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3d8cc17a05
Add /sys/fs/btrfs/UUID/read_policy attribute so that the read policy for the raid1, raid1c34 and raid10 can be tuned. When this attribute is read, it will show all available policies, with active policy in [ ]. The read_policy attribute can be written using one of the items listed in there. For example: $ cat /sys/fs/btrfs/UUID/read_policy [pid] $ echo pid > /sys/fs/btrfs/UUID/read_policy Reviewed-by: Josef Bacik <josef@toxicpanda.com> Signed-off-by: Anand Jain <anand.jain@oracle.com> Reviewed-by: David Sterba <dsterba@suse.com> Signed-off-by: David Sterba <dsterba@suse.com>
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.