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commit23ee27dce3upstream. We need to save the 'f_ra.ra_pages' to expand the readahead window later. Cc: stable@vger.kernel.org Fixes:4987005600("ceph: convert ceph_readpages to ceph_readahead") Link: https://lore.kernel.org/ceph-devel/20230504082510.247-1-sehuww@mail.scut.edu.cn Link: https://www.spinics.net/lists/ceph-users/msg76183.html Signed-off-by: Xiubo Li <xiubli@redhat.com> Reviewed-and-tested-by: Hu Weiwen <sehuww@mail.scut.edu.cn> Reviewed-by: Milind Changire <mchangir@redhat.com> Signed-off-by: Ilya Dryomov <idryomov@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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.