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xen/blkback: Report VBD_WSECT (wr_sect) properly.
We did not increment the amount of sectors written to disk b/c we tested for the == WRITE which is incorrect - as the operations are more of WRITE_FLUSH, WRITE_ODIRECT. This patch fixes it by doing a & WRITE check. CC: stable@kernel.org Reported-by: Andy Burns <xen.lists@burns.me.uk> Suggested-by: Ian Campbell <Ian.Campbell@citrix.com> Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
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@ -776,7 +776,7 @@ static int dispatch_rw_block_io(struct xen_blkif *blkif,
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if (operation == READ)
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blkif->st_rd_sect += preq.nr_sects;
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else if (operation == WRITE || operation == WRITE_FLUSH)
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else if (operation & WRITE)
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blkif->st_wr_sect += preq.nr_sects;
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return 0;
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