Re: 2.6.32.3 x86_64 - XFS hangs, all I/O to D-state bug (again)

[Christoph Hellwig <hch@xxxxxxxxxxxxx>]

Can you check if this still happens with the patch below?


Index: linux-2.6/fs/xfs/linux-2.6/xfs_buf.c
===================================================================
--- linux-2.6.orig/fs/xfs/linux-2.6/xfs_buf.c   2010-02-11 15:47:49.677253958 
+0100
+++ linux-2.6/fs/xfs/linux-2.6/xfs_buf.c        2010-02-11 15:48:03.630005040 
+0100
@@ -1158,8 +1158,7 @@ _xfs_buf_ioapply(
                bp->b_flags &= ~_XBF_RUN_QUEUES;
                rw = (bp->b_flags & XBF_WRITE) ? WRITE_META : READ_META;
        } else {
-               rw = (bp->b_flags & XBF_WRITE) ? WRITE :
-                    (bp->b_flags & XBF_READ_AHEAD) ? READA : READ;
+               rw = (bp->b_flags & XBF_WRITE) ? WRITE : READ;
        }
 
        /* Special code path for reading a sub page size buffer in --