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6797ebc4ac
When using f2fs on a zoned block device with 2MiB zone size, IO errors occurs because f2fs tries to write data to a zone that has not been reset. The cause is that f2fs tries to discard multiple zones at once. This is caused by a condition in f2fs_clear_prefree_segments that does not check for zoned block devices when setting the discard range. This leads to invalid reset commands and write pointer mismatches. This patch fixes the zoned block device with 2MiB zone size to reset one zone at a time. Signed-off-by: Yonggil Song <yonggil.song@samsung.com> 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.