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Filipe Manana b7ac1acbdd btrfs: mark ordered extent insertion failure checks as unlikely
We never expect an ordered extent insertion to fail due to already having
another ordered extent in the tree for the same file offset, since we
always wait for existing ordered extents in a range to complete before
writing into the range again. So mark the failure checks for the results
of tree_insert() as unlikely, to make it clear it's never expected (save
exceptional causes like bugs or memory corruptions) and to serve as a hint
for the compiler to possibly generate better code.

Reviewed-by: Josef Bacik <josef@toxicpanda.com>
Reviewed-by: Qu Wenruo <wqu@suse.com>
Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Signed-off-by: Filipe Manana <fdmanana@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
History 2024-07-11 15:33:23 +02:00
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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.