On Fri, Dec 06, 2013 at 12:30:11PM -0800, Christoph Hellwig wrote: > From: Ben Myers <bpm@xxxxxxx> > > Although it was removed in commit 051e7cd44ab8, ilock needs to be taken in > xfs_readdir because we might have to read the extent list in from disk. This > keeps other threads from reading from or writing to the extent list while it is > being read in and is still in a transitional state. > > This has been associated with "Access to block zero" messages on directories > with large numbers of extents resulting from excessive filesytem fragmentation, > as well as extent list corruption. Unfortunately no test case at this point. > > Signed-off-by: Ben Myers <bpm@xxxxxxx> Looks good. Reviewed-by: Dave Chinner <dchinner@xxxxxxxxxx> -- Dave Chinner david@xxxxxxxxxxxxx _______________________________________________ xfs mailing list xfs@xxxxxxxxxxx http://oss.sgi.com/mailman/listinfo/xfs
