linux-kernel - [PATCH 4.19 068/313] f2fs: avoid build warn of fall

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Message-Id: <20190211141858.400816358@linuxfoundation.org>
Date:   Mon, 11 Feb 2019 15:15:48 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Stephen Rothwell <sfr@...b.auug.org.au>,
        Jaegeuk Kim <jaegeuk@...nel.org>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 4.19 068/313] f2fs: avoid build warn of fall_through

4.19-stable review patch.  If anyone has any objections, please let me know.

------------------

[ 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 ecb735142276..462a2fb8aa69 100644
--- a/fs/f2fs/f2fs.h
+++ b/fs/f2fs/f2fs.h
@@ -2311,6 +2311,7 @@ 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