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25a860c409
For btrfs_space_info, its flags has only 4 possible values: - BTRFS_BLOCK_GROUP_SYSTEM - BTRFS_BLOCK_GROUP_METADATA | BTRFS_BLOCK_GROUP_DATA - BTRFS_BLOCK_GROUP_METADATA - BTRFS_BLOCK_GROUP_DATA Make the output more human readable, now it looks like: BTRFS info (device dm-1: state A): space_info METADATA has 251494400 free, is not full Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com> Signed-off-by: Qu Wenruo <wqu@suse.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.