linux-ext4 - [PATCH] ext4: fix comments in ext4_can_extents_be

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Message-ID: <1423048305-11335-1-git-send-email-wangxg.fnst@cn.fujitsu.com>
Date:	Wed, 4 Feb 2015 19:11:45 +0800
From:	Xiaoguang Wang <wangxg.fnst@...fujitsu.com>
To:	<linux-ext4@...r.kernel.org>
CC:	<tytso@....edu>, <darrick.wong@...cle.com>,
	Xiaoguang Wang <wangxg.fnst@...fujitsu.com>
Subject: [PATCH] ext4: fix comments in ext4_can_extents_be_merged()

Since commit 66369e0, we are allowed to merge unwritten extents,
so here these comments are wrong, remove it.

Signed-off-by: Xiaoguang Wang <wangxg.fnst@...fujitsu.com>
---
 fs/ext4/extents.c | 6 ------
 1 file changed, 6 deletions(-)

diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c
index bed4308..2e6af88 100644
--- a/fs/ext4/extents.c
+++ b/fs/ext4/extents.c
@@ -1717,12 +1717,6 @@ ext4_can_extents_be_merged(struct inode *inode, struct ext4_extent *ex1,
 {
 	unsigned short ext1_ee_len, ext2_ee_len;
 
-	/*
-	 * Make sure that both extents are initialized. We don't merge
-	 * unwritten extents so that we can be sure that end_io code has
-	 * the extent that was written properly split out and conversion to
-	 * initialized is trivial.
-	 */
 	if (ext4_ext_is_unwritten(ex1) != ext4_ext_is_unwritten(ex2))
 		return 0;
 
-- 
1.8.3.1

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