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3a52c03d1e
1) it doesn't make any sense to have ->open() call set_blocksize() on the device being opened - the caller will override that anyway. 2) setting block size on underlying device, OTOH, ought to be done when we are opening it exclusive - i.e. as part of pkt_open_dev(). Having it done at setup time doesn't guarantee us anything about the state at the time we start talking to it. Worse, if you happen to have the underlying device containing e.g. ext2 with 4Kb blocks that is currently mounted r/o, that set_blocksize() will confuse the hell out of filesystem. Reviewed-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Christian Brauner <brauner@kernel.org> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> |
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| README | ||
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 reStructuredText 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.