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Michael Lyle
62530ed8b1
A new field was introduced in74d46992e0, bi_partno, instead of using bdev->bd_contains and encoding the partition information in the bi_bdev field. __bio_clone_fast was changed to copy the disk information, but not the partition information. At minimum, this regressed bcache and caused data corruption. Signed-off-by: Michael Lyle <mlyle@lyle.org> Fixes:74d46992e0("block: replace bi_bdev with a gendisk pointer and partitions index") Reported-by: Pavel Goran <via-bcache@pvgoran.name> Reported-by: Campbell Steven <casteven@gmail.com> Reviewed-by: Coly Li <colyli@suse.de> Reviewed-by: Ming Lei <ming.lei@redhat.com> Cc: <stable@vger.kernel.org> # 4.14 Signed-off-by: Jens Axboe <axboe@kernel.dk>
Linux kernel ============ This file was moved to Documentation/admin-guide/README.rst Please notice that there are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. There are various text files in the Documentation/ subdirectory, several of them using the Restructured Text markup notation. See Documentation/00-INDEX for a list of what is contained in each file. 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.