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HDFS-16238.Improve comments related to EncryptionZoneManager. (#3483) 

Co-authored-by: zhujianghua <zhujianghua@zhujianghuadeMacBook-Pro.local>
Reviewed-by: He Xiaoqiao <hexiaoqiao@apache.org>
Reviewed-by: Viraj Jasani <vjasani@apache.org>
This commit is contained in:
jianghuazhu 2021-10-01 10:30:41 +08:00 committed by GitHub
parent 211db3fe08
commit 1789c7c8c0
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1 changed files with 10 additions and 9 deletions
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hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/EncryptionZoneManager.java
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@ -616,8 +616,8 @@ public class EncryptionZoneManager {
/**
* Resolves the path to inode id, then check if it's the same as the inode id
* passed in. This is necessary to filter out zones in snapshots.
* @param zoneId
* @param zonePath
* @param zoneId of the encryption zone
* @param zonePath encryption zone inode path
* @return true if path resolve to the id, false if not.
* @throws AccessControlException
* @throws ParentNotDirectoryException
@ -645,8 +645,8 @@ public class EncryptionZoneManager {
/**
* Re-encrypts the given encryption zone path. If the given path is not the
* root of an encryption zone, an exception is thrown.
* @param zoneIIP
* @param keyVersionName
* @param zoneIIP encryption zone inodes in the path containing the file
* @param keyVersionName encryption zone version
* @throws IOException
*/
List<XAttr> reencryptEncryptionZone(final INodesInPath zoneIIP,
@ -677,7 +677,7 @@ public class EncryptionZoneManager {
* Cancels the currently-running re-encryption of the given encryption zone.
* If the given path is not the root of an encryption zone,
* an exception is thrown.
* @param zoneIIP
* @param zoneIIP encryption zone inodes in the path containing the file
* @throws IOException
*/
List<XAttr> cancelReencryptEncryptionZone(final INodesInPath zoneIIP)
@ -700,7 +700,8 @@ public class EncryptionZoneManager {
* Cursor-based listing of zone re-encryption status.
* <p>
* Called while holding the FSDirectory lock.
* @param prevId
* @param prevId for a given encryption zone id, a larger and more
* encryption zone can be found
* @throws IOException
*/
BatchedListEntries<ZoneReencryptionStatus> listReencryptionStatus(
@ -742,8 +743,8 @@ public class EncryptionZoneManager {
/**
* Return whether an INode is an encryption zone root.
* @param inode
* @param name
* @param inode of the encryption zone inode
* @param name the path name of the encrypted zone inode
* @return true when INode is an encryption zone root else false
* @throws FileNotFoundException
*/
@ -767,7 +768,7 @@ public class EncryptionZoneManager {
* Return whether an INode is an encryption zone root.
*
* @param inode the zone inode
* @param name
* @param name the path name of the encrypted zone inode
* @throws IOException if the inode is not a directory,
* or is a directory but not the root of an EZ.
*/