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790a1d44f9
We were using btrfs_i_size_write(), which unconditionally jacks up inode->disk_i_size. However since clone can operate on ranges we could have pending ordered extents for a range prior to the start of our clone operation and thus increase disk_i_size too far and have a hole with no file extent. Fix this by using the btrfs_ordered_update_i_size helper which will do the right thing in the face of pending ordered extents outside of our clone range. Reviewed-by: Filipe Manana <fdmanana@suse.com> Signed-off-by: Josef Bacik <josef@toxicpanda.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.