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Ilya Dryomov 45e6aa9f55 libceph: crush_location infrastructure
Allow expressing client's location in terms of CRUSH hierarchy as
a set of (bucket type name, bucket name) pairs.  The userspace syntax
"crush_location = key1=value1 key2=value2" is incompatible with mount
options and needed adaptation.  Key-value pairs are separated by '|'
and we use ':' instead of '=' to separate keys from values.  So for:

  crush_location = host=foo rack=bar

one would write:

  crush_location=host:foo|rack:bar

As in userspace, "multipath" locations are supported, so indicating
locality for parallel hierarchies is possible:

  crush_location=rack:foo1|rack:foo2|datacenter:bar

Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
Reviewed-by: Jeff Layton <jlayton@kernel.org>
2020-06-01 13:22:53 +02:00
arch A pile of x86 fixes: 2020-05-31 10:45:11 -07:00
block
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crypto
Documentation checkpatch/coding-style: deprecate 80-column warning 2020-05-31 11:00:42 -07:00
drivers libceph, rbd: replace zero-length array with flexible-array 2020-06-01 13:22:53 +02:00
fs ceph: skip checking caps when session reconnecting and releasing reqs 2020-06-01 13:22:53 +02:00
include libceph: crush_location infrastructure 2020-06-01 13:22:53 +02:00
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scripts checkpatch/coding-style: deprecate 80-column warning 2020-05-31 11:00:42 -07:00
security
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tools A pile of x86 fixes: 2020-05-31 10:45:11 -07:00
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Makefile Linux 5.7 2020-05-31 16:49:15 -07:00
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.