@bbockelm commented on this pull request.
> @@ -2252,10 +2278,29 @@ int XrdOfs::rename(const char *old_name, // In
evsObject->Notify(XrdOfsEvs::Mv, evInfo);
}
+// If we cannot overwrite, we must open-exclusive first. This will test whether
+// we will destroy data in the rename (without actually destroying data).
+//
+ std::unique_ptr<XrdSfsFile> tmp_fp = nullptr;
+ if (cannot_overwrite)
+ {tmp_fp.reset(newFile(einfo));
+ if (!tmp_fp)
+ {return fsError(einfo, ENOMEM);}
+ if (SFS_OK != tmp_fp->open(new_name, SFS_O_CREAT, 0700, client, infoN))
Latest commit changes to the suggested test-then-rename approach. Resolving conversation.
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