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dm: switch to using blk_queue_write_cache()

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Signed-off-by: Jens Axboe <axboe@fb.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
This commit is contained in:
Jens Axboe 2016-03-30 10:14:14 -06:00
parent 84b4ff9ef2
commit 519a7e16f9
1 changed files with 4 additions and 4 deletions
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8
drivers/md/dm-table.c
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@ -1506,7 +1506,7 @@ static bool dm_table_supports_discards(struct dm_table *t)
void dm_table_set_restrictions(struct dm_table *t, struct request_queue *q, void dm_table_set_restrictions(struct dm_table *t, struct request_queue *q,
struct queue_limits *limits) struct queue_limits *limits)
{ {
unsigned flush = 0; bool wc = false, fua = false;
/* /*
* Copy table's limits to the DM device's request_queue * Copy table's limits to the DM device's request_queue
@ -1519,11 +1519,11 @@ void dm_table_set_restrictions(struct dm_table *t, struct request_queue *q,
queue_flag_set_unlocked(QUEUE_FLAG_DISCARD, q); queue_flag_set_unlocked(QUEUE_FLAG_DISCARD, q);
if (dm_table_supports_flush(t, REQ_FLUSH)) { if (dm_table_supports_flush(t, REQ_FLUSH)) {
flush |= REQ_FLUSH; wc = true;
if (dm_table_supports_flush(t, REQ_FUA)) if (dm_table_supports_flush(t, REQ_FUA))
flush |= REQ_FUA; fua = true;
} }
blk_queue_flush(q, flush); blk_queue_write_cache(q, wc, fua);
if (!dm_table_discard_zeroes_data(t)) if (!dm_table_discard_zeroes_data(t))
q->limits.discard_zeroes_data = 0; q->limits.discard_zeroes_data = 0;