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[ Upstream commite3b929b0a1] Non-inline io_schedule() was introduced in: commit10ab56434f("sched/core: Separate out io_schedule_prepare() and io_schedule_finish()") Keep in line with io_schedule_timeout(), otherwise "/proc/<pid>/wchan" will report io_schedule() rather than its callers when waiting for IO. Reported-by: Jilong Kou <koujilong@huawei.com> Signed-off-by: Gao Xiang <gaoxiang25@huawei.com> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Acked-by: Tejun Heo <tj@kernel.org> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Miao Xie <miaoxie@huawei.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Fixes:10ab56434f("sched/core: Separate out io_schedule_prepare() and io_schedule_finish()") Link: https://lkml.kernel.org/r/20190603091338.2695-1-gaoxiang25@huawei.com Signed-off-by: Ingo Molnar <mingo@kernel.org> Signed-off-by: Sasha Levin <sashal@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.
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.