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59e542c869
Avoid making allocations for !IMG_REQ_CHILD image requests. Only IMG_REQ_CHILD image requests need to be freed now. Move the initial request checks to rbd_queue_rq(). Unfortunately we can't fill the image request and kick the state machine directly from rbd_queue_rq() because ->queue_rq() isn't allowed to block. 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.