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1.chattr参数中 t的介绍如下
A file with the ’t’ attribute will not have a partial block fragment at the
end of the file merged with other files (for those filesystems which support
tail-merging). This is necessary for applications such as LILO which read
我想知道 它提到的 tail-merging指的是什么技术,有没有介绍的文章可以看看。
2.参数I介绍如下
The ’I’ attribute is used by the htree code to indicate that a directory is
behind indexed using hashed trees. It may not be set or reset using
chattr(1), although it can be displayed by lsattr(1).
我想知道 它指的htree有没有实践相关,实验等(网上找到的只是介绍他的工作原理)
3.另2个参数 X Z介绍如下
The ’X’ attribute is used by the experimental compression patches to indicate
that a raw contents of a compressed file can be accessed directly.
The ’Z’ attribute is used by the experimental compression patches to indicate
a compressed file is dirty.
不理解他的含义,求解释下、
谢谢~ |
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