On Wed, Jul 22, 2020 at 04:32:47PM -0700, Darrick J. Wong wrote:
> On Wed, Jul 22, 2020 at 04:26:25PM -0700, Eric Biggers wrote:
> > On Wed, Jul 22, 2020 at 03:34:04PM -0700, Eric Biggers wrote:
> > > So, something like this:
> > >
> > > diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
> > > index 4
On Wed, Jul 22, 2020 at 04:26:25PM -0700, Eric Biggers wrote:
> On Wed, Jul 22, 2020 at 03:34:04PM -0700, Eric Biggers wrote:
> > So, something like this:
> >
> > diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
> > index 44bad4bb8831..2816194db46c 100644
> > --- a/fs/ext4/inode.c
> > +++ b/fs/ext4/
On Wed, Jul 22, 2020 at 03:34:04PM -0700, Eric Biggers wrote:
> So, something like this:
>
> diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
> index 44bad4bb8831..2816194db46c 100644
> --- a/fs/ext4/inode.c
> +++ b/fs/ext4/inode.c
> @@ -3437,6 +3437,15 @@ static int ext4_iomap_begin(struct inode *i
On Wed, Jul 22, 2020 at 11:44:07PM +0100, Matthew Wilcox wrote:
> On Wed, Jul 22, 2020 at 03:34:04PM -0700, Eric Biggers wrote:
> > > Which means you are now placing a new constraint on this code in
> > > that we cannot ever, in future, zero entire blocks here.
> > >
> > > This code can issue arbi
On Wed, Jul 22, 2020 at 03:34:04PM -0700, Eric Biggers wrote:
> > Which means you are now placing a new constraint on this code in
> > that we cannot ever, in future, zero entire blocks here.
> >
> > This code can issue arbitrary sized zeroing bios - multiple entire fs blocks
> > blocks if necessa
On Thu, Jul 23, 2020 at 07:16:29AM +1000, Dave Chinner wrote:
> On Mon, Jul 20, 2020 at 11:37:35PM +, Satya Tangirala wrote:
> > From: Eric Biggers
> >
> > Wire up iomap direct I/O with the fscrypt additions for direct I/O.
> > This allows ext4 to support direct I/O on encrypted files when in
On Mon, Jul 20, 2020 at 11:37:35PM +, Satya Tangirala wrote:
> From: Eric Biggers
>
> Wire up iomap direct I/O with the fscrypt additions for direct I/O.
> This allows ext4 to support direct I/O on encrypted files when inline
> encryption is enabled.
>
> This change consists of two parts:
>
On Wed, Jul 22, 2020 at 10:24:37AM -0700, Jaegeuk Kim wrote:
> On 07/22, Greg KH wrote:
> > On Wed, Jul 22, 2020 at 09:43:56AM -0700, Jaegeuk Kim wrote:
> > > On 07/19, Greg KH wrote:
> > > > On Sun, Jul 19, 2020 at 02:44:08PM +0900, Daeho Jeong wrote:
> > > > > From: Daeho Jeong
> > > > >
> > >
On 07/22, Greg KH wrote:
> On Wed, Jul 22, 2020 at 09:43:56AM -0700, Jaegeuk Kim wrote:
> > On 07/19, Greg KH wrote:
> > > On Sun, Jul 19, 2020 at 02:44:08PM +0900, Daeho Jeong wrote:
> > > > From: Daeho Jeong
> > > >
> > > > Added a symbolic link directory pointing to its device name
> > > > dir
On 07/20, Satya Tangirala wrote:
> From: Eric Biggers
>
> Wire up iomap direct I/O with the fscrypt additions for direct I/O.
> This allows ext4 to support direct I/O on encrypted files when inline
> encryption is enabled.
>
> This change consists of two parts:
>
> - Set a bio_crypt_ctx on bios
On 07/20, Satya Tangirala wrote:
> From: Eric Biggers
>
> Wire up ext4 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
On 07/20, Satya Tangirala wrote:
> From: Eric Biggers
>
> Set bio crypt contexts on bios by calling into fscrypt when required,
> and explicitly check for DUN continuity when adding pages to the bio.
> (While DUN continuity is usually implied by logical block contiguity,
> this is not the case wh
On Wed, Jul 22, 2020 at 09:43:56AM -0700, Jaegeuk Kim wrote:
> On 07/19, Greg KH wrote:
> > On Sun, Jul 19, 2020 at 02:44:08PM +0900, Daeho Jeong wrote:
> > > From: Daeho Jeong
> > >
> > > Added a symbolic link directory pointing to its device name
> > > directory using the volume name of the par
On 07/20, Satya Tangirala wrote:
> From: Eric Biggers
>
> Introduce fscrypt_dio_supported() to check whether a direct I/O request
> is unsupported due to encryption constraints.
>
> Also introduce fscrypt_limit_io_pages() to limit how many pages can be
> added to a bio being prepared for direct
On 07/20, Satya Tangirala wrote:
> Update the fscrypt documentation file for inline encryption support.
>
> Signed-off-by: Satya Tangirala
> Reviewed-by: Eric Biggers
Reviewed-by: Jaegeuk Kim
> ---
> Documentation/filesystems/fscrypt.rst | 16 +++-
> 1 file changed, 15 insertions
On 07/20, Eric Biggers wrote:
> On Mon, Jul 20, 2020 at 11:37:39PM +, Satya Tangirala wrote:
> > Update fscrypt documentation to reflect the addition of direct I/O support
> > and document the necessary conditions for direct I/O on encrypted files.
> >
> > Signed-off-by: Satya Tangirala
>
>
On 07/19, Greg KH wrote:
> On Sun, Jul 19, 2020 at 02:44:08PM +0900, Daeho Jeong wrote:
> > From: Daeho Jeong
> >
> > Added a symbolic link directory pointing to its device name
> > directory using the volume name of the partition in sysfs.
> > (i.e., /sys/fs/f2fs/vol_#x -> /sys/fs/f2fs/sda1)
>
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