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

From: Christoph Hellwig
Date: Thu Feb 11 2010 - 09:51:29 EST


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 --
--
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