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3887653c44
btrfs_submit_dev_bio is also called for clone bios that aren't embedded into a btrfs_bio structure, but previous commit "btrfs: optimize the logical to physical mapping for zoned writes" added code to assign btrfs_bio.orig_physical in it. This is harmless right now as only the single data profile can be used on zoned devices, but will blow up when the RAID stripe tree is added. Move it out into the single I/O specific branch in the caller. Signed-off-by: Christoph Hellwig <hch@lst.de> 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.