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689fe57e7e
This revertsdbf8e63f48("f2fs: remove device type check for direct IO"), and apply the below first version, since it contributed out-of-order DIO writes. For zoned devices, f2fs forbids direct IO and forces buffered IO to serialize write IOs. However, the constraint does not apply to read IOs. Cc: stable@vger.kernel.org Fixes:dbf8e63f48("f2fs: remove device type check for direct IO") Signed-off-by: Eunhee Rho <eunhee83.rho@samsung.com> Reviewed-by: Chao Yu <chao@kernel.org> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
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.