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71aa147b4d
When cow_file_range() fails in the middle of the allocation loop, it unlocks the pages but leaves the ordered extents intact. Thus, we need to call btrfs_cleanup_ordered_extents() to finish the created ordered extents. Also, we need to call end_extent_writepage() if locked_page is available because btrfs_cleanup_ordered_extents() never processes the region on the locked_page. Furthermore, we need to set the mapping as error if locked_page is unavailable before unlocking the pages, so that the errno is properly propagated to the user space. CC: stable@vger.kernel.org # 5.18+ Reviewed-by: Filipe Manana <fdmanana@suse.com> Signed-off-by: Naohiro Aota <naohiro.aota@wdc.com> Signed-off-by: David Sterba <dsterba@suse.com> |
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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 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.