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[5.13,068/380] f2fs: compress: fix to set zstd compress level correctly

Message ID 20210916155806.303782127@linuxfoundation.org
State New
Headers show
Series None | expand

Commit Message

Greg Kroah-Hartman Sept. 16, 2021, 3:57 p.m. UTC 
From: Chao Yu <chao@kernel.org>

[ Upstream commit 01f6afd0f3ccaa2d5f7fb87e7bd910dc17eef06b ]

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>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 fs/f2fs/f2fs.h | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)
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Patch

diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h
index a5de48e768d7..71af6a64a241 100644
--- a/fs/f2fs/f2fs.h
+++ b/fs/f2fs/f2fs.h
@@ -4020,7 +4020,8 @@  static inline void set_compress_context(struct inode *inode)
 				1 << COMPRESS_CHKSUM : 0;
 	F2FS_I(inode)->i_cluster_size =
 			1 << F2FS_I(inode)->i_log_cluster_size;
-	if (F2FS_I(inode)->i_compress_algorithm == COMPRESS_LZ4 &&
+	if ((F2FS_I(inode)->i_compress_algorithm == COMPRESS_LZ4 ||
+		F2FS_I(inode)->i_compress_algorithm == COMPRESS_ZSTD) &&
 			F2FS_OPTION(sbi).compress_level)
 		F2FS_I(inode)->i_compress_flag |=
 				F2FS_OPTION(sbi).compress_level <<