[PATCH] block/genhd: Change some numerals into macros

[namei . unix]

Rename the numerals in the diskstats_show() into the macros.

Cc: Jens Axboe <axboe@xxxxxxxxx>
Signed-off-by: Liu Yuan <tailai.ly@xxxxxxxxxx>
---
 block/genhd.c |   16 ++++++++--------
 1 files changed, 8 insertions(+), 8 deletions(-)

diff --git a/block/genhd.c b/block/genhd.c
index af9e7f8..00c102a 100644
--- a/block/genhd.c
+++ b/block/genhd.c
@@ -1164,14 +1164,14 @@ static int diskstats_show(struct seq_file *seqf, void *v)
 			   "%u %lu %lu %llu %u %u %u %u\n",
 			   MAJOR(part_devt(hd)), MINOR(part_devt(hd)),
 			   disk_name(gp, hd->partno, buf),
-			   part_stat_read(hd, ios[0]),
-			   part_stat_read(hd, merges[0]),
-			   (unsigned long long)part_stat_read(hd, sectors[0]),
-			   jiffies_to_msecs(part_stat_read(hd, ticks[0])),
-			   part_stat_read(hd, ios[1]),
-			   part_stat_read(hd, merges[1]),
-			   (unsigned long long)part_stat_read(hd, sectors[1]),
-			   jiffies_to_msecs(part_stat_read(hd, ticks[1])),
+			   part_stat_read(hd, ios[READ]),
+			   part_stat_read(hd, merges[READ]),
+			   (unsigned long long)part_stat_read(hd, sectors[READ]),
+			   jiffies_to_msecs(part_stat_read(hd, ticks[READ])),
+			   part_stat_read(hd, ios[WRITE]),
+			   part_stat_read(hd, merges[WRITE]),
+			   (unsigned long long)part_stat_read(hd, sectors[WRITE]),
+			   jiffies_to_msecs(part_stat_read(hd, ticks[WRITE])),
 			   part_in_flight(hd),
 			   jiffies_to_msecs(part_stat_read(hd, io_ticks)),
 			   jiffies_to_msecs(part_stat_read(hd, time_in_queue))
-- 
1.7.0.4

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