[PATCH 1/2] super1: replace hard-coded values with bit definitions

From: Gioh Kim
Date: Wed Mar 29 2017 - 05:41:10 EST


Some hard-coded values for disk status are replaced
with bit definitions.

Signed-off-by: Gioh Kim <gi-oh.kim@xxxxxxxxxxxxxxxx>
---
super1.c | 7 ++++---
1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/super1.c b/super1.c
index f3520ac..e8b9f61 100644
--- a/super1.c
+++ b/super1.c
@@ -1010,7 +1010,7 @@ static void getinfo_super1(struct supertype *st, struct mdinfo *info, char *map)
info->disk.state = 0; /* spare: not active, not sync, not faulty */
break;
case MD_DISK_ROLE_FAULTY:
- info->disk.state = 1; /* faulty */
+ info->disk.state = (1 << MD_DISK_FAULTY); /* faulty */
break;
case MD_DISK_ROLE_JOURNAL:
info->disk.state = (1 << MD_DISK_JOURNAL);
@@ -1503,11 +1503,12 @@ static int add_to_super1(struct supertype *st, mdu_disk_info_t *dk,
}

dk_state = dk->state & ~(1<<MD_DISK_FAILFAST);
- if ((dk_state & 6) == 6) /* active, sync */
+ if ((dk_state & (1<<MD_DISK_ACTIVE)) &&
+ (dk_state & (1<<MD_DISK_SYNC)))/* active, sync */
*rp = __cpu_to_le16(dk->raid_disk);
else if (dk_state & (1<<MD_DISK_JOURNAL))
*rp = MD_DISK_ROLE_JOURNAL;
- else if ((dk_state & ~2) == 0) /* active or idle -> spare */
+ else if ((dk_state & ~(1<<MD_DISK_ACTIVE)) == 0) /* active or idle -> spare */
*rp = MD_DISK_ROLE_SPARE;
else
*rp = MD_DISK_ROLE_FAULTY;
--
2.5.0