[PATCH] dm: map and endio symbolic return codes

Update existing targets to use the new symbols for return values from target
map and end_io functions.

There is no effect on behaviour.

Test results:
Done build test without errors.

Signed-off-by: Kiyoshi Ueda <k-ueda@ct.jp.nec.com>
Signed-off-by: Jun'ichi Nomura <j-nomura@ce.jp.nec.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
Cc: dm-devel@redhat.com
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

1 files changed, 4 insertions, 4 deletions

diff --git a/drivers/md/dm-raid1.c b/drivers/md/dm-raid1.c
index fc8cbb168e3e..3b3f4c9c3f09 100644
--- a/drivers/md/dm-raid1.c
+++ b/drivers/md/dm-raid1.c
@@ -1137,7 +1137,7 @@ static int mirror_map(struct dm_target *ti, struct bio *bio,
 
         if (rw == WRITE) {
                 queue_bio(ms, bio, rw);
-                return 0;
+                return DM_MAPIO_SUBMITTED;
         }
 
         r = ms->rh.log->type->in_sync(ms->rh.log,
@@ -1146,7 +1146,7 @@ static int mirror_map(struct dm_target *ti, struct bio *bio,
                 return r;
 
         if (r == -EWOULDBLOCK)  /* FIXME: ugly */
-                r = 0;
+                r = DM_MAPIO_SUBMITTED;
 
         /*
          * We don't want to fast track a recovery just for a read
@@ -1159,7 +1159,7 @@ static int mirror_map(struct dm_target *ti, struct bio *bio,
         if (!r) {
                 /* Pass this io over to the daemon */
                 queue_bio(ms, bio, rw);
-                return 0;
+                return DM_MAPIO_SUBMITTED;
         }
 
         m = choose_mirror(ms, bio->bi_sector);
@@ -1167,7 +1167,7 @@ static int mirror_map(struct dm_target *ti, struct bio *bio,
                 return -EIO;
 
         map_bio(ms, m, bio);
-        return 1;
+        return DM_MAPIO_REMAPPED;
 }
 
 static int mirror_end_io(struct dm_target *ti, struct bio *bio,