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Yangtao Li 023beaeca6 btrfs: remove BTRFS_REF_LAST from enum btrfs_ref_type 
Commit b28b1f0ce4 ("btrfs: delayed-ref: Introduce better documented
delayed ref structures") introduced BTRFS_REF_LAST, which can be used
for sanity checking, e.g. in switch/case or for loops.

In btrfs_ref_type() there is an assertion

  ASSERT(ref->type == BTRFS_REF_DATA || ref->type == BTRFS_REF_METADATA);

to validate the values so we don't need the ending enum.

Signed-off-by: Yangtao Li <frank.li@vivo.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
History 2025-05-15 14:30:47 +02:00
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README

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 reStructuredText 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.