Commit d5929de8 authored Feb 27, 2013 by Dave Chinner Committed by Ben Myers Mar 07, 2013

xfs: don't verify buffers after IO errors



When we read a buffer, we might get an error from the underlying
block device and not the real data. Hence if we get an IO error, we
shouldn't run the verifier but instead just pass the IO error
straight through.

Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Mark Tinguely <tinguely@sgi.com>
Signed-off-by: Ben Myers <bpm@sgi.com>

parent e8108ced

fs/xfs/xfs_buf.c

+3 −1

Original line number	Diff line number	Diff line
		@@ -1022,7 +1022,9 @@ xfs_buf_iodone_work(
		bool read = !!(bp->b_flags & XBF_READ);

		bp->b_flags &= ~(XBF_READ \| XBF_WRITE \| XBF_READ_AHEAD);
		if (read && bp->b_ops)

		/* only validate buffers that were read without errors */
		if (read && bp->b_ops && !bp->b_error && (bp->b_flags & XBF_DONE))
		bp->b_ops->verify_read(bp);

		if (bp->b_iodone)

Admin message