Lookups are performed on the dentry cache, which result in an object in the inode cache.
查找是在dentry缓存中执行的，这将导致inode缓存中出现一个对象。
The dentry cache is built using a hash table and is hashed by the name of the object.
使用散列表创建dentry缓存，并且根据对象名分配缓存。
You can find the functions associated with the dentry cache in ./linux/fs/dcache.c (and ./linux/include/linux/dcache.h).
您可以在 ./linux/fs/dcache.c 和 ./linux/include/linux/dcache.h 中找到与 dentry 缓存相关的函数。
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