linux-kernel - [f2fs-dev] [PATCH] f2fs: remove unneeded code in punch

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Date:	Fri, 22 Nov 2013 16:52:50 +0800
From:	Chao Yu <chao2.yu@...sung.com>
To:	??? <jaegeuk.kim@...sung.com>
Cc:	linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-f2fs-devel@...ts.sourceforge.net,
	谭姝 <shu.tan@...sung.com>,
	fanofcode.li@...sung.com
Subject: [f2fs-dev] [PATCH] f2fs: remove unneeded code in punch_hole

Because FALLOC_FL_PUNCH_HOLE flag must be ORed with FALLOC_FL_KEEP_SIZE 
in fallocate, so we could remove the useless 'keep size' branch code which 
will never be excuted in punch_hole.

Signed-off-by: Chao Yu <chao2.yu@...sung.com>
Signed-off-by: Fan Li <fanofcode.li@...sung.com>
---
 fs/f2fs/file.c |    6 ------
 1 file changed, 6 deletions(-)

diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c
index 7d714f4..0087d2a 100644
--- a/fs/f2fs/file.c
+++ b/fs/f2fs/file.c
@@ -499,12 +499,6 @@ static int punch_hole(struct inode *inode, loff_t offset, loff_t len, int mode)
 		}
 	}
 
-	if (!(mode & FALLOC_FL_KEEP_SIZE) &&
-		i_size_read(inode) <= (offset + len)) {
-		i_size_write(inode, offset);
-		mark_inode_dirty(inode);
-	}
-
 	return ret;
 }
 
-- 
1.7.9.5

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