John Zhuge created HDFS-11392:
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Summary: FSPermissionChecker#checkSubAccess should support
inodeattribute provider
Key: HDFS-11392
URL: https://issues.apache.org/jira/browse/HDFS-11392
Project: Hadoop HDFS
Issue Type: Bug
Components: namenode
Affects Versions: 2.7.0
Reporter: John Zhuge
Priority: Minor
HDFS-6826 added this TODO in {{FSPermissionChecker#checkSubAccess}}:
{code:title=FSPermissionChecker#checkSubAccess}
//TODO have to figure this out with inodeattribute provider
INodeAttributes inodeAttr =
getINodeAttrs(components, pathIdx, d, snapshotId);
{code}
If inodeattribute provider in play, it always incorrectly returns the root attr
of the subtree even when it descends multiple levels down the sub tree, because
the components array is for the root .
{code:title=FSPermissionChecker#getINodeAttrs}
private INodeAttributes getINodeAttrs(byte[][] pathByNameArr, int pathIdx,
INode inode, int snapshotId) {
INodeAttributes inodeAttrs = inode.getSnapshotINode(snapshotId);
if (getAttributesProvider() != null) {
String[] elements = new String[pathIdx + 1];
for (int i = 0; i < elements.length; i++) {
elements[i] = DFSUtil.bytes2String(pathByNameArr[i]);
}
inodeAttrs = getAttributesProvider().getAttributes(elements, inodeAttrs);
}
return inodeAttrs;
}
{code}
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