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42e5425aa0
When using TIPC_SOCK_RECVQ_DEPTH for getsockopt(), it returns the number of buffers in receive socket buffer which is not so helpful for user space applications. This commit introduces the new option TIPC_SOCK_RECVQ_USED which returns the current allocated bytes of the receive socket buffer. This helps user space applications dimension its buffer usage to avoid buffer overload issue. Signed-off-by: Tung Nguyen <tung.q.nguyen@dektech.com.au> Acked-by: Jon Maloy <jon.maloy@ericsson.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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.