[PATCH 12/23] libblkid: use pre-processor to optimize out code

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Signed-off-by: Sami Kerola <kerolasa@xxxxxx>
---
 libblkid/src/superblocks/zfs.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/libblkid/src/superblocks/zfs.c b/libblkid/src/superblocks/zfs.c
index 6ffa24d..088d110 100644
--- a/libblkid/src/superblocks/zfs.c
+++ b/libblkid/src/superblocks/zfs.c
@@ -156,7 +156,6 @@ static void zfs_extract_guid_name(blkid_probe pr, loff_t offset)
 	}
 }
 
-#define zdebug(fmt, ...)	do {} while(0)
 /*#define zdebug(fmt, a...)	fprintf(stderr, fmt, ##a)*/
 
 /* ZFS has 128x1kB host-endian root blocks, stored in 2 areas at the start
@@ -172,7 +171,9 @@ static int probe_zfs(blkid_probe pr,
 	int tried;
 	int found;
 
+#ifdef zdebug
 	zdebug("probe_zfs\n");
+#endif
 	/* Look for at least 4 uberblocks to ensure a positive match */
 	for (tried = found = 0, offset = VDEV_LABEL_UBERBLOCK;
 	     tried < ZFS_TRIES && found < ZFS_WANT;
@@ -196,9 +197,10 @@ static int probe_zfs(blkid_probe pr,
 			ub_offset = offset;
 			found++;
 		}
-
+#ifdef zdebug
 		zdebug("probe_zfs: found %s-endian uberblock at %llu\n",
 		       swab_endian ? "big" : "little", offset >> 10);
+#endif
 	}
 
 	if (found < 4)
-- 
2.1.1

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