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ext4: initialize extent status tree 

Let ext4 initialize extent status tree of an inode.

Signed-off-by: Yongqiang Yang <xiaoqiangnk@gmail.com>
Signed-off-by: Allison Henderson <achender@linux.vnet.ibm.com>
Signed-off-by: Zheng Liu <wenqing.lz@taobao.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
This commit is contained in:
Zheng Liu 2012-11-08 21:57:30 -05:00 committed by Theodore Ts'o
parent 654598bef3
commit 9a26b66175
1 changed files with 2 additions and 0 deletions
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2
fs/ext4/super.c
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@ -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)); memset(&ei->i_cached_extent, 0, sizeof(struct ext4_ext_cache));
INIT_LIST_HEAD(&ei->i_prealloc_list); INIT_LIST_HEAD(&ei->i_prealloc_list);
spin_lock_init(&ei->i_prealloc_lock); 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_data_blocks = 0;
ei->i_reserved_meta_blocks = 0; ei->i_reserved_meta_blocks = 0;
ei->i_allocated_meta_blocks = 0; ei->i_allocated_meta_blocks = 0;