linux-kernel - [PATCH AUTOSEL 4.20 087/304] f2fs: avoid build warn of fall

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Message-Id: <20190128154341.47195-87-sashal@kernel.org>
Date:   Mon, 28 Jan 2019 10:40:04 -0500
From:   Sasha Levin <sashal@...nel.org>
To:     linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc:     Jaegeuk Kim <jaegeuk@...nel.org>, Sasha Levin <sashal@...nel.org>,
        linux-f2fs-devel@...ts.sourceforge.net
Subject: [PATCH AUTOSEL 4.20 087/304] f2fs: avoid build warn of fall_through

From: Jaegeuk Kim <jaegeuk@...nel.org>

[ Upstream commit f5d5510e7389fa264337fb524346bac9eb93adc8 ]

After merging the f2fs tree, today's linux-next build
 (x86_64_allmodconfig) produced this warning:

 In file included from fs/f2fs/dir.c:11:
 fs/f2fs/f2fs.h: In function '__mark_inode_dirty_flag':
 fs/f2fs/f2fs.h:2388:6: warning: this statement may fall through [-Wimplicit-fallthrough=]
    if (set)
       ^
 fs/f2fs/f2fs.h:2390:2: note: here
   case FI_DATA_EXIST:
   ^~~~

 Exposed by my use of -Wimplicit-fallthrough

Reported-by: Stephen Rothwell <sfr@...b.auug.org.au>
Signed-off-by: Jaegeuk Kim <jaegeuk@...nel.org>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 fs/f2fs/f2fs.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h
index 1e031971a466..ebad864c031c 100644
--- a/fs/f2fs/f2fs.h
+++ b/fs/f2fs/f2fs.h
@@ -2370,6 +2370,7 @@ static inline void __mark_inode_dirty_flag(struct inode *inode,
 	case FI_NEW_INODE:
 		if (set)
 			return;
+		/* fall through */
 	case FI_DATA_EXIST:
 	case FI_INLINE_DOTS:
 	case FI_PIN_FILE:
-- 
2.19.1