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| author | Gustavo Padovan <gustavo.padovan@collabora.com> | 2018-07-06 13:34:13 -0300 |
|---|---|---|
| committer | Gustavo Padovan <gustavo.padovan@collabora.com> | 2018-07-06 13:34:13 -0300 |
| commit | e22e953189f7b3a3bfc7efb511d2b1d1454adde5 (patch) | |
| tree | 87e56e966e1f676f2c9389c41aa5c37969f757f1 /drivers/dax/super.c | |
| parent | a012024571d98e2e4bf29a9168fb7ddc44b7ab86 (diff) | |
| parent | 4da1d4c751c9b1b713c13043bad7c4d27cd1418c (diff) | |
| download | linux-e22e953189f7b3a3bfc7efb511d2b1d1454adde5.tar.bz2 | |
Merge drm-upstream/drm-next into drm-misc-next
Pull in the malidp writeback implementation for further work on writeback in drm-misc-next.
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.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", |