Re: xfs_file_splice_read: possible circular locking dependency detected
CAI Qian <[email protected]>
| Newsgroups | gmane.comp.file-systems.xfs.general |
|---|---|
| Message-ID | <[email protected]> |
----- Original Message ----- > Fundamentally a splice infrastructure problem. If we let splice race > with hole punch and other fallocate() based extent manipulations to > avoid this lockdep warning, we allow potential for read or write to > regions of the file that have been freed. We can live with having > lockdep complain about this potential deadlock as it is unlikely to > ever occur in practice. The other option is simply not an acceptible > solution.... The problem with living with having this lockdep complain that it seems once this lockdep happens, it will prevent other complains from showing up. For example, I have to apply the commit dc3a04d to fix an early rcu lockdep first during the bisecting. CAI Qian _______________________________________________ xfs mailing list [email protected] http://oss.sgi.com/mailman/listinfo/xfs