f2fs: compress: fix to set zstd compress level correctly
As 5kft reported in [1]:
set_compress_context() should set compress level into .i_compress_flag
for zstd as well as lz4hc, otherwise, zstd compressor will still use
default zstd compress level during compression, fix it.
[1] https://lore.kernel.org/linux-f2fs-devel/
8e29f52b-6b0d-45ec-9520-
e63eb254287a@www.fastmail.com/T/#u
Fixes:
3fde13f817e2 ("f2fs: compress: support compress level")
Reported-by: 5kft <5kft@5kft.org>
Signed-off-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>