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block: submit_bio_wait() conversions

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It was being open coded in a few places.

Signed-off-by: Kent Overstreet <[email protected]>
Cc: Jens Axboe <[email protected]>
Cc: Joern Engel <[email protected]>
Cc: Prasad Joshi <[email protected]>
Cc: Neil Brown <[email protected]>
Cc: Chris Mason <[email protected]>
Acked-by: NeilBrown <[email protected]>
This commit is contained in:
Kent Overstreet 2013-11-23 22:33:32 -08:00
commit 33879d4512
8 changed files with 24 additions and 118 deletions
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19
block/blk-flush.c
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@ -502,15 +502,6 @@ void blk_abort_flushes(struct request_queue *q)
}
}
static void bio_end_flush(struct bio *bio, int err)
{
if (err)
clear_bit(BIO_UPTODATE, &bio->bi_flags);
if (bio->bi_private)
complete(bio->bi_private);
bio_put(bio);
}
/**
* blkdev_issue_flush - queue a flush
* @bdev: blockdev to issue flush for
@ -526,7 +517,6 @@ static void bio_end_flush(struct bio *bio, int err)
int blkdev_issue_flush(struct block_device *bdev, gfp_t gfp_mask,
sector_t *error_sector)
{
DECLARE_COMPLETION_ONSTACK(wait);
struct request_queue *q;
struct bio *bio;
int ret = 0;
@ -548,13 +538,9 @@ int blkdev_issue_flush(struct block_device *bdev, gfp_t gfp_mask,
return -ENXIO;
bio = bio_alloc(gfp_mask, 0);
bio->bi_end_io = bio_end_flush;
bio->bi_bdev = bdev;
bio->bi_private = &wait;
bio_get(bio);
submit_bio(WRITE_FLUSH, bio);
wait_for_completion_io(&wait);
ret = submit_bio_wait(WRITE_FLUSH, bio);
/*
* The driver must store the error location in ->bi_sector, if
@ -564,9 +550,6 @@ int blkdev_issue_flush(struct block_device *bdev, gfp_t gfp_mask,
if (error_sector)
*error_sector = bio->bi_sector;
if (!bio_flagged(bio, BIO_UPTODATE))
ret = -EIO;
bio_put(bio);
return ret;
}