diff options
| -rw-r--r-- | block/blk-core.c | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/block/blk-core.c b/block/blk-core.c index 9321767470dc..c644aac498ef 100644 --- a/block/blk-core.c +++ b/block/blk-core.c @@ -744,12 +744,16 @@ void submit_bio_noacct(struct bio *bio) * Filter flush bio's early so that bio based drivers without flush * support don't have to worry about them. */ - if (op_is_flush(bio->bi_opf) && - !test_bit(QUEUE_FLAG_WC, &q->queue_flags)) { - bio->bi_opf &= ~(REQ_PREFLUSH | REQ_FUA); - if (!bio_sectors(bio)) { - status = BLK_STS_OK; + if (op_is_flush(bio->bi_opf)) { + if (WARN_ON_ONCE(bio_op(bio) != REQ_OP_WRITE && + bio_op(bio) != REQ_OP_ZONE_APPEND)) goto end_io; + if (!test_bit(QUEUE_FLAG_WC, &q->queue_flags)) { + bio->bi_opf &= ~(REQ_PREFLUSH | REQ_FUA); + if (!bio_sectors(bio)) { + status = BLK_STS_OK; + goto end_io; + } } } |