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| author | Christoph Hellwig <hch@lst.de> | 2020-03-27 09:30:12 +0100 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2020-03-27 10:23:44 -0600 |
| commit | f01b411f41f91fc3196eae4317cf8b4d872830a6 (patch) | |
| tree | 2648343bfa04a56b112c7589ddbc355c8b42ebfb /block | |
| parent | 3d745ea5b095a3985129e162900b7e6c22518a9d (diff) | |
| download | lwn-f01b411f41f91fc3196eae4317cf8b4d872830a6.tar.gz lwn-f01b411f41f91fc3196eae4317cf8b4d872830a6.zip | |
Revert "blkdev: check for valid request queue before issuing flush"
This reverts commit f10d9f617a65905c556c3b37c9b9646ae7d04ed7.
We can't have queues without a make_request_fn any more (and the
loop device uses blk-mq these days anyway..).
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'block')
| -rw-r--r-- | block/blk-flush.c | 9 |
1 files changed, 0 insertions, 9 deletions
diff --git a/block/blk-flush.c b/block/blk-flush.c index 843d25683691..c7f396e3d5e2 100644 --- a/block/blk-flush.c +++ b/block/blk-flush.c @@ -454,15 +454,6 @@ int blkdev_issue_flush(struct block_device *bdev, gfp_t gfp_mask, if (!q) return -ENXIO; - /* - * 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 flush. - */ - if (!q->make_request_fn) - return -ENXIO; - bio = bio_alloc(gfp_mask, 0); bio_set_dev(bio, bdev); bio->bi_opf = REQ_OP_WRITE | REQ_PREFLUSH; |