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| author | Dave Airlie <airlied@redhat.com> | 2018-07-04 10:27:12 +1000 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2018-07-04 10:27:12 +1000 |
| commit | f29135ee4e0d4e01911ed569f731bfdb841cea6d (patch) | |
| tree | e72d49a2f677dd069c3a673522cf785548148f71 /drivers/dax/super.c | |
| parent | eab976693153b9854bfa83d131374748f6ca4280 (diff) | |
| parent | 021c91791a5e7e85c567452f1be3e4c2c6cb6063 (diff) | |
Merge v4.18-rc3 into drm-next
Two requests have come in for a backmerge,
and I've got some pull reqs on rc2, so this
just makes sense.
Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'drivers/dax/super.c')
| -rw-r--r-- | drivers/dax/super.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/dax/super.c b/drivers/dax/super.c index 903d9c473749..45276abf03aa 100644 --- a/drivers/dax/super.c +++ b/drivers/dax/super.c @@ -86,6 +86,7 @@ bool __bdev_dax_supported(struct block_device *bdev, int blocksize) { struct dax_device *dax_dev; bool dax_enabled = false; + struct request_queue *q; pgoff_t pgoff; int err, id; void *kaddr; @@ -99,6 +100,13 @@ bool __bdev_dax_supported(struct block_device *bdev, int blocksize) return false; } + q = bdev_get_queue(bdev); + if (!q || !blk_queue_dax(q)) { + pr_debug("%s: error: request queue doesn't support dax\n", + bdevname(bdev, buf)); + return false; + } + err = bdev_dax_pgoff(bdev, 0, PAGE_SIZE, &pgoff); if (err) { pr_debug("%s: error: unaligned partition for dax\n", |