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7f2173894f
Replace internal subbuf_start in blktrace with the default policy in relayfs. Remove dropped field from struct blktrace. Correspondingly, call the common helper in relay. By incrementing full_count to keep track of how many times we encountered a full buffer issue, user space will know how many events were lost. Link: https://lkml.kernel.org/r/20250612061201.34272-5-kerneljasonxing@gmail.com Signed-off-by: Jason Xing <kernelxing@tencent.com> Reviewed-by: Yushan Zhou <katrinzhou@tencent.com> Reviewed-by: Jens Axboe <axboe@kernel.dk> Reviewed-by: Masami Hiramatsu (Google) <mhiramat@kernel.org> Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com> Cc: Steven Rostedt <rostedt@goodmis.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.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.