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b831281bb9
Block devices do not, in general, report congestion any more, so this congestion_wait() is effectively just a sleep. It isn't entirely clear what is being waited for, but as we only wait when j_async_throttle is elevated, it seems reasonable to stop waiting when j_async_throttle becomes zero - or after the same timeout. So change to use wait_event_event_timeout() for waiting, and wake_up_var() to signal an end to waiting. Link: https://lore.kernel.org/r/163712368225.13692.3419908086400748349@noble.neil.brown.name Signed-off-by: NeilBrown <neilb@suse.de> Signed-off-by: Jan Kara <jack@suse.cz> |
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| block | ||
| certs | ||
| crypto | ||
| Documentation | ||
| drivers | ||
| fs | ||
| include | ||
| init | ||
| ipc | ||
| kernel | ||
| lib | ||
| LICENSES | ||
| mm | ||
| net | ||
| samples | ||
| scripts | ||
| security | ||
| sound | ||
| tools | ||
| usr | ||
| virt | ||
| .clang-format | ||
| .cocciconfig | ||
| .get_maintainer.ignore | ||
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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.
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.