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26 lines
564 B
C
26 lines
564 B
C
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/*
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* fs/ext4/extents_status.h
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*
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* Written by Yongqiang Yang <xiaoqiangnk@gmail.com>
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* Modified by
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* Allison Henderson <achender@linux.vnet.ibm.com>
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* Zheng Liu <wenqing.lz@taobao.com>
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*
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*/
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#ifndef _EXT4_EXTENTS_STATUS_H
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#define _EXT4_EXTENTS_STATUS_H
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struct extent_status {
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struct rb_node rb_node;
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ext4_lblk_t start; /* first block extent covers */
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ext4_lblk_t len; /* length of extent in block */
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};
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struct ext4_es_tree {
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struct rb_root root;
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struct extent_status *cache_es; /* recently accessed extent */
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};
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#endif /* _EXT4_EXTENTS_STATUS_H */
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