linux-kernel - [PATCH 1/3] f2fs: clarify compress level bit offset

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Date:   Thu, 12 Jan 2023 21:34:43 +0800
From:   Yangtao Li <frank.li@...o.com>
To:     jaegeuk@...nel.org, chao@...nel.org
Cc:     linux-f2fs-devel@...ts.sourceforge.net,
        linux-kernel@...r.kernel.org, Yangtao Li <frank.li@...o.com>
Subject: [PATCH 1/3] f2fs: clarify compress level bit offset

commit 3fde13f817e2 ("f2fs: compress: support compress level") introduce
compress level, which macro(COMPRESS_LEVEL_OFFSET) is 8, But use wrong
comment about compress level.

Let's fix it.

Signed-off-by: Yangtao Li <frank.li@...o.com>
---
 include/linux/f2fs_fs.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/linux/f2fs_fs.h b/include/linux/f2fs_fs.h
index ee0d75d9a302..1701f25117ea 100644
--- a/include/linux/f2fs_fs.h
+++ b/include/linux/f2fs_fs.h
@@ -315,7 +315,7 @@ struct f2fs_inode {
 			__u8 i_log_cluster_size;	/* log of cluster size */
 			__le16 i_compress_flag;		/* compress flag */
 						/* 0 bit: chksum flag
-						 * [10,15] bits: compress level
+						 * [8,15] bits: compress level
 						 */
 			__le32 i_extra_end[0];	/* for attribute size calculation */
 		} __packed;
-- 
2.25.1