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(-)linux-2.6-xfs.orig/fs/xfs/linux-2.6/xfs_buf.c (+1 lines)
Lines 1007-1012 xfs_buf_iodone_work( Link Here
1007 
	    (bp->b_flags & (XBF_ORDERED|XBF_ASYNC)) == (XBF_ORDERED|XBF_ASYNC)) {
 1007 
	    (bp->b_flags & (XBF_ORDERED|XBF_ASYNC)) == (XBF_ORDERED|XBF_ASYNC)) {
1008 
		XB_TRACE(bp, "ordered_retry", bp->b_iodone);
 1008 
		XB_TRACE(bp, "ordered_retry", bp->b_iodone);
1009 
		bp->b_flags &= ~XBF_ORDERED;
 1009 
		bp->b_flags &= ~XBF_ORDERED;
1010 
		bp->b_flags |= _XFS_BARRIER_FAILED;
1010 
		xfs_buf_iorequest(bp);
 1011 
		xfs_buf_iorequest(bp);
1011 
	} else if (bp->b_iodone)
 1012 
	} else if (bp->b_iodone)
1012 
		(*(bp->b_iodone))(bp);
 1013 
		(*(bp->b_iodone))(bp);
(-)linux-2.6-xfs.orig/fs/xfs/linux-2.6/xfs_buf.h (+8 lines)
Lines 85-90 typedef enum { Link Here
85 
	 * modifications being lost.
 85 
	 * modifications being lost.
86 
	 */
 86 
	 */
87 
	_XBF_PAGE_LOCKED = (1 << 22),
 87 
	_XBF_PAGE_LOCKED = (1 << 22),
88 

            

            

              89
              
	/*

            

            

              90
              
	 * If we try a barrier write, but it fails we have to communicate

            

            

              91
              
	 * this to the upper layers.  Unfortunately b_error gets overwritten

            

            

              92
              
	 * when the buffer is re-issued so we have to add another flag to

            

            

              93
              
	 * keep this information.

            

            

              94
              
	 */

            

            

              95
              
	_XFS_BARRIER_FAILED = (1 << 23),

            

        

          88
          
} xfs_buf_flags_t;

          96
          
} xfs_buf_flags_t;

        

        

          89
          

          97
          

        

        

          90
          
typedef enum {

          98
          
typedef enum {

        



(-)linux-2.6-xfs.orig/fs/xfs/xfs_log.c
      (-1 / +2 lines)




  

    
      
            Lines 1037-1043
          xlog_iodone(xfs_buf_t *bp)
      
      
        Link Here
      
    
  

        

          1037
          
	 * layer, it means the underlyin device no longer supports

          1037
          
	 * layer, it means the underlyin device no longer supports

        

        

          1038
          
	 * barrier I/O. Warn loudly and turn off barriers.

          1038
          
	 * barrier I/O. Warn loudly and turn off barriers.

        

        

          1039
          
	 */

          1039
          
	 */

        

          
            

              1040
              
	if ((l->l_mp->m_flags & XFS_MOUNT_BARRIER) && !XFS_BUF_ISORDERED(bp)) {


              1040
              
	if (bp->b_flags & _XFS_BARRIER_FAILED) {

            

            

              
              

              1041
              
		bp->b_flags &= ~_XFS_BARRIER_FAILED;

            

        

          1041
          
		l->l_mp->m_flags &= ~XFS_MOUNT_BARRIER;

          1042
          
		l->l_mp->m_flags &= ~XFS_MOUNT_BARRIER;

        

        

          1042
          
		xfs_fs_cmn_err(CE_WARN, l->l_mp,

          1043
          
		xfs_fs_cmn_err(CE_WARN, l->l_mp,

        

        

          1043
          
				"xlog_iodone: Barriers are no longer supported"

          1044
          
				"xlog_iodone: Barriers are no longer supported"

        






  

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