ZanderXu created HDFS-17390: ------------------------------- Summary: [FGL] FSDirectory supports this fine-grained locking Key: HDFS-17390 URL: https://issues.apache.org/jira/browse/HDFS-17390 Project: Hadoop HDFS Issue Type: Sub-task Reporter: ZanderXu
{code:java} /** * The directory lock dirLock provided redundant locking. * It has been used whenever namesystem.fsLock was used. * dirLock is now removed and utility methods to acquire and release dirLock * remain as placeholders only */ void readLock() { assert namesystem.hasReadLock() : "Should hold namesystem read lock"; } void readUnlock() { assert namesystem.hasReadLock() : "Should hold namesystem read lock"; } void writeLock() { assert namesystem.hasWriteLock() : "Should hold namesystem write lock"; } void writeUnlock() { assert namesystem.hasWriteLock() : "Should hold namesystem write lock"; } boolean hasWriteLock() { return namesystem.hasWriteLock(); } boolean hasReadLock() { return namesystem.hasReadLock(); } @Deprecated // dirLock is obsolete, use namesystem.fsLock instead public int getReadHoldCount() { return namesystem.getReadHoldCount(); } @Deprecated // dirLock is obsolete, use namesystem.fsLock instead public int getWriteHoldCount() { return namesystem.getWriteHoldCount(); } public int getListLimit() { return lsLimit; } {code} -- This message was sent by Atlassian Jira (v8.20.10#820010) --------------------------------------------------------------------- To unsubscribe, e-mail: hdfs-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: hdfs-issues-h...@hadoop.apache.org