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203457e11b
Replace the call->acks_first_seq variable (which holds ack.firstPacket from the latest ACK packet and indicates the sequence number of the first ack slot in the SACK table) with call->acks_hard_ack which will hold the highest sequence hard ACK'd. This is 1 less than call->acks_first_seq, but it fits in the same schema as the other tracking variables which hold the sequence of a packet, not one past it. This will fix the rxrpc_congest tracepoint's calculation of SACK window size which shows one fewer than it should - and will occasionally go to -1. Signed-off-by: David Howells <dhowells@redhat.com> cc: Marc Dionne <marc.dionne@auristor.com> cc: linux-afs@lists.infradead.org Link: https://patch.msgid.link/20241204074710.990092-21-dhowells@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 reStructuredText 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.