Messages in this thread | | | Date | Mon, 12 Jan 2009 16:46:34 +0100 | From | Christoph Hellwig <> | Subject | new barrier warnings in 2.6.29-rc1 |
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Whever a filesystem submits a bio with the barrier flag set but the underlying hardware doesn't support it we now get errors in the form of:
[ 3046.442629] end_request: I/O error, dev vdb, sector 0
since commit a7384677b2f4cd40948fd7ce024ba5e1821444ba which removed the early check on the queue capabilities in __make_request. I think this message is pretty annoying and confusing for the user as the filesystems already have more descriptive warnings, e.g. for XFS:
[ 3046.455478] Filesystem "vdb": Disabling barriers, trial barrier write failed
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