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authorMike Snitzer <snitzer@redhat.com>2014-07-08 15:55:09 (GMT)
committerMike Snitzer <snitzer@redhat.com>2014-08-01 16:30:31 (GMT)
commit6afbc01d75c0266d7da32e2ec1f54d579a35703d (patch)
tree38e4a407005087bd95f87bb7ab69e2608fa602d0 /drivers/md
parent97e7cdf12ba324b599d404172c5899185ef2bbde (diff)
downloadlinux-6afbc01d75c0266d7da32e2ec1f54d579a35703d.tar.xz
dm mpath: eliminate pg_ready() wrapper
pg_ready() is not comprehensive in its logic and only serves to obfuscate code. Replace pg_ready() with the appropriate logic in multipath_map(). Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Diffstat (limited to 'drivers/md')
-rw-r--r--drivers/md/dm-mpath.c6
1 files changed, 2 insertions, 4 deletions
diff --git a/drivers/md/dm-mpath.c b/drivers/md/dm-mpath.c
index f4167b0..833d7e7 100644
--- a/drivers/md/dm-mpath.c
+++ b/drivers/md/dm-mpath.c
@@ -373,8 +373,6 @@ static int __must_push_back(struct multipath *m)
dm_noflush_suspending(m->ti)));
}
-#define pg_ready(m) (!(m)->queue_io && !(m)->pg_init_required)
-
/*
* Map cloned requests
*/
@@ -402,11 +400,11 @@ static int multipath_map(struct dm_target *ti, struct request *clone,
if (!__must_push_back(m))
r = -EIO; /* Failed */
goto out_unlock;
- }
- if (!pg_ready(m)) {
+ } else if (m->queue_io || m->pg_init_required) {
__pg_init_all_paths(m);
goto out_unlock;
}
+
if (set_mapinfo(m, map_context) < 0)
/* ENOMEM, requeue */
goto out_unlock;