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block: kill off q->flush_flags

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Now that we converted everything to the newer block write cache
interface, kill off the queue flush_flags and queueable flush
entries.

Signed-off-by: Jens Axboe <[email protected]>
This commit is contained in:
Jens Axboe 2016-04-13 13:33:19 -06:00
commit c888a8f95a
8 changed files with 32 additions and 28 deletions
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6
drivers/target/target_core_iblock.c
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@ -687,10 +687,10 @@ iblock_execute_rw(struct se_cmd *cmd, struct scatterlist *sgl, u32 sgl_nents,
* Force writethrough using WRITE_FUA if a volatile write cache
* is not enabled, or if initiator set the Force Unit Access bit.
*/
if (q->flush_flags & REQ_FUA) {
if (test_bit(QUEUE_FLAG_FUA, &q->queue_flags)) {
if (cmd->se_cmd_flags & SCF_FUA)
rw = WRITE_FUA;
else if (!(q->flush_flags & REQ_FLUSH))
else if (!test_bit(QUEUE_FLAG_WC, &q->queue_flags))
rw = WRITE_FUA;
else
rw = WRITE;
@ -836,7 +836,7 @@ static bool iblock_get_write_cache(struct se_device *dev)
struct block_device *bd = ib_dev->ibd_bd;
struct request_queue *q = bdev_get_queue(bd);
return q->flush_flags & REQ_FLUSH;
return test_bit(QUEUE_FLAG_WC, &q->queue_flags);
}
static const struct target_backend_ops iblock_ops = {