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| author | Bart Van Assche | 2017-04-27 19:11:23 +0200 |
|---|---|---|
| committer | Mike Snitzer | 2017-04-27 23:08:44 +0200 |
| commit | 7e0d574f2683a2346c978613a72ff07afc89b17a (patch) | |
| tree | f1b83fd5151b6f364b01b25950b174914205acc4 /drivers/md/dm-mpath.c | |
| parent | dm mpath: verify __pg_init_all_paths locking assumptions at runtime (diff) | |
| download | kernel-qcow2-linux-7e0d574f2683a2346c978613a72ff07afc89b17a.tar.gz kernel-qcow2-linux-7e0d574f2683a2346c978613a72ff07afc89b17a.tar.xz kernel-qcow2-linux-7e0d574f2683a2346c978613a72ff07afc89b17a.zip | |
dm: introduce enum dm_queue_mode to cleanup related code
Introduce an enumeration type for the queue mode. This patch does
not change any functionality but makes the DM code easier to read.
Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com>
Reviewed-by: Hannes Reinecke <hare@suse.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Diffstat (limited to 'drivers/md/dm-mpath.c')
| -rw-r--r-- | drivers/md/dm-mpath.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/md/dm-mpath.c b/drivers/md/dm-mpath.c index 730ec0be1afa..8336332bd61f 100644 --- a/drivers/md/dm-mpath.c +++ b/drivers/md/dm-mpath.c @@ -90,7 +90,7 @@ struct multipath { atomic_t pg_init_in_progress; /* Only one pg_init allowed at once */ atomic_t pg_init_count; /* Number of times pg_init called */ - unsigned queue_mode; + enum dm_queue_mode queue_mode; struct mutex work_mutex; struct work_struct trigger_event; @@ -1700,6 +1700,9 @@ static void multipath_status(struct dm_target *ti, status_type_t type, case DM_TYPE_MQ_REQUEST_BASED: DMEMIT("queue_mode mq "); break; + default: + WARN_ON_ONCE(true); + break; } } } |