alibaba / cloud-kernel

Cloud Kernel - an open-source Linux kernel originated by Alibaba Operating System Team

alibaba.github.io/cloud-kernel

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Xiaoguang Wang and Jeffle Xu jbd2: add missing tracepoint for reserved handle

c3ac3c3

Sep 23, 2020

jbd2: add missing tracepoint for reserved handle

fix #30604788

commit 4c273352bb4583750bf511fe24fe410610414496 upstream.

This issue was found when I use ebpf to trace every jbd2
handle's running info in dioread_nolock case.

Signed-off-by: Xiaoguang Wang <xiaoguang.wang@linux.alibaba.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Acked-by: Joseph Qi <joseph.qi@linux.alibaba.com>

c3ac3c3

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README

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.
See Documentation/00-INDEX for a list of what is contained in each file.

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.