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>
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@ -943,6 +943,8 @@ static struct inode *ext4_alloc_inode(struct super_block *sb)
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memset(&ei->i_cached_extent, 0, sizeof(struct ext4_ext_cache));
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INIT_LIST_HEAD(&ei->i_prealloc_list);
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spin_lock_init(&ei->i_prealloc_lock);
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ext4_es_init_tree(&ei->i_es_tree);
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rwlock_init(&ei->i_es_lock);
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ei->i_reserved_data_blocks = 0;
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ei->i_reserved_meta_blocks = 0;
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ei->i_allocated_meta_blocks = 0;
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