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authorJohn Groves <john@groves.net>2026-03-27 21:05:21 +0000
committerIra Weiny <ira.weiny@intel.com>2026-03-30 08:20:48 -0500
commit2ae624d5a555d47a735fb3f4d850402859a4db77 (patch)
tree1e307a9aedcc0ed49c2e7d0374f7f309412fc207 /include/linux
parenteec38f5d86d27535509c99f02ccc642ceb0c3e2a (diff)
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>
Diffstat (limited to 'include/linux')
-rw-r--r--include/linux/dax.h1
1 files changed, 1 insertions, 0 deletions
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);