linux-ext4 - [PATCH 3/8 v3] ext4: initialize extent status tree

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Date:	Fri, 26 Oct 2012 21:23:40 +0800
From:	Zheng Liu <gnehzuil.liu@...il.com>
To:	linux-ext4@...r.kernel.org, jeff.liu@...cle.com
Cc:	tytso@....edu, hughd@...gle.com, xiaoqiangnk@...il.com,
	achender@...ux.vnet.ibm.com, lczerner@...hat.com,
	Zheng Liu <wenqing.lz@...bao.com>
Subject: [PATCH 3/8 v3] ext4: initialize extent status tree

From: Zheng Liu <wenqing.lz@...bao.com>

Let ext4 initialize extent status tree of an inode.

CC: "Theodore Ts'o" <tytso@....edu>
Signed-off-by: Yongqiang Yang <xiaoqiangnk@...il.com>
Signed-off-by: Allison Henderson <achender@...ux.vnet.ibm.com>
Signed-off-by: Zheng Liu <wenqing.lz@...bao.com>
---
v3 <- v2:
 - initialize i_es_lock

 fs/ext4/super.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index 80928f7..e0c824b 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -943,6 +943,8 @@ static struct inode *ext4_alloc_inode(struct super_block *sb)
 	memset(&ei->i_cached_extent, 0, sizeof(struct ext4_ext_cache));
 	INIT_LIST_HEAD(&ei->i_prealloc_list);
 	spin_lock_init(&ei->i_prealloc_lock);
+	ext4_es_init_tree(&ei->i_es_tree);
+	rwlock_init(&ei->i_es_lock);
 	ei->i_reserved_data_blocks = 0;
 	ei->i_reserved_meta_blocks = 0;
 	ei->i_allocated_meta_blocks = 0;
-- 
1.7.12.rc2.18.g61b472e

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