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-rw-r--r--include/linux/dax.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/include/linux/dax.h b/include/linux/dax.h
index 1f6b607..73fca1b 100644
--- a/include/linux/dax.h
+++ b/include/linux/dax.h
@@ -16,7 +16,7 @@ struct dax_operations {
*/
long (*direct_access)(struct dax_device *, pgoff_t, long,
void **, pfn_t *);
- /* copy_from_iter: dax-driver override for default copy_from_iter */
+ /* copy_from_iter: required operation for fs-dax direct-i/o */
size_t (*copy_from_iter)(struct dax_device *, pgoff_t, void *, size_t,
struct iov_iter *);
/* flush: optional driver-specific cache management after writes */
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