Re: [PATCH v11 01/14] fs: export rw_verify_area()

Omar Sandoval
2021-11-18T19:19:42Z

On Wed, Sep 01, 2021 at 10:00:56AM -0700, Omar Sandoval wrote:
> From: Omar Sandoval <osandov@fb.com>
>
> I'm adding Btrfs ioctls to read and write compressed data, and rather
> than duplicating the checks in rw_verify_area(), let's just export it.
>
> Reviewed-by: Josef Bacik <josef@toxicpanda.com>
> Signed-off-by: Omar Sandoval <osandov@fb.com>
> ---
> fs/internal.h | 5 -----
> fs/read_write.c | 1 +
> include/linux/fs.h | 1 +
> 3 files changed, 2 insertions(+), 5 deletions(-)

Could I please get an ack from the VFS side on this patch and "fs:
export variant of generic_write_checks without iov_iter"? We're going
the route of doing this as a Btrfs ioctl since we couldn't agree on a
generic interface, so this is all I need from the VFS.