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7de0394801
For failure by timeout waiting for credits, changed the error returned to the app with EBUSY, instead of ENOTSUPP. This is done because this situation is possible even in non-buggy cases. i.e. overloaded server can return 0 credits until done with outstanding requests. And this feels like a better error to return to the app. For cases of zero credits found even when there are no requests in flight, replaced ENOTSUPP with EDEADLK, since we're avoiding deadlock here by returning error. Signed-off-by: Shyam Prasad N <sprasad@microsoft.com> Reviewed-by: Pavel Shilovsky <pshilov@microsoft.com> Signed-off-by: Steve French <stfrench@microsoft.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.