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| author | Tejun Heo <tj@kernel.org> | 2010-09-03 11:56:17 +0200 |
|---|---|---|
| committer | Jens Axboe <jaxboe@fusionio.com> | 2010-09-10 12:35:37 +0200 |
| commit | d391a2dda2f1c993f094bdb3a8a342c5e0546553 (patch) | |
| tree | 315b4d8431db05b96d578e2d7183081b91fa4e84 /block/blk-flush.c | |
| parent | 04ccc65cd1f57aee861708e08cd2272c5a0d088c (diff) | |
| download | lwn-d391a2dda2f1c993f094bdb3a8a342c5e0546553.tar.gz lwn-d391a2dda2f1c993f094bdb3a8a342c5e0546553.zip | |
block: use REQ_FLUSH in blkdev_issue_flush()
Update blkdev_issue_flush() to use new REQ_FLUSH interface.
Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: Christoph Hellwig <hch@infradead.org>
Signed-off-by: Jens Axboe <jaxboe@fusionio.com>
Diffstat (limited to 'block/blk-flush.c')
| -rw-r--r-- | block/blk-flush.c | 17 |
1 files changed, 6 insertions, 11 deletions
diff --git a/block/blk-flush.c b/block/blk-flush.c index 7d1fc982e78f..62b7df9bca9d 100644 --- a/block/blk-flush.c +++ b/block/blk-flush.c @@ -191,13 +191,10 @@ struct request *blk_do_flush(struct request_queue *q, struct request *rq) return blk_flush_complete_seq(q, skip, 0); } -static void bio_end_empty_barrier(struct bio *bio, int err) +static void bio_end_flush(struct bio *bio, int err) { - if (err) { - if (err == -EOPNOTSUPP) - set_bit(BIO_EOPNOTSUPP, &bio->bi_flags); + if (err) clear_bit(BIO_UPTODATE, &bio->bi_flags); - } if (bio->bi_private) complete(bio->bi_private); bio_put(bio); @@ -235,19 +232,19 @@ int blkdev_issue_flush(struct block_device *bdev, gfp_t gfp_mask, * some block devices may not have their queue correctly set up here * (e.g. loop device without a backing file) and so issuing a flush * here will panic. Ensure there is a request function before issuing - * the barrier. + * the flush. */ if (!q->make_request_fn) return -ENXIO; bio = bio_alloc(gfp_mask, 0); - bio->bi_end_io = bio_end_empty_barrier; + bio->bi_end_io = bio_end_flush; bio->bi_bdev = bdev; if (test_bit(BLKDEV_WAIT, &flags)) bio->bi_private = &wait; bio_get(bio); - submit_bio(WRITE_BARRIER, bio); + submit_bio(WRITE_FLUSH, bio); if (test_bit(BLKDEV_WAIT, &flags)) { wait_for_completion(&wait); /* @@ -259,9 +256,7 @@ int blkdev_issue_flush(struct block_device *bdev, gfp_t gfp_mask, *error_sector = bio->bi_sector; } - if (bio_flagged(bio, BIO_EOPNOTSUPP)) - ret = -EOPNOTSUPP; - else if (!bio_flagged(bio, BIO_UPTODATE)) + if (!bio_flagged(bio, BIO_UPTODATE)) ret = -EIO; bio_put(bio); |