if (fsverity_active(inode)) > + return true; > + if (f2fs_compressed_file(inode)) > return true; > if (f2fs_is_multi_device(sbi)) > return true; > -- > 2.28.0.rc0.105.gf9edc3c819-goog
diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h index b35a50f4953c..978130b5a195 100644 --- a/fs/f2fs/f2fs.h +++ b/fs/f2fs/f2fs.h @@ -4082,7 +4082,11 @@ static inline bool f2fs_force_buffered_io(struct inode *inode, struct f2fs_sb_info *sbi = F2FS_I_SB(inode); int rw = iov_iter_rw(iter); - if (f2fs_post_read_required(inode)) + if (!fscrypt_dio_supported(iocb, iter)) + return true; + if (fsverity_active(inode)) + return true; + if (f2fs_compressed_file(inode)) return true; if (f2fs_is_multi_device(sbi)) return true;