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| H A D | f2fs.h | diff 02d58cd253d7536c412993573fc6b3b4454960eb Tue Oct 26 23:16:00 CDT 2021 Hyeong-Jun Kim <hj514.kim@samsung.com> f2fs: compress: disallow disabling compress on non-empty compressed file
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: 4c8ff7095bef ("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>
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