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d9ca1de8c0
mptcp_sendmsg() is refactored so that first it copies the data provided from user space into the send queue, and then tries to spool the send queue via sendmsg_frag. There a subtle change in the mptcp level collapsing on consecutive data fragment: we now allow that only on unsent data. The latter don't need to deal with msghdr data anymore and can be simplified in a relevant way. snd_nxt and write_seq are now tracked independently. Overall this allows some relevant cleanup and will allow sending pending mptcp data on msk una update in later patch. Co-developed-by: Florian Westphal <fw@strlen.de> Signed-off-by: Florian Westphal <fw@strlen.de> Signed-off-by: Paolo Abeni <pabeni@redhat.com> Signed-off-by: Jakub Kicinski <kuba@kernel.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.