lfxy opened a new pull request, #5561:
URL: https://github.com/apache/hadoop/pull/5561
In concat RPC, it will call FSDirConcatOp::verifySrcFiles() to check the
source files. In this function, it would make permission check for srcs.
Whether do the permission check should be decided by dfs.permissions.enabled
configuration. And the 'pc' parameter is always not null.
`
// permission check for srcs
if (pc != null) {
fsd.checkPathAccess(pc, iip, FsAction.READ); // read the file
fsd.checkParentAccess(pc, iip, FsAction.WRITE); // for delete
}
`
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