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939e1a3703
__bio_try_merge_page is a way too low-level helper to assert that the bio is not cloned. Move the check into bio_add_page and bio_iov_iter_get_pages instead, which are the high level entry points that should enforce this variant. bio_add_hw_page already this check, coverig the third (indirect) caller of __bio_try_merge_page. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Jinyoung Choi <j-young.choi@samsung.com> Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com> Link: https://lore.kernel.org/r/20230724165433.117645-4-hch@lst.de Signed-off-by: Jens Axboe <axboe@kernel.dk>
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.