diff options
| author | John Groves <john@groves.net> | 2026-03-28 00:05:21 +0300 |
|---|---|---|
| committer | Ira Weiny <ira.weiny@intel.com> | 2026-03-30 16:20:48 +0300 |
| commit | 2ae624d5a555d47a735fb3f4d850402859a4db77 (patch) | |
| tree | 1e307a9aedcc0ed49c2e7d0374f7f309412fc207 | |
| parent | eec38f5d86d27535509c99f02ccc642ceb0c3e2a (diff) | |
| download | linux-2ae624d5a555d47a735fb3f4d850402859a4db77.tar.xz | |
dax: export dax_dev_get()
famfs needs to look up a dax_device by dev_t when resolving fmap
entries that reference character dax devices.
Reviewed-by: Dave Jiang <dave.jiang@intel.com>
Reviewed-by: Jonathan Cameron <jonathan.cameron@huawei.com>
Signed-off-by: John Groves <john@groves.net>
Link: https://patch.msgid.link/0100019d311daab5-bb212f0b-4e05-4668-bf53-d76fab56be68-000000@email.amazonses.com
Signed-off-by: Ira Weiny <ira.weiny@intel.com>
| -rw-r--r-- | drivers/dax/super.c | 3 | ||||
| -rw-r--r-- | include/linux/dax.h | 1 |
2 files changed, 3 insertions, 1 deletions
diff --git a/drivers/dax/super.c b/drivers/dax/super.c index d4ab60c406bf..25cf99dd9360 100644 --- a/drivers/dax/super.c +++ b/drivers/dax/super.c @@ -521,7 +521,7 @@ static int dax_set(struct inode *inode, void *data) return 0; } -static struct dax_device *dax_dev_get(dev_t devt) +struct dax_device *dax_dev_get(dev_t devt) { struct dax_device *dax_dev; struct inode *inode; @@ -544,6 +544,7 @@ static struct dax_device *dax_dev_get(dev_t devt) return dax_dev; } +EXPORT_SYMBOL_GPL(dax_dev_get); struct dax_device *alloc_dax(void *private, const struct dax_operations *ops) { diff --git a/include/linux/dax.h b/include/linux/dax.h index a85e270bfb3c..9ef95b136bb8 100644 --- a/include/linux/dax.h +++ b/include/linux/dax.h @@ -54,6 +54,7 @@ struct dax_device *alloc_dax(void *private, const struct dax_operations *ops); void *dax_holder(struct dax_device *dax_dev); void put_dax(struct dax_device *dax_dev); void kill_dax(struct dax_device *dax_dev); +struct dax_device *dax_dev_get(dev_t devt); void dax_write_cache(struct dax_device *dax_dev, bool wc); bool dax_write_cache_enabled(struct dax_device *dax_dev); bool dax_synchronous(struct dax_device *dax_dev); |