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Christoph Hellwig
98ded54a33
Nothing prevents a file system or userspace opener of the block device from redirtying the page right afte sync_blockdev returned. Fortunately data in the page cache during a block device change is mostly harmless anyway. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Jan Kara <jack@suse.cz> Tested-by: Darrick J. Wong <djwong@kernel.org> Link: https://lore.kernel.org/r/20220330052917.2566582-9-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.