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To make it simpler to decrypt names in a readdir reply (i.e. before we have a dentry), add a new ceph_encode_encrypted_fname()-like helper that takes a qstr pointer instead of a dentry pointer. Once we've decrypted the names in a readdir reply, we no longer need the crypttext, so overwrite them in ceph_mds_reply_dir_entry with the unencrypted names. Then in both ceph_readdir_prepopulate() and ceph_readdir() we will use the dencrypted name directly. [ jlayton: convert some BUG_ONs into error returns ] Signed-off-by: Xiubo Li <xiubli@redhat.com> Reviewed-by: Jeff Layton <jlayton@kernel.org> Reviewed-and-tested-by: Luís Henriques <lhenriques@suse.de> Reviewed-by: Milind Changire <mchangir@redhat.com> Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.