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9c9afedf3a
[ Upstream commit02d58cd253] Compresse file and normal file has differ in i_addr addressing, specifically addrs per inode/block. So, we will face data loss, if we disable the compression flag on non-empty files. Therefore we should disallow not only enabling but disabling the compression flag on non-empty files. Fixes:4c8ff7095b("f2fs: support data compression") Signed-off-by: Sungjong Seo <sj1557.seo@samsung.com> Signed-off-by: Hyeong-Jun Kim <hj514.kim@samsung.com> Reviewed-by: Chao Yu <chao@kernel.org> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org> Signed-off-by: Sasha Levin <sashal@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.