linux-ext4 - [PATCH 1/2] ext4: remove a wrong BUG_ON in ext4_ext_convert_to

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Message-Id: <1323235287-29806-1-git-send-email-xiaoqiangnk@gmail.com>
Date:	Wed,  7 Dec 2011 13:21:26 +0800
From:	Yongqiang Yang <xiaoqiangnk@...il.com>
To:	linux-ext4@...r.kernel.org
Cc:	achender@...ux.vnet.ibm.com, hughd@...gle.com, tytso@....edu,
	Yongqiang Yang <xiaoqiangnk@...il.com>
Subject: [PATCH 1/2] ext4: remove a wrong BUG_ON in ext4_ext_convert_to_initialized

If a file is fallocated on a hole, map->m_lblk + map->m_len may be greater
than ee_block + ee_len.

Signed-off-by: Yongqiang Yang <xiaoqiangnk@...il.com>
---
 fs/ext4/extents.c |    1 -
 1 files changed, 0 insertions(+), 1 deletions(-)

diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c
index 6f0300e..29bb629 100644
--- a/fs/ext4/extents.c
+++ b/fs/ext4/extents.c
@@ -2943,7 +2943,6 @@ static int ext4_ext_convert_to_initialized(handle_t *handle,
 	/* Pre-conditions */
 	BUG_ON(!ext4_ext_is_uninitialized(ex));
 	BUG_ON(!in_range(map->m_lblk, ee_block, ee_len));
-	BUG_ON(map->m_lblk + map->m_len > ee_block + ee_len);
 
 	/*
 	 * Attempt to transfer newly initialized blocks from the currently
-- 
1.7.5.1

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