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dm mpath: eliminate pg_ready() wrapper

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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>
This commit is contained in:
Mike Snitzer 2014-07-08 11:55:09 -04:00
parent 97e7cdf12b
commit 6afbc01d75
1 changed files with 2 additions and 4 deletions
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6
drivers/md/dm-mpath.c
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@ -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;