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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 <axboe@fb.com>
This commit is contained in:
Jens Axboe
2016-04-13 13:33:19 -06:00
parent c875a7093f
commit c888a8f95a
8 changed files with 32 additions and 28 deletions
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3
drivers/md/raid5-cache.c
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@ -1188,6 +1188,7 @@ ioerr:
int r5l_init_log(struct r5conf *conf, struct md_rdev *rdev)
{
struct request_queue *q = bdev_get_queue(rdev->bdev);
struct r5l_log *log;
if (PAGE_SIZE != 4096)
@ -1197,7 +1198,7 @@ int r5l_init_log(struct r5conf *conf, struct md_rdev *rdev)
return -ENOMEM;
log->rdev = rdev;
log->need_cache_flush = (rdev->bdev->bd_disk->queue->flush_flags != 0);
log->need_cache_flush = test_bit(QUEUE_FLAG_WC, &q->queue_flags) != 0;
log->uuid_checksum = crc32c_le(~0, rdev->mddev->uuid,
sizeof(rdev->mddev->uuid));