devices: put ifdef around BLKPBSZGET

BLKPBSZGET is not defined before kernel version 2.6.32
(e.g. rhel5)

diff --git a/lib/device/dev-io.c b/lib/device/dev-io.c
index 8a9ed5c7335212c598ddf65df4356b4f5aefb99a..dd65c3d2ebc54692053786dd372864a108856555 100644 (file)
--- a/lib/device/dev-io.c
+++ b/lib/device/dev-io.c
@@ -200,6 +200,7 @@ int dev_get_direct_block_sizes(struct device *dev, unsigned int *physical_block_
                do_close = 1;
        }
 
+#ifdef BLKPBSZGET /* not defined before kernel version 2.6.32 (e.g. rhel5) */
        /*
         * BLKPBSZGET from kernel comment for blk_queue_physical_block_size:
         * "the lowest possible sector size that the hardware can operate on
@@ -209,6 +210,7 @@ int dev_get_direct_block_sizes(struct device *dev, unsigned int *physical_block_
                stack;
                pbs = 0;
        }
+#endif
 
        /*
         * BLKSSZGET from kernel comment for blk_queue_logical_block_size: