dm raid1: report flush errors separately in status

Report flush errors as 'F' instead of 'D' for log and mirror devices.

Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>

1 files changed, 4 insertions, 2 deletions

diff --git a/drivers/md/dm-raid1.c b/drivers/md/dm-raid1.c
index 751660b0c574..85c8704c67bb 100644
--- a/drivers/md/dm-raid1.c
+++ b/drivers/md/dm-raid1.c
@@ -35,6 +35,7 @@ static DECLARE_WAIT_QUEUE_HEAD(_kmirrord_recovery_stopped);
  *---------------------------------------------------------------*/
 enum dm_raid1_error {
         DM_RAID1_WRITE_ERROR,
+        DM_RAID1_FLUSH_ERROR,
         DM_RAID1_SYNC_ERROR,
         DM_RAID1_READ_ERROR
 };
@@ -264,7 +265,7 @@ static int mirror_flush(struct dm_target *ti)
                 for (i = 0; i < ms->nr_mirrors; i++)
                         if (test_bit(i, &error_bits))
                                 fail_mirror(ms->mirror + i,
-                                            DM_RAID1_WRITE_ERROR);
+                                            DM_RAID1_FLUSH_ERROR);
                 return -EIO;
         }
 
@@ -1288,7 +1289,8 @@ static char device_status_char(struct mirror *m)
         if (!atomic_read(&(m->error_count)))
                 return 'A';
 
-        return (test_bit(DM_RAID1_WRITE_ERROR, &(m->error_type))) ? 'D' :
+        return (test_bit(DM_RAID1_FLUSH_ERROR, &(m->error_type))) ? 'F' :
+                (test_bit(DM_RAID1_WRITE_ERROR, &(m->error_type))) ? 'D' :
                 (test_bit(DM_RAID1_SYNC_ERROR, &(m->error_type))) ? 'S' :
                 (test_bit(DM_RAID1_READ_ERROR, &(m->error_type))) ? 'R' : 'U';
 }