| 单词 | dentry | ||||||||||||
| 释义 | dentry
更多释义 收起释义 例句释义: 目录数据结构,目录项对象,目录入口 1. The hierarchical nature of a file system is managed by another object in VFS called a dentry object. 文件系统的层次结构由VFS中的另一个称为dentry的对象管理。 www.ibm.com 2. Multiple file objects may refer to the same dentry (as in the case of two users sharing the same file). 可能有多个文件对象引用同一个dentry（当两个用户共享同一个文件时）。 www.ibm.com 3. The root directory entry (dentry) object is cached here also, as is the block device on which this file system resides. 根目录条目（dentry）对象也缓存在这里，因为它是文件系统所在的块设备。 www.ibm.com 4. A file system will have one root dentry (referenced in the superblock), this being the only dentry without a parent. 文件系统有一个根dentry（在超块中引用），这是唯一没有父对象的dentry。 www.ibm.com 5. When a file is opened, the dentry cache is populated with entries representing the directory levels representing the path. 当打开一个文件时，dentry缓存将被表示目录级别（目录级别表示路径）的条目填充。 www.ibm.com 6. Only file system inodes are stored permanently, where dentry objects are used to improve performance. 仅永久储存文件系统inode，dentry对象的目的是改善性能。 www.ibm.com 7. This section explores the superblock, the index node (or inode), the directory entry (or dentry), and finally, the file object. 这个小节探索了超块（superblock）、索引节点（或inode）、目录条目（或dentry）和文件对象。 www.ibm.com 8. The two major objects that are dynamically managed in the VFS include the dentry and inode objects. 在VFS中动态管理的两个主要对象是dentry和inode对象。 www.ibm.com 9. The file object refers to a dentry object, which refers to an inode. file对象引用dentry对象，后者引用inode。 www.ibm.com 10. The name of the object is then defined, which is kept here in the dentry instead of the inode itself. 接着定义对象的名称，在这里名称保存在dentry中而不是inode中。 www.ibm.com 1. These objects are the superblock, inode, dentry, and file. 这些对象是超级块（superblock）、inode、dentry和文件。 www.ibm.com 2. When a dentry object exists, an inode object will also exist in the inode cache. 如果存在一个dentry对象，那么inode缓存中也将存在一个inode对象。 www.ibm.com 3. From the implementation today, the dentry cache is the master of the inode cache. 在现在的实现中，dentry缓存支配着inode缓存。 www.ibm.com 4. Note that the dentry objects exist only in file system memory and are not stored on disk. 注意，dentry对象仅存在文件系统内存中，而不能储存在磁盘上。 www.ibm.com 5. 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。 www.ibm.com 6. The most-recently used inodes and dentries are kept in the inode and directory cache respectively. inode和目录缓存分别保存最近使用的inode和dentry。 www.ibm.com 7. A simplified view of the dentry object is shown in Figure 5. 图5展示了dentry对象的简化图示。 www.ibm.com 8. Two caches exist for file system objects (inodes and dentries), which I'll define shortly. 有两个针对文件系统对象的缓存（inode和dentry）。 www.ibm.com 9. Note that for each inode in the inode cache there is a corresponding dentry in the directory cache. 注意，对于inode缓存中的每个inode，在目录缓存中都有一个对应的dentry。 www.ibm.com 10. In this way, dentries map cleanly into the hierarchical file systems in use today. 通过这种方式，dentry简洁地映射到现在使用的文件系统。 www.ibm.com 1. As shown, a path structure provides reference to both the dentry and vfsmount. 在图中可以看到，path结构提供到dentry和vfsmount的引用。 www.ibm.com 2. The operations for a dentry are then defined (consisting of operations such as hash, compare, delete, release, and so on). 然后，为dentry定义操作（比如hash、compare、delete和release等等）。 www.ibm.com 3. Note also in Figure 7 that a dentry object refers to another dentry object. 注意，在图7中一个dentry对象还引用另一个dentry对象。 www.ibm.com |
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