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| author | Kiyoshi Ueda <k-ueda@ct.jp.nec.com> | 2009-06-22 10:12:36 +0100 |
|---|---|---|
| committer | Alasdair G Kergon <agk@redhat.com> | 2009-06-22 10:12:36 +0100 |
| commit | 5d67aa2366ccb8257d103d0b43df855605c3c086 (patch) | |
| tree | 1d03f2e89ef47773a757f05b17741b8cbe47e882 /drivers/md/dm-table.c | |
| parent | e6ee8c0b767540f59e20da3ced282601db8aa502 (diff) | |
| download | blackbird-op-linux-5d67aa2366ccb8257d103d0b43df855605c3c086.tar.gz blackbird-op-linux-5d67aa2366ccb8257d103d0b43df855605c3c086.zip | |
dm: do not set QUEUE_ORDERED_DRAIN if request based
Request-based dm doesn't have barrier support yet.
So we need to set QUEUE_ORDERED_DRAIN only for bio-based dm.
Since the device type is decided at the first table loading time,
the flag set is deferred until then.
Signed-off-by: Kiyoshi Ueda <k-ueda@ct.jp.nec.com>
Signed-off-by: Jun'ichi Nomura <j-nomura@ce.jp.nec.com>
Acked-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
Diffstat (limited to 'drivers/md/dm-table.c')
| -rw-r--r-- | drivers/md/dm-table.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/md/dm-table.c b/drivers/md/dm-table.c index aaeb82ed2852..4899ebe767c8 100644 --- a/drivers/md/dm-table.c +++ b/drivers/md/dm-table.c @@ -830,6 +830,11 @@ unsigned dm_table_get_type(struct dm_table *t) return t->type; } +bool dm_table_bio_based(struct dm_table *t) +{ + return dm_table_get_type(t) == DM_TYPE_BIO_BASED; +} + bool dm_table_request_based(struct dm_table *t) { return dm_table_get_type(t) == DM_TYPE_REQUEST_BASED; |
