diff options
Diffstat (limited to 'block')
| -rw-r--r-- | block/blk-barrier.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/block/blk-barrier.c b/block/blk-barrier.c index 6901eedeffc..55c5f1fc4f1 100644 --- a/block/blk-barrier.c +++ b/block/blk-barrier.c @@ -259,8 +259,11 @@ int blk_do_ordered(struct request_queue *q, struct request **rqp) static void bio_end_empty_barrier(struct bio *bio, int err) { - if (err) + if (err) { + if (err == -EOPNOTSUPP) + set_bit(BIO_EOPNOTSUPP, &bio->bi_flags); clear_bit(BIO_UPTODATE, &bio->bi_flags); + } complete(bio->bi_private); } @@ -309,7 +312,9 @@ int blkdev_issue_flush(struct block_device *bdev, sector_t *error_sector) *error_sector = bio->bi_sector; ret = 0; - if (!bio_flagged(bio, BIO_UPTODATE)) + if (bio_flagged(bio, BIO_EOPNOTSUPP)) + ret = -EOPNOTSUPP; + else if (!bio_flagged(bio, BIO_UPTODATE)) ret = -EIO; bio_put(bio); |